WO2012147830A1 - ゴム組成物及び空気入りタイヤ - Google Patents
ゴム組成物及び空気入りタイヤ Download PDFInfo
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- WO2012147830A1 WO2012147830A1 PCT/JP2012/061171 JP2012061171W WO2012147830A1 WO 2012147830 A1 WO2012147830 A1 WO 2012147830A1 JP 2012061171 W JP2012061171 W JP 2012061171W WO 2012147830 A1 WO2012147830 A1 WO 2012147830A1
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- RAOYTBVFGGKPKG-UHFFFAOYSA-N n-methyl-n-(2-triethoxysilylethyl)acetamide Chemical compound CCO[Si](OCC)(OCC)CCN(C)C(C)=O RAOYTBVFGGKPKG-UHFFFAOYSA-N 0.000 description 1
- YSVWSPIZAAWEBR-UHFFFAOYSA-N n-methyl-n-(2-triethoxysilylethyl)propanamide Chemical compound CCO[Si](OCC)(OCC)CCN(C)C(=O)CC YSVWSPIZAAWEBR-UHFFFAOYSA-N 0.000 description 1
- ZPMDCFTYXXAWKD-UHFFFAOYSA-N n-methyl-n-(2-trimethoxysilylethyl)acetamide Chemical compound CO[Si](OC)(OC)CCN(C)C(C)=O ZPMDCFTYXXAWKD-UHFFFAOYSA-N 0.000 description 1
- QRVUJGHCYUDDGB-UHFFFAOYSA-N n-methyl-n-(2-trimethoxysilylethyl)propanamide Chemical compound CCC(=O)N(C)CC[Si](OC)(OC)OC QRVUJGHCYUDDGB-UHFFFAOYSA-N 0.000 description 1
- WZFBEHLZOVJRGY-UHFFFAOYSA-N n-methyl-n-(3-triethoxysilylpropyl)acetamide Chemical compound CCO[Si](OCC)(OCC)CCCN(C)C(C)=O WZFBEHLZOVJRGY-UHFFFAOYSA-N 0.000 description 1
- RSOQGAOPMJGECD-UHFFFAOYSA-N n-methyl-n-(3-trimethoxysilylpropyl)acetamide Chemical compound CO[Si](OC)(OC)CCCN(C)C(C)=O RSOQGAOPMJGECD-UHFFFAOYSA-N 0.000 description 1
- WRGOOHULDXJZRK-UHFFFAOYSA-N n-methyl-n-(triethoxysilylmethyl)acetamide Chemical compound CCO[Si](OCC)(OCC)CN(C)C(C)=O WRGOOHULDXJZRK-UHFFFAOYSA-N 0.000 description 1
- KTFLSJWHWYSJNF-UHFFFAOYSA-N n-methyl-n-(triethoxysilylmethyl)propanamide Chemical compound CCO[Si](OCC)(OCC)CN(C)C(=O)CC KTFLSJWHWYSJNF-UHFFFAOYSA-N 0.000 description 1
- LDTKKHAKHFHXAJ-UHFFFAOYSA-N n-methyl-n-(trimethoxysilylmethyl)acetamide Chemical compound CO[Si](OC)(OC)CN(C)C(C)=O LDTKKHAKHFHXAJ-UHFFFAOYSA-N 0.000 description 1
- KUGXDAILFIENCV-UHFFFAOYSA-N n-methyl-n-(trimethoxysilylmethyl)propanamide Chemical compound CCC(=O)N(C)C[Si](OC)(OC)OC KUGXDAILFIENCV-UHFFFAOYSA-N 0.000 description 1
- 125000004957 naphthylene group Chemical group 0.000 description 1
- 150000005480 nicotinamides Chemical class 0.000 description 1
- NCYVXEGFNDZQCU-UHFFFAOYSA-N nikethamide Chemical compound CCN(CC)C(=O)C1=CC=CN=C1 NCYVXEGFNDZQCU-UHFFFAOYSA-N 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- CAZVNFHXWQYGPD-UHFFFAOYSA-N oxolane;potassium Chemical compound [K].C1CCOC1 CAZVNFHXWQYGPD-UHFFFAOYSA-N 0.000 description 1
- LGOPTUPXVVNJFH-UHFFFAOYSA-N pentadecanethioic s-acid Chemical compound CCCCCCCCCCCCCCC(O)=S LGOPTUPXVVNJFH-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- KKIJHJPBDKXFFZ-UHFFFAOYSA-N phenyl-[4-(1h-pyrazol-5-yl)phenyl]methanone Chemical compound C=1C=C(C=2NN=CC=2)C=CC=1C(=O)C1=CC=CC=C1 KKIJHJPBDKXFFZ-UHFFFAOYSA-N 0.000 description 1
- NHKJPPKXDNZFBJ-UHFFFAOYSA-N phenyllithium Chemical compound [Li]C1=CC=CC=C1 NHKJPPKXDNZFBJ-UHFFFAOYSA-N 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- NAYYNDKKHOIIOD-UHFFFAOYSA-N phthalamide Chemical class NC(=O)C1=CC=CC=C1C(N)=O NAYYNDKKHOIIOD-UHFFFAOYSA-N 0.000 description 1
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical class C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 125000005353 silylalkyl group Chemical group 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- QLUMLEDLZDMGDW-UHFFFAOYSA-N sodium;1h-naphthalen-1-ide Chemical compound [Na+].[C-]1=CC=CC2=CC=CC=C21 QLUMLEDLZDMGDW-UHFFFAOYSA-N 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- QAZLUNIWYYOJPC-UHFFFAOYSA-M sulfenamide Chemical compound [Cl-].COC1=C(C)C=[N+]2C3=NC4=CC=C(OC)C=C4N3SCC2=C1C QAZLUNIWYYOJPC-UHFFFAOYSA-M 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 238000010059 sulfur vulcanization Methods 0.000 description 1
- 229940052367 sulfur,colloidal Drugs 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- MUTNCGKQJGXKEM-UHFFFAOYSA-N tamibarotene Chemical compound C=1C=C2C(C)(C)CCC(C)(C)C2=CC=1NC(=O)C1=CC=C(C(O)=O)C=C1 MUTNCGKQJGXKEM-UHFFFAOYSA-N 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- OPTBBAGXQYOFTL-UHFFFAOYSA-N tetraethylphthalamide Chemical compound CCN(CC)C(=O)C1=CC=CC=C1C(=O)N(CC)CC OPTBBAGXQYOFTL-UHFFFAOYSA-N 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 239000006234 thermal black Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- IAQRGUVFOMOMEM-ONEGZZNKSA-N trans-but-2-ene Chemical compound C\C=C\C IAQRGUVFOMOMEM-ONEGZZNKSA-N 0.000 description 1
- 125000005389 trialkylsiloxy group Chemical group 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- YFRLQYJXUZRYDN-UHFFFAOYSA-K trichloro(methyl)stannane Chemical compound C[Sn](Cl)(Cl)Cl YFRLQYJXUZRYDN-UHFFFAOYSA-K 0.000 description 1
- XHSMJSNXQUKFBB-UHFFFAOYSA-N triethoxy(3-morpholin-4-ylpropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN1CCOCC1 XHSMJSNXQUKFBB-UHFFFAOYSA-N 0.000 description 1
- CQERQNNEKFKVFU-UHFFFAOYSA-N triethoxy(3-piperazin-1-ylpropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN1CCNCC1 CQERQNNEKFKVFU-UHFFFAOYSA-N 0.000 description 1
- DENFJSAFJTVPJR-UHFFFAOYSA-N triethoxy(ethyl)silane Chemical compound CCO[Si](CC)(OCC)OCC DENFJSAFJTVPJR-UHFFFAOYSA-N 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- FJXRKYLOOJTENP-UHFFFAOYSA-N triethoxy-[2-(2-triethoxysilylethyldisulfanyl)ethyl]silane Chemical compound CCO[Si](OCC)(OCC)CCSSCC[Si](OCC)(OCC)OCC FJXRKYLOOJTENP-UHFFFAOYSA-N 0.000 description 1
- ASAOXGWSIOQTDI-UHFFFAOYSA-N triethoxy-[2-(2-triethoxysilylethyltetrasulfanyl)ethyl]silane Chemical compound CCO[Si](OCC)(OCC)CCSSSSCC[Si](OCC)(OCC)OCC ASAOXGWSIOQTDI-UHFFFAOYSA-N 0.000 description 1
- RWJUTPORTOUFDY-UHFFFAOYSA-N triethoxy-[2-(oxiran-2-ylmethoxy)ethyl]silane Chemical compound CCO[Si](OCC)(OCC)CCOCC1CO1 RWJUTPORTOUFDY-UHFFFAOYSA-N 0.000 description 1
- QZUTWXSGNMUZBM-UHFFFAOYSA-N triethoxy-[2-(oxolan-2-ylmethoxy)ethyl]silane Chemical compound CCO[Si](OCC)(OCC)CCOCC1CCCO1 QZUTWXSGNMUZBM-UHFFFAOYSA-N 0.000 description 1
- MISUCTGXHWAUER-UHFFFAOYSA-N triethoxy-[3-(2-ethoxyethoxy)propyl]silane Chemical compound CCOCCOCCC[Si](OCC)(OCC)OCC MISUCTGXHWAUER-UHFFFAOYSA-N 0.000 description 1
- VQFCQIBNDODVOM-UHFFFAOYSA-N triethoxy-[3-(2-methoxyethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCCOC VQFCQIBNDODVOM-UHFFFAOYSA-N 0.000 description 1
- FBBATURSCRIBHN-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyldisulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSCCC[Si](OCC)(OCC)OCC FBBATURSCRIBHN-UHFFFAOYSA-N 0.000 description 1
- NSAGBLCZIZOQLH-UHFFFAOYSA-N triethoxy-[3-(ethoxymethoxy)propyl]silane Chemical compound CCOCOCCC[Si](OCC)(OCC)OCC NSAGBLCZIZOQLH-UHFFFAOYSA-N 0.000 description 1
- OMHOCEUKGBUUBP-UHFFFAOYSA-N triethoxy-[3-(methoxymethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCOC OMHOCEUKGBUUBP-UHFFFAOYSA-N 0.000 description 1
- VNMQOCYXFWAWMZ-UHFFFAOYSA-N triethoxy-[3-(oxolan-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CCCO1 VNMQOCYXFWAWMZ-UHFFFAOYSA-N 0.000 description 1
- RXJKFRMDXUJTEX-UHFFFAOYSA-N triethylphosphine Chemical compound CCP(CC)CC RXJKFRMDXUJTEX-UHFFFAOYSA-N 0.000 description 1
- YJDOIAGBSYPPCK-UHFFFAOYSA-N trimethoxy(3-morpholin-4-ylpropyl)silane Chemical compound CO[Si](OC)(OC)CCCN1CCOCC1 YJDOIAGBSYPPCK-UHFFFAOYSA-N 0.000 description 1
- HXYMWKLNCJPAKW-UHFFFAOYSA-N trimethoxy(3-piperazin-1-ylpropyl)silane Chemical compound CO[Si](OC)(OC)CCCN1CCNCC1 HXYMWKLNCJPAKW-UHFFFAOYSA-N 0.000 description 1
- VHXAXVOGSZEZKH-UHFFFAOYSA-N trimethoxy(3-propan-2-yloxypropyl)silane Chemical compound CO[Si](OC)(OC)CCCOC(C)C VHXAXVOGSZEZKH-UHFFFAOYSA-N 0.000 description 1
- NLSFXUALGZKXNV-UHFFFAOYSA-N trimethoxy(3-propoxypropyl)silane Chemical compound CCCOCCC[Si](OC)(OC)OC NLSFXUALGZKXNV-UHFFFAOYSA-N 0.000 description 1
- ZNXDCSVNCSSUNB-UHFFFAOYSA-N trimethoxy-[2-(oxiran-2-ylmethoxy)ethyl]silane Chemical compound CO[Si](OC)(OC)CCOCC1CO1 ZNXDCSVNCSSUNB-UHFFFAOYSA-N 0.000 description 1
- IWUSCXAORAAWIO-UHFFFAOYSA-N trimethoxy-[2-(oxolan-2-ylmethoxy)ethyl]silane Chemical compound CO[Si](OC)(OC)CCOCC1CCCO1 IWUSCXAORAAWIO-UHFFFAOYSA-N 0.000 description 1
- BJTBHSSNDGKAJO-UHFFFAOYSA-N trimethoxy-[3-(2-methoxyethoxy)propyl]silane Chemical compound COCCOCCC[Si](OC)(OC)OC BJTBHSSNDGKAJO-UHFFFAOYSA-N 0.000 description 1
- YFFNIIAVGWYOQJ-UHFFFAOYSA-N trimethoxy-[3-(methoxymethoxy)propyl]silane Chemical compound COCOCCC[Si](OC)(OC)OC YFFNIIAVGWYOQJ-UHFFFAOYSA-N 0.000 description 1
- SAKLXMOLLSWVHU-UHFFFAOYSA-N trimethoxy-[3-[(2-methylpropan-2-yl)oxy]propyl]silane Chemical compound CO[Si](OC)(OC)CCCOC(C)(C)C SAKLXMOLLSWVHU-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- 239000005051 trimethylchlorosilane Substances 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0016—Compositions of the tread
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/22—Incorporating nitrogen atoms into the molecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/25—Incorporating silicon atoms into the molecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/30—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule
- C08C19/34—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with oxygen or oxygen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/30—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule
- C08C19/42—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups
- C08C19/44—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups of polymers containing metal atoms exclusively at one or both ends of the skeleton
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/10—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl-aromatic monomers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/06—Sulfur
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
- C08K5/47—Thiazoles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L15/00—Compositions of rubber derivatives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
- C08K5/40—Thiurams, i.e. compounds containing groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/548—Silicon-containing compounds containing sulfur
Definitions
- the present invention relates to a rubber composition and a pneumatic tire produced using the rubber composition.
- a rubber composition for an automobile tire a rubber composition containing a conjugated diene polymer such as polybutadiene or butadiene-styrene copolymer and a filler such as carbon black or silica is used.
- Patent Document 1 As a method for improving fuel economy, for example, in Patent Document 1, a method using a diene rubber modified with an organosilicon compound containing an amino group and an alkoxy group is used. In Patent Document 2, a specific compound having a mercapto group is used. A method using a silane coupling agent has been proposed. However, in recent years, further improvement in fuel efficiency has been demanded. In addition, the performance required for rubber compositions for automobile tires includes wet grip performance and wear resistance, but these performances generally have a contradiction to low fuel consumption, and each performance is It was difficult to obtain a high dimension and good balance.
- patent document 3 the method of mix
- An object of the present invention is to solve the above-mentioned problems and to provide a rubber composition that can improve fuel economy, wet grip performance, and wear resistance in a well-balanced manner, and a pneumatic tire using the same.
- the present invention contains a rubber component, silica and a compound represented by the following formula (1), and among 100% by mass of the rubber component, a structural unit based on a conjugated diene and a structural unit represented by the following formula (I)
- the present invention relates to a rubber composition in which the content of the conjugated diene polymer modified at one end is 5% by mass or more and the silica content is 5 to 150 parts by mass with respect to 100 parts by mass of the rubber component.
- X 1 , X 2 and X 3 each independently represent a group represented by the following formula (Ia), a hydroxyl group, a hydrocarbyl group or a substituted hydrocarbyl group, and at least one of X 1 , X 2 and X 3 One is a group or a hydroxyl group represented by the following formula (Ia).
- R 1 and R 2 each independently represent a hydrocarbyl group having 1 to 6 carbon atoms, a substituted hydrocarbyl group having a carbon number of 1-6, a silyl group, or a substituted silyl group, R 1 and R 2 may be bonded to form a ring structure with the nitrogen atom.
- n represents an integer of 1 to 10
- R 11 , R 12 and R 13 each independently represents a hydrocarbyl group having 1 to 4 carbon atoms or a hydrocarbyloxy group having 1 to 4 carbon atoms. Wherein at least one of R 11 , R 12 and R 13 is a hydrocarbyloxy group, and A 1 represents a functional group having a nitrogen atom.
- p represents an integer of 0 or 1
- T represents a hydrocarbylene group having 1 to 20 carbon atoms or a substituted hydrocarbylene group having 1 to 20 carbon atoms
- a 2 represents nitrogen.
- a functional group having an atom is represented.
- R 21 represents a hydrogen atom, a hydrocarbyl group having 1 to 6 carbon atoms or a substituted hydrocarbyl group having 1 to 6 carbon atoms
- a 3 represents Represents an oxygen atom or —NR 22 — group (R 22 represents a hydrogen atom or a hydrocarbyl group having 1 to 10 carbon atoms)
- a 4 represents a functional group having a nitrogen atom and / or an oxygen atom.
- w represents an integer of 1 to 11
- a 5 represents a functional group having a nitrogen atom.
- E represents an alkylene group having 2 to 10 carbon atoms
- R 101 and R 102 are the same or different and each represents a monovalent organic group containing a nitrogen atom.
- R 1 and R 2 in formula (Ia) are preferably hydrocarbyl groups having 1 to 6 carbon atoms.
- Two of X 1 , X 2 and X 3 in the formula (I) are preferably a group or a hydroxyl group represented by the formula (Ia).
- a 1 in formula (II) is preferably a group represented by the following formula (IIa).
- R 14 and R 15 each independently have 1 to 6 carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- R 14 and R 15 may be bonded to form a ring structure with the nitrogen atom, and R 14 and R 15 may be the same group bonded to the nitrogen by a double bond.
- the group represented by the formula (III) is preferably a group represented by the following formula (IIIa).
- a compound having a group represented by the formula (III) is represented by a compound represented by the following formula (IIIa-1), a compound represented by the following formula (IIIa-2), and the following formula (IIIa-3):
- the compound is at least one compound selected from the group consisting of the following compounds.
- R 31 represents a hydrogen atom, a hydrocarbyl group having 1 to 10 carbon atoms, a substituted hydrocarbyl group having 1 to 10 carbon atoms, or a heterocycle having a nitrogen atom and / or an oxygen atom as a hetero atom.
- Each of R 32 and R 33 independently has 1 to 10 carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- R 32 and R 33 may be bonded to form a ring structure with the nitrogen atom, and R 32 and R 33 may be the same group bonded to the nitrogen by a double bond.
- e represents an integer of 0 to 10
- R 34 and R 35 each independently represents a hydrocarbyl group having 1 to 20 carbon atoms or a substituted hydrocarbyl group having 1 to 20 carbon atoms.
- R 36 represents a hydrocarbyl group having 1 to 20 carbon atoms or a substituted hydrocarbyl group having 1 to 20 carbon atoms.
- the compound having a group represented by the formula (III) is preferably a compound represented by the following formula (IIIb-1).
- R 37 represents a hydrogen atom, a hydrocarbyl group having 1 to 10 carbon atoms, a substituted hydrocarbyl group having 1 to 10 carbon atoms, or a heterocycle having a nitrogen atom and / or an oxygen atom as a hetero atom.
- R 38 and R 39 each independently have 1 to 10 carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- R 38 and R 39 may be bonded to form a ring structure together with the nitrogen atom, R 38 and R 39 may be the same group bonded to the nitrogen by a double bond, and T Represents a hydrocarbylene group having 1 to 20 carbon atoms or a substituted hydrocarbylene group having 1 to 20 carbon atoms.
- the compound represented by the formula (IIIb-1) is at least selected from the group consisting of a compound represented by the following formula (IIIb-1-1) and a compound represented by the following formula (IIIb-1-2):
- a single compound is preferred.
- r denotes an integer of 1 or 2
- Y 1 is a substituent on the benzene ring, represents a functional group having a nitrogen atom, if Y 1 is more, a plurality of Y 1 are the same But it can be different.
- s represents an integer of 1 or 2
- t represents an integer of 0 to 2
- Y 2 and Y 3 represent substituents on the benzene ring and represent a functional group having a nitrogen atom, If the Y 2 there is a plurality, Y 2 there are a plurality of, may be the same or different, if Y 3 is more, plural Y 3 may be the same or different.
- a 4 in the formula (IV) is preferably a group or a hydroxyl group represented by the following formula (IVa).
- R 23 and R 24 each independently have 1 to 6 carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- R 23 and R 24 may be bonded to form a ring structure together with a nitrogen atom, and R 23 and R 24 may be the same group bonded to nitrogen by a double bond.
- the silicon compound has a group represented by the following formula (VIII).
- R 41, R 42 and R 43 each independently carbon atoms hydrocarbyl group or a number of carbon atoms of 1 to 4 represent hydrocarbyl group of 1 to 4, R 41, R 42 and R At least one of 43 is a hydrocarbyloxy group.
- the silicon compound has a group represented by the following formula (Va). [Wherein, h represents an integer of 1 to 10, and R 44 , R 45 and R 46 each independently represents a hydrocarbyl group having 1 to 4 carbon atoms or a hydrocarbyloxy group having 1 to 4 carbon atoms. And at least one of R 44 , R 45 and R 46 is a hydrocarbyloxy group. ]
- the compound having a group represented by the formula (VII) is preferably a compound represented by the following formula (VII-1).
- z represents an integer of 0 to 10
- R 71 represents a hydrocarbyl group having 1 to 5 carbon atoms
- R 72 , R 73 , R 74 and R 75 each independently represent a hydrogen atom
- a hydrocarbyl group having 1 to 5 carbon atoms, a substituted hydrocarbyl group having 1 to 5 carbon atoms, or a hydrocarbyloxy group having 1 to 5 carbon atoms, and a plurality of R 72 and R 73 are present.
- R 72 and a plurality of R 73 may be the same or different, and R 76 and R 77 are each independently at least one selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom. atom represent good number of carbon atoms even if the groups 1-6 has, R 76 and R 77 may form a ring structure with a nitrogen atom bonded to, R 76 and R 77 is a nitrogen With double bond It may be the same group if. ]
- R 74 and R 75 in formula (VII-1) is preferably a hydrogen atom.
- the vinyl bond content of the conjugated diene polymer is preferably 10 mol% or more and 80 mol% or less, with the content of structural units based on the conjugated diene being 100 mol%.
- the rubber composition preferably contains natural rubber and / or butadiene rubber.
- Silica has a nitrogen adsorption specific surface area of preferably 40 to 400 m 2 / g.
- the content of the compound represented by the formula (1) with respect to 100 parts by mass of the rubber component is preferably 0.5 to 23 parts by mass.
- the rubber composition is preferably used as a tread rubber composition.
- the present invention also relates to a pneumatic tire produced using the rubber composition.
- the present invention since it is a rubber composition in which a specific conjugated diene polymer, silica, and a compound represented by the above formula (1) are blended, low fuel consumption, wet grip performance and wear resistance are obtained. Can provide a pneumatic tire with improved balance.
- the rubber composition of the present invention has a structural unit based on a conjugated diene and a structural unit represented by the following formula (I), a compound represented by the following formula (II), and represented by the following formula (III): A compound having a group, a compound represented by the following formula (IV), a silicon compound having a group represented by the following formula (V) and / or a group represented by the following formula (VI), and the following formula (VII): A conjugated diene polymer in which at least one end of the polymer is modified with at least one compound selected from the group consisting of compounds having a group represented by formula (I), silica, and the above formula (1). A compound.
- X 1 , X 2 and X 3 each independently represent a group represented by the following formula (Ia), a hydroxyl group, a hydrocarbyl group or a substituted hydrocarbyl group, and at least one of X 1 , X 2 and X 3 One is a group or a hydroxyl group represented by the following formula (Ia).
- R 1 and R 2 each independently represent a hydrocarbyl group having 1 to 6 carbon atoms, a substituted hydrocarbyl group having a carbon number of 1-6, a silyl group, or a substituted silyl group, R 1 and R 2 may be bonded to form a ring structure with the nitrogen atom.
- n represents an integer of 1 to 10
- R 11 , R 12 and R 13 each independently represents a hydrocarbyl group having 1 to 4 carbon atoms or a hydrocarbyloxy group having 1 to 4 carbon atoms. Wherein at least one of R 11 , R 12 and R 13 is a hydrocarbyloxy group, and A 1 represents a functional group having a nitrogen atom.
- p represents an integer of 0 or 1
- T represents a hydrocarbylene group having 1 to 20 carbon atoms or a substituted hydrocarbylene group having 1 to 20 carbon atoms
- a 2 represents nitrogen.
- a functional group having an atom is represented.
- R 21 represents a hydrogen atom, a hydrocarbyl group having 1 to 6 carbon atoms or a substituted hydrocarbyl group having 1 to 6 carbon atoms
- a 3 represents Represents an oxygen atom or —NR 22 — group (R 22 represents a hydrogen atom or a hydrocarbyl group having 1 to 10 carbon atoms)
- a 4 represents a functional group having a nitrogen atom and / or an oxygen atom.
- w represents an integer of 1 to 11
- a 5 represents a functional group having a nitrogen atom.
- conjugated dienes based on conjugated dienes include 1,3-butadiene, isoprene, 1,3-pentadiene, 2,3-dimethyl-1,3-butadiene, 1,3-hexadiene, and the like. These may be one type or two or more types. From the viewpoint of availability, 1,3-butadiene and isoprene are preferred.
- X 1 , X 2 and X 3 in formula (I) of the structural unit represented by formula (I) each independently represent a group represented by formula (Ia), a hydroxyl group, a hydrocarbyl group or a substituted hydrocarbyl group.
- X 1 , X 2 and X 3 are a group represented by the formula (Ia) or a hydroxyl group.
- R 1 and R 2 of formula (Ia) represent each independently, a hydrocarbyl group having 1 to 6 carbon atoms, a substituted hydrocarbyl group having a carbon number of 1-6, a silyl group, or a substituted silyl group, R 1 And R 2 may be bonded together to form a ring structure together with the nitrogen atom.
- a hydrocarbyl group represents a monovalent hydrocarbon residue.
- the hydrocarbon residue represents a group obtained by removing hydrogen from a hydrocarbon.
- a substituted hydrocarbyl group represents a group in which one or more hydrogen atoms of a monovalent hydrocarbon residue are substituted with a substituent.
- the hydrocarbyloxy group represents a group in which a hydrogen atom of a hydroxyl group is substituted with a hydrocarbyl group, and the substituted hydrocarbyloxy group represents a group in which one or more hydrogen atoms of the hydrocarbyloxy group are substituted with a substituent.
- the hydrocarbylene group represents a divalent hydrocarbon residue.
- the substituted hydrocarbylene group represents a group in which one or more hydrogen atoms of a divalent hydrocarbon residue are substituted with a substituent.
- the substituted silyl group represents a group in which one or more hydrogen atoms of the silyl group are substituted with a substituent.
- Examples of the hydrocarbyl group having 1 to 6 carbon atoms in R 1 and R 2 include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, tert-butyl group, n- Examples thereof include alkyl groups such as pentyl group, neopentyl group, isopentyl group and n-hexyl group; cycloalkyl groups such as cyclohexyl group; phenyl groups and the like.
- the substituted hydrocarbyl group having 1 to 6 carbon atoms in R 1 and R 2 is at least one group selected from the group consisting of a group having a nitrogen atom, a group having an oxygen atom, and a group having a silicon atom.
- the substituted hydrocarbyl group which has as a substituent can be mention
- Examples of the group having a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl Group, alkoxyalkyl group such as methoxyethyl group, ethoxymethyl group, ethoxyethyl group and the like, and groups having a silicon atom as a substituent include trialkylsilylalkyl groups such as trimethylsilylmethyl group, etc. I can give you.
- Examples of the substituted silyl group for R 1 and R 2 include trialkylsilyl groups such as trimethylsilyl group, triethylsilyl group, and t-butyldimethylsilyl group.
- the group to which R 1 and R 2 are bonded is a divalent group having 1 to 12 carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- Group for example, an alkylene group such as a trimethylene group, a tetramethylene group, a pentamethylene group, or a hexamethylene group; an oxydialkylene group such as an oxydiethylene group or an oxydipropylene group; —CH 2 CH 2 —NH—CH 2 — And a nitrogen-containing group such as a group represented by —CH 2 CH 2 —N ⁇ CH—.
- the group to which R 1 and R 2 are bonded is preferably a nitrogen-containing group, a group represented by —CH 2 CH 2 —NH—CH 2 —, a group represented by —CH 2 CH 2 —N ⁇ CH—. Is more preferable.
- the hydrocarbyl group of R 1 and R 2 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, more preferably a methyl group, an ethyl group, an n-propyl group, or an n-butyl group. And the group n-butyl is particularly preferred.
- the substituted hydrocarbyl group for R 1 and R 2 is preferably an alkoxyalkyl group, more preferably an alkoxyalkyl group having 1 to 4 carbon atoms.
- the substituted silyl group for R 1 and R 2 is preferably a trialkylsilyl group, and more preferably a trimethylsilyl group.
- R 1 and R 2 are preferably an alkyl group, an alkoxyalkyl group, a substituted silyl group, or a nitrogen-containing group to which R 1 and R 2 are bonded, more preferably an alkyl group, still more preferably carbon. It is an alkyl group having 1 to 4 atoms, and more preferably a methyl group, an ethyl group, an n-propyl group, or an n-butyl group.
- Examples of the group represented by the formula (Ia) include an acyclic amino group and a cyclic amino group.
- Examples of the acyclic amino group include dimethylamino group, diethylamino group, di (n-propyl) amino group, di (isopropyl) amino group, di (n-butyl) amino group, di (sec-butyl) amino group, di ( dialkylamino groups such as tert-butyl) amino group, di (neopentyl) amino group, ethylmethylamino group; di (methoxymethyl) amino group, di (methoxyethyl) amino group, di (ethoxymethyl) amino group, di ( And di (alkoxyalkyl) amino groups such as ethoxyethyl) amino group; di (trialkylsilyl) amino groups such as di (trimethylsilyl) amino group and di (t-butyldimethylsilyl) amino group.
- Examples of the cyclic amino group include 1-pyrrolidinyl group, 1-piperidino group, 1-hexamethyleneimino group, 1-heptamethyleneimino group, 1-octamethyleneimino group, 1-decamethyleneimino group, 1-dodecamethyleneimino group. And 1-polymethyleneimino group such as a group.
- Examples of the cyclic amino group include 1-imidazolyl group, 4,5-dihydro-1-imidazolyl group, 1-imidazolidinyl group, 1-piperazinyl group, morpholino group and the like.
- the group represented by the formula (Ia) is preferably an acyclic amino group, more preferably a dialkylamino group, and still more preferably a carbon atom number of 1 to 1, in view of economy and availability.
- Examples of the hydrocarbyl group of X 1 to X 3 in the formula (I) include alkyl groups such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, and tert-butyl group. be able to.
- Examples of the substituted hydrocarbyl group include alkoxyalkyl groups such as a methoxymethyl group, an ethoxymethyl group, a methoxyethyl group, and an ethoxyethyl group.
- the hydrocarbyl group of X 1 to X 3 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, and still more preferably a methyl group or an ethyl group.
- the substituted hydrocarbyl group of X 1 to X 3 is preferably an alkoxyalkyl group, more preferably an alkoxyalkyl group having 1 to 4 carbon atoms.
- the hydrocarbyl group and substituted hydrocarbyl group represented by X 1 to X 3 are preferably an alkyl group or an alkoxyalkyl group, more preferably an alkyl group having 1 to 4 carbon atoms or an alkyl group having 1 to 4 carbon atoms.
- At least one of X 1 , X 2 and X 3 in the formula (I) is a group or a hydroxyl group represented by the formula (Ia).
- X 1 , X 2 and X 3 are a group or a hydroxyl group represented by the formula (Ia), more preferably two of X 1 , X 2 and X 3 are represented by the formula (Ia ) Or a hydroxyl group.
- At least one of X 1 , X 2, and X 3 is a hydroxyl group from the viewpoint that low fuel consumption, wet grip performance, and wear resistance can be obtained in a high-order and well-balanced manner, and X 1 , X 2 and It is more preferable that two or more of X 3 are hydroxyl groups, and it is still more preferable that two of X 1 , X 2 and X 3 are hydroxyl groups.
- X 1 , X 2 and X 3 are acyclic amino groups or hydroxyl groups.
- a structural unit is preferred.
- X 1 , X 2 and X 3 are acyclic amino groups
- bis (dialkylamino) alkylvinylsilane units are preferred, bis (dimethylamino) methylvinylsilane units, bis (diethylamino) methylvinylsilane units, Bis (di (n-propyl) amino) methylvinylsilane units and bis (di (n-butyl) amino) methylvinylsilane units are more preferred.
- X 1 , X 2 and X 3 are hydroxyl groups
- a dihydroxyalkylvinylsilane unit is preferable, and a dihydroxymethylvinylsilane unit is more preferable.
- the content of the structural unit represented by the formula (I) in the conjugated diene polymer is preferably 0 per unit mass of the polymer from the viewpoint of improving fuel economy, wet grip performance and wear resistance in a balanced manner. It is 0.001 mmol / g polymer or more and 0.1 mmol / g polymer or less. More preferably, it is 0.002 mmol / g polymer or more and 0.07 mmol / g polymer or less. More preferably, it is 0.003 mmol / g polymer or more and 0.05 mmol / g polymer or less.
- At least one end of the polymer is modified with a specific compound (modifiers 1 to 5).
- a specific compound modifiers 1 to 5
- n represents an integer of 1 to 10
- R 11 , R 12 and R 13 each independently represents a hydrocarbyl group having 1 to 4 carbon atoms or a hydrocarbyloxy group having 1 to 4 carbon atoms.
- at least one of R 11 , R 12 and R 13 is a hydrocarbyloxy group
- a 1 represents a functional group having a nitrogen atom.
- R 11 , R 12 and R 13 in the formula (II) each independently represent a hydrocarbyl group having 1 to 4 carbon atoms or a hydrocarbyloxy group having 1 to 4 carbon atoms, and R 11 , R 12 and At least one of R 13 is a hydrocarbyloxy group.
- Examples of the hydrocarbyl group of R 11 , R 12 and R 13 include alkyl groups such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group and tert-butyl group. Can do.
- the hydrocarbyloxy group of R 11 , R 12 and R 13 is an alkoxy group such as a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, a sec-butoxy group or a t-butoxy group. Can give.
- the hydrocarbyl group of R 11 , R 12 and R 13 is preferably an alkyl group, more preferably an alkyl group having 1 to 3 carbon atoms, still more preferably a methyl group or an ethyl group.
- the hydrocarbyloxy group of R 11 , R 12 and R 13 is preferably an alkoxy group, more preferably an alkoxy group having 1 to 3 carbon atoms, and still more preferably a methoxy group, ethoxy group It is a group.
- R 11 , R 12 and R 13 are preferably at least two of R 11 , R 12 and R 13 are hydrocarbyloxy groups from the viewpoint of improving the fuel economy, wet grip performance and wear resistance in a balanced manner. More preferably, three of R 11 , R 12 and R 13 are hydrocarbyloxy groups.
- N in the formula (II) represents an integer of 1 to 10. From the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a well-balanced manner, it is preferably 3 or more, and from the viewpoint of improving economy, it is preferably 4 or less. Particularly preferred is 3.
- a 1 in the formula (II) is a functional group having a nitrogen atom, and examples thereof include an amino group, an isocyano group, a cyano group, a pyridyl group, a piperidyl group, a pyrazinyl group, and a morpholino group.
- a 1 is preferably a group represented by the following formula (IIa).
- R 14 and R 15 each independently have 1 to 6 carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- R 14 and R 15 may be bonded to form a ring structure with the nitrogen atom, and R 14 and R 15 may be the same group bonded to the nitrogen by a double bond.
- R 14 and R 15 in the formula (IIa) include a hydrocarbyl group having 1 to 6 carbon atoms, a substituted hydrocarbyl group having 1 to 6 carbon atoms, and a substituted silyl group.
- Examples of the hydrocarbyl group of R 14 and R 15 include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, tert-butyl group, n-pentyl group, neopentyl group, and isopentyl group. And an alkyl group such as n-hexyl group; a cycloalkyl group such as cyclohexyl group; a phenyl group and the like.
- the substituted hydrocarbyl group of R 14 and R 15 is a substituted hydrocarbyl group having at least one group selected from the group consisting of a group having a nitrogen atom, a group having an oxygen atom and a group having a silicon atom as a substituent.
- a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl Group, alkoxyalkyl group such as methoxyethyl group, ethoxymethyl group, ethoxyethyl group; alkylene oxide group such as epoxy group, tetrahydrofuranyl group; alkylene oxide alkyl group such as glycidyl group, tetrahydrofurfuryl group, etc.
- Examples of the group having a group having a silicon atom as a substituent include a trialkylsilylalkyl group such as a trimethylsilylmethyl group.
- the alkylene oxide group represents a monovalent group obtained by removing a hydrogen atom from a ring of a cyclic ether compound.
- the alkylene oxide alkyl group represents a group in which one or more hydrogen atoms of the alkyl group are substituted with an alkylene oxide group.
- Examples of the substituted silyl group of R 14 and R 15 include a trialkylsilyl group such as a trimethylsilyl group, a triethylsilyl group, and a t-butyldimethylsilyl group; a trialkoxysilyl group such as a trimethoxysilyl group.
- the group to which R 14 and R 15 are bonded is a divalent group having 2 to 12 carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- Group. for example, an alkylene group such as a trimethylene group, a tetramethylene group, a pentamethylene group, or a hexamethylene group; an oxydialkylene group such as an oxydiethylene group or an oxydipropylene group; —CH 2 CH 2 —NH—CH 2 — And a nitrogen-containing group such as a group represented by —CH 2 CH 2 —N ⁇ CH—.
- the group to which R 14 and R 15 are bonded is preferably a nitrogen-containing group, a group represented by —CH 2 CH 2 —NH—CH 2 —, a group represented by —CH 2 CH 2 —N ⁇ CH—. Is more preferable.
- the number of carbon atoms optionally having at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom Is a divalent group of 2 to 12.
- examples thereof include an ethylidene group, 1-methylpropylidene group, 1,3-dimethylbutylidene group, 1-methylethylidene group, 4-N, N-dimethylaminobenzylidene group.
- the hydrocarbyl group of R 14 and R 15 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, still more preferably a methyl group, an ethyl group, or an n-propyl group. N-butyl group, more preferably a methyl group or an ethyl group.
- the substituted hydrocarbyl group for R 14 and R 15 is preferably an alkoxyalkyl group, an alkylene oxide group, or an alkylene oxide alkyl group.
- the substituted silyl group for R 14 and R 15 is preferably a trialkylsilyl group or a trialkoxysilyl group, more preferably a trialkylsilyl group, still more preferably a trimethylsilyl group or a triethylsilyl group. .
- R 14 and R 15 are preferably a nitrogen-containing group, an alkyl group, an alkoxyalkyl group, an alkylene oxide group, an alkylene oxide alkyl group or a substituted silyl group to which R 14 and R 15 are bonded, and more preferably an alkyl group.
- Examples of the group represented by the formula (IIa) include an acyclic amino group and a cyclic amino group.
- Examples of the acyclic amino group include dimethylamino group, diethylamino group, di (n-propyl) amino group, di (isopropyl) amino group, di (n-butyl) amino group, di (sec-butyl) amino group, di ( dialkylamino groups such as tert-butyl) amino group, di (neopentyl) amino group, ethylmethylamino group; di (methoxymethyl) amino group, di (methoxyethyl) amino group, di (ethoxymethyl) amino group, di ( And di (alkoxyalkyl) amino groups such as ethoxyethyl) amino group; di (trialkylsilyl) amino groups such as di (trimethylsilyl) amino group and di (t-butyldimethylsilyl) amino group.
- di (alkylene oxide) amino groups such as di (epoxy) amino groups and di (tetrahydrofuranyl) amino groups
- di (alkylene oxide alkyl) amino groups such as di (glycidyl) amino groups and di (tetrahydrofurfuryl) amino groups
- ethylideneamino group 1-methylpropylideneamino group, 1,3-dimethylbutylideneamino group, 1-methylethylideneamino group, 4-N, N-dimethylaminobenzylideneamino group, and the like.
- the di (alkylene oxide) amino group represents an amino group in which two hydrogen atoms bonded to a nitrogen atom are substituted with two alkylene oxide groups
- the di (alkylene oxide alkyl) amino group Represents an amino group in which two hydrogen atoms bonded to a nitrogen atom are substituted with two alkylene oxide alkyl groups.
- Examples of the cyclic amino group include 1-pyrrolidinyl group, 1-piperidino group, 1-hexamethyleneimino group, 1-heptamethyleneimino group, 1-octamethyleneimino group, 1-decamethyleneimino group, 1-dodecamethyleneimino group. And 1-polymethyleneimino group such as a group.
- Examples of the cyclic amino group include 1-imidazolyl group, 4,5-dihydro-1-imidazolyl group, 1-imidazolidinyl group, 1-piperazinyl group, morpholino group and the like.
- the group represented by the formula (IIa) is preferably an acyclic amino group, more preferably a dialkyl, from the viewpoint of low fuel consumption, wet grip performance, wear resistance, long-term stability and availability of the compound.
- the formula (IIa) is a dialkylamino group, a di (alkoxyalkyl) amino group, a di (alkyleneoxide) amino group, a di (alkyleneoxidealkyl) amino group, a trialkylsilyl group.
- Examples thereof include compounds that are non-cyclic amino groups such as a group.
- [3- (dialkylamino) propyl] trialkoxysilane is preferred, [3- (dimethylamino) propyl] trimethoxysilane, [3- (diethylamino) propyl] trimethoxysilane, [3- (dimethylamino) propyl] triethoxysilane, [3- (Diethylamino) propyl] triethoxysilane is more preferred.
- the formula (IIa) is a 1-piperidino group, 1-hexamethyleneimino group, 1-imidazolyl group, 4,5-dihydro-1-imidazolyl group, 1-piperidino group, 1-hexamethyleneimino group, 1-imidazolyl group, 4,5-dihydro-1-imidazolyl group, Examples thereof include compounds that are cyclic amino groups such as piperazinyl group and morpholino group.
- Examples of the compound in which the formula (IIa) is a 1-piperidino group include 3- (1-piperidino) propyltrimethoxysilane, 3- (1-piperidino) propyltriethoxysilane, 3- (1-piperidino) propylmethyldimethoxysilane, 3- (1-piperidino) propylethyldimethoxysilane, 3- (1-piperidino) propylmethyldiethoxysilane, Examples thereof include 3- (1-piperidino) propylethyldiethoxysilane.
- Examples of the compound in which the formula (IIa) is a 1-hexamethyleneimino group include 3- (1-hexamethyleneimino) propyltrimethoxysilane, 3- (1-hexamethyleneimino) propyltriethoxysilane, 3- (1-hexamethyleneimino) propylmethyldimethoxysilane, 3- (1-hexamethyleneimino) propylethyldimethoxysilane, 3- (1-hexamethyleneimino) propylmethyldiethoxysilane, Examples thereof include 3- (1-hexamethyleneimino) propylethyldiethoxysilane.
- N- (3-trimethoxysilylpropyl) imidazole examples thereof include N- (3-triethoxysilylpropyl) imidazole.
- the compound formula (IIa) is a 4,5-dihydro-1-imidazolyl group, N- (3-trimethoxysilylpropyl) -4,5-dihydroimidazole, Examples thereof include N- (3-triethoxysilylpropyl) -4,5-dihydroimidazole.
- Examples of the compound in which the formula (IIa) is a 1-piperazinyl group include 3- (1-piperazinyl) propyltrimethoxysilane, 3- (1-piperazinyl) propyltriethoxysilane, 3- (1-piperazinyl) propylmethyldimethoxysilane, 3- (1-piperazinyl) propylethyldimethoxysilane, 3- (1-piperazinyl) propylmethyldiethoxysilane, 3- (1-piperazinyl) propylethyldiethoxysilane and the like can be mentioned.
- T represents a hydrocarbylene group having 1 to 20 carbon atoms or a substituted hydrocarbylene group having 1 to 20 carbon atoms.
- a 2 represents a functional group having a nitrogen atom, and examples thereof include an amino group, an isocyano group, a cyano group, a pyridyl group, a piperidyl group, a pyrazinyl group, and a morpholino group.
- Examples of the compound having a group represented by the formula (III) include a compound having a group represented by the following formula (IIIa) in which p in the formula (III) is 0 and A 2 is an amino group. it can.
- Examples of the compound having a group represented by the formula (IIIa) include carboxylic acid amide compounds such as formamide, acetamide, and propionamide. Moreover, cyclic compounds, such as imidazolidinone and its derivative (s), and lactams, can be mentioned.
- Examples of the compound having a group represented by the formula (IIIa) include a carboxylic acid amide compound represented by the following formula (IIIa-1).
- R 31 represents a hydrogen atom, a hydrocarbyl group having 1 to 10 carbon atoms, a substituted hydrocarbyl group having 1 to 10 carbon atoms, or a heterocycle having a nitrogen atom and / or an oxygen atom as a hetero atom.
- Each of R 32 and R 33 independently has 1 to 10 carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- R 32 and R 33 may be bonded to form a ring structure with the nitrogen atom, and R 32 and R 33 may be the same group bonded to the nitrogen by a double bond.
- hydrocarbyl group of R 31 examples include methyl groups, ethyl groups, n-propyl groups, isopropyl groups, n-butyl groups, sec-butyl groups, t-butyl groups and the like; phenyl groups, methylphenyl groups, ethylphenyl groups An aryl group such as a naphthyl group; and an aralkyl group such as a benzyl group.
- Examples of the substituted hydrocarbyl group of R 31 include a substituted hydrocarbyl group having as a substituent at least one group selected from the group consisting of a group having a nitrogen atom and a group having an oxygen atom.
- Examples of the group having a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl And alkoxyalkyl groups such as methoxyethyl group, ethoxymethyl group, and ethoxyethyl group.
- the heterocyclic group having a nitrogen atom and / or oxygen atom as a hetero atom of R 31 represents a heterocyclic compound residue containing a nitrogen atom and / or oxygen atom in the ring, and the group includes 2-pyridyl Group, 3-pyridyl group, 4-pyridyl group, 2-furyl group and the like.
- R 31 is preferably a hydrocarbyl group having 1 to 10 carbon atoms, a substituted hydrocarbyl group having 1 to 10 carbon atoms, more preferably an alkyl group having 1 to 4 carbon atoms, More preferred are a methyl group, an ethyl group, an n-propyl group, and an n-butyl group.
- R 32 and R 33 in formula (IIIa-1) include a hydrocarbyl group having 1 to 10 carbon atoms, a substituted hydrocarbyl group having 1 to 10 carbon atoms, and the like.
- the hydrocarbyl group of R 32 and R 33 include an alkyl group such as a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, a sec-butyl group, a t-butyl group; a phenyl group, a methylphenyl group Aryl groups such as ethylphenyl group and naphthyl group; and aralkyl groups such as benzyl group.
- Examples of the substituted hydrocarbyl group of R 32 and R 33 include a substituted hydrocarbyl group having as a substituent at least one group selected from the group consisting of a group having a nitrogen atom and a group having an oxygen atom.
- Examples of the group having a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl And alkoxyalkyl groups such as methoxyethyl group, ethoxymethyl group, and ethoxyethyl group.
- the group to which R 32 and R 33 are bonded is a divalent group having 2 to 20 carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- Group for example, an alkylene group such as a trimethylene group, a tetramethylene group, a pentamethylene group, or a hexamethylene group; an oxydialkylene group such as an oxydiethylene group or an oxydipropylene group; —CH 2 CH 2 —NH—CH 2 — And a nitrogen-containing group such as a group represented by —CH 2 CH 2 —N ⁇ CH—.
- the number of carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom and an oxygen atom is 2 to 12 divalent groups. Examples thereof include an ethylidene group, 1-methylpropylidene group, 1,3-dimethylbutylidene group, 1-methylethylidene group, 4-N, N-dimethylaminobenzylidene group.
- R 32 and R 33 are preferably a hydrocarbyl group, more preferably an alkyl group, still more preferably an alkyl group having 1 to 4 carbon atoms, and particularly preferably a methyl group, ethyl group Group, n-propyl group, n-butyl group.
- Examples of the carboxylic acid amide compound represented by the formula (IIIa-1) include formamide compounds such as formamide, N, N-dimethylformamide, N, N-diethylformamide; Acetamide, N, N-dimethylacetamide, N, N-diethylacetamide, aminoacetamide, N, N-dimethyl-N ′, N′-dimethylaminoacetamide, N, N-dimethylaminoacetamide, N-ethylaminoacetamide, N Acetamide compounds such as N, N-dimethyl-N′-ethylaminoacetamide, N, N-dimethylaminoacetamide, N-phenyldiacetamide; Propionamide compounds such as propionamide, N, N-dimethylpropionamide; Pyridylamide compounds such as 4-pyridylamide, N, N-dimethyl-4-pyridylamide; Benzamide, N, N-dimethylbenzamide, N ′
- Examples of the cyclic compound having a group represented by the formula (IIIa) include compounds represented by the following formula (IIIa-2) or the following formula (IIIa-3).
- e represents an integer of 0 to 10
- R 34 and R 35 each independently represents a hydrocarbyl group having 1 to 20 carbon atoms or a substituted hydrocarbyl group having 1 to 20 carbon atoms.
- f represents an integer of 0 to 10
- R 36 represents a hydrocarbyl group having 1 to 20 carbon atoms or a substituted hydrocarbyl group having 1 to 20 carbon atoms.
- R 34 , R 35 and R 36 in formula (IIIa-2) and formula (IIIa-3) are each independently a hydrocarbyl group having 1 to 20 carbon atoms or a substituted hydrocarbyl group having 1 to 20 carbon atoms. Represents.
- Examples of the hydrocarbyl group of R 34 , R 35 and R 36 include an alkyl group such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, t-butyl group; phenyl group, Examples thereof include aryl groups such as methylphenyl group, ethylphenyl group and naphthyl group; and aralkyl groups such as benzyl group.
- the substituted hydrocarbyl group of R 34 , R 35 and R 36 is a substituent having at least one group selected from the group consisting of a group having a nitrogen atom, a group having an oxygen atom and a group having a silicon atom as a substituent.
- Hydrocarbyl groups can be mentioned. Examples of the group having a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl Groups, methoxyethyl groups, ethoxymethyl groups, alkoxyalkyl groups such as ethoxyethyl groups; alkoxyaryl groups such as methoxyphenyl groups, ethoxyphenyl groups, and the like. , Trimethylsilylmethyl group, t-butyldimethylsilyloxymethyl group, trimethoxysilylpropyl group and the like.
- R 34 and R 35 in formula (IIIa-2) are preferably hydrocarbyl groups, more preferably alkyl groups, and still more preferably methyl groups.
- R 36 in formula (IIIa-3) is preferably a hydrocarbyl group, more preferably an alkyl group or an aryl group, still more preferably a methyl group or a phenyl group.
- E and f in the formula (IIIa-2) and the formula (IIIa-3) each represents an integer of 0 to 10. From the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a well-balanced manner, it is preferably 2 or more, and from the viewpoint of improving economy during production, it is preferably 7 or less.
- Examples of the compound represented by the formula (IIIa-2) include 1,3-dimethyl-2-imidazolidinone, 1,3-diethyl-2-imidazolidinone, 1,3-di (n-propyl) -2. -Mentioning 1,3-hydrocarbyl-substituted-2-imidazolidinones such as imidazolidinone, 1,3-di (t-butyl) -2-imidazolidinone, 1,3-diphenyl-2-imidazolidinone Can do.
- 1,3-substituted-2-imidazolidinone is preferred, 1,3-hydrocarbyl substituted-2-imidazolidinone is more preferred, and 1,3-dialkyl-2-imidazolidinone is more preferred. It is non.
- 1,3-dialkyl-2-imidazolidinone preferably 1,3-dimethyl-2-imidazolidinone, 1,3-diethyl-2-imidazolidinone, 1,3-di (n-propyl) ) -2-imidazolidinone, more preferably 1,3-dimethyl-2-imidazolidinone.
- Examples of the compound represented by the formula (IIIa-3) include ⁇ -propiolactam, N-methyl- ⁇ -propiolactam, N- (t-butyl) - ⁇ -propiolactam, N-phenyl- ⁇ -propiolactam, and the like.
- the compound represented by the formula (IIIa-3) is preferably a 2-pyrrolidone compound or an ⁇ -caprolactam compound, more preferably a 1-hydrocarbyl substituted-2-pyrrolidone or an N-hydrocarbyl substituted- ⁇ -caprolactam.
- Examples of the compound having a group represented by the formula (III) include a compound having a group represented by the following formula (IIIb) in which p in the formula (III) is 1 and A 2 is an amino group. it can.
- T represents a hydrocarbylene group having 1 to 20 carbon atoms or a substituted hydrocarbylene group having 1 to 20 carbon atoms.
- Examples of the compound having a group represented by the formula (IIIb) include benzaldehyde compounds, acetophenone compounds, and benzophenone compounds.
- Examples of the compound having a group represented by the formula (IIIb) include compounds represented by the following formula (IIIb-1).
- R 37 represents a hydrogen atom, a hydrocarbyl group having 1 to 10 carbon atoms, a substituted hydrocarbyl group having 1 to 10 carbon atoms, or a heterocycle having a nitrogen atom and / or an oxygen atom as a hetero atom.
- R 38 and R 39 each independently have 1 to 10 carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- R 38 and R 39 may be bonded to form a ring structure together with the nitrogen atom, R 38 and R 39 may be the same group bonded to the nitrogen by a double bond, and T Represents a hydrocarbylene group having 1 to 20 carbon atoms or a substituted hydrocarbylene group having 1 to 20 carbon atoms.
- Examples of the hydrocarbyl group of R 37 include methyl groups, ethyl groups, n-propyl groups, isopropyl groups, n-butyl groups, sec-butyl groups, t-butyl groups and the like alkyl groups; phenyl groups, methylphenyl groups, ethylphenyl groups An aryl group such as a naphthyl group; and an aralkyl group such as a benzyl group.
- Examples of the substituted hydrocarbyl group represented by R 37 include a substituted hydrocarbyl group having at least one group selected from the group consisting of a group having a nitrogen atom and a group having an oxygen atom as a substituent.
- Examples of the group having a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl And alkoxyalkyl groups such as methoxyethyl group, ethoxymethyl group, and ethoxyethyl group.
- the heterocyclic group having a nitrogen atom and / or oxygen atom as a hetero atom of R 37 represents a heterocyclic compound residue containing a nitrogen atom and / or oxygen atom in the ring, and the group includes 2-pyridyl Group, 3-pyridyl group, 4-pyridyl group, 2-furyl group and the like.
- R 37 is preferably a hydrogen atom, a hydrocarbyl group having 1 to 10 carbon atoms, or a substituted hydrocarbyl group having 1 to 10 carbon atoms.
- the hydrocarbyl group having 1 to 10 carbon atoms is preferably an alkyl group or phenyl group having 1 to 4 carbon atoms, more preferably a methyl group, an ethyl group, an n-propyl group, or an n-butyl group. Group, a phenyl group.
- the substituted hydrocarbyl group having 1 to 10 carbon atoms is preferably an aryl group having a nitrogen atom group as a substituent, more preferably a dialkylaminophenyl group or a 4-morpholinophenyl group. .
- R 38 and R 39 in formula (IIIb-1) include a hydrocarbyl group having 1 to 10 carbon atoms, a substituted hydrocarbyl group having 1 to 10 carbon atoms, and the like.
- Examples of the hydrocarbyl group of R 38 and R 39 include a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, a sec-butyl group, and a t-butyl group; a phenyl group, a methylphenyl group Aryl groups such as ethylphenyl group and naphthyl group; and aralkyl groups such as benzyl group.
- Examples of the substituted hydrocarbyl group for R 38 and R 39 include a substituted hydrocarbyl group having at least one group selected from the group consisting of a group having a nitrogen atom and a group having an oxygen atom as a substituent.
- Examples of the group having a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl And alkoxyalkyl groups such as methoxyethyl group, ethoxymethyl group, and ethoxyethyl group.
- the group to which R 38 and R 39 are bonded is a divalent group having 2 to 20 carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- Group for example, an alkylene group such as a trimethylene group, a tetramethylene group, a pentamethylene group, or a hexamethylene group; an oxydialkylene group such as an oxydiethylene group or an oxydipropylene group; —CH 2 CH 2 —NH—CH 2 — And a nitrogen-containing group such as a group represented by —CH 2 CH 2 —N ⁇ CH—.
- the number of carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom and an oxygen atom is 2 to 12 divalent groups. Examples thereof include an ethylidene group, 1-methylpropylidene group, 1,3-dimethylbutylidene group, 1-methylethylidene group, 4-N, N-dimethylaminobenzylidene group.
- R 38 and R 39 are preferably a hydrocarbyl group, more preferably an alkyl group, still more preferably an alkyl group having 1 to 4 carbon atoms, and particularly preferably a methyl group, ethyl group Group, n-propyl group, n-butyl group.
- hydrocarbylene group of T examples include alkylene groups such as methylene group, ethylene group, trimethylene group, tetramethylene group, pentamethylene group, hexamethylene group; phenylene group, methylphenylene group, ethylphenyllene group, naphthylene group, etc.
- An arylene group can be mentioned.
- Examples of the substituted hydrocarbylene group for T include a substituted hydrocarbylene group having as a substituent at least one group selected from the group consisting of a group having a nitrogen atom and a group having an oxygen atom.
- Examples of the group having a nitrogen atom as a substituent include dialkylaminoalkylene groups such as dimethylaminoethylene group and diethylaminoethylene group; and dialkylaminoarylene groups such as dimethylaminophenylene group and diethylaminophenylene group.
- Examples of the group having a group having an oxygen atom as a substituent include alkoxyalkylene groups such as a methoxymethylene group, a methoxyethylene group, an ethoxymethylene group, and an ethoxyethylene group.
- T is preferably a hydrocarbylene group, more preferably an arylene group, and still more preferably a phenylene group.
- Examples of the compound represented by the formula (IIIb-1) include dialkylamino-substituted benzaldehyde compounds such as 4-dimethylaminobenzaldehyde, 4-diethylaminobenzaldehyde, 3,5-bis (dihexylamino) -benzaldehyde; 4-dimethylaminoacetophenone, Dialkylamino-substituted acetophenone compounds such as 4-diethylaminoacetophenone; 4-morpholinoacetophenone, heterocyclic group-substituted acetophenone compounds such as 4′-imidazol-1-yl-acetophenone, 4-pyrazolylacetophenone; 4,4′-bis (dimethylamino) ) -Benzophenone, 4,4'-bis (diethylamino) -benzophenone, 4-dimethylaminobenzophenone, 4-diethylaminobenzophenone, 3-dimethylamin
- the compound represented by the formula (IIIb-1) is preferably a substituted acetophenone compound or a substituted benzophenone compound, represented by the following formula (IIIb-1-1) or the following formula (IIIb-1-2):
- Compounds can be mentioned.
- r denotes an integer of 1 or 2
- Y 1 is a substituent on the benzene ring, represents a functional group having a nitrogen atom, if Y 1 is more, a plurality of Y 1 are the same But it can be different.
- s represents an integer of 1 or 2
- t represents an integer of 0 to 2
- Y 2 and Y 3 represent substituents on the benzene ring and represent a functional group having a nitrogen atom, If the Y 2 there is a plurality, Y 2 there are a plurality of, may be the same or different, if Y 3 is more, plural Y 3 may be the same or different.
- Y 1 , Y 2 and Y 3 in formula (IIIb-1-1) and formula (IIIb-1-2) represent a functional group having a nitrogen atom, and are an amino group, isocyano group, cyano group, pyridyl group, piperidyl Group, pyrazinyl group, pyrimidinyl group, pyrrolyl group, imidazolyl group, pyrazolyl group, morpholino group and the like.
- Preferred are a dialkylamino group, an imidazolyl group, and a morpholino group.
- the alkyl group of the dialkylamino group is preferably an alkyl group having 1 to 10 carbon atoms.
- the compound represented by the formula (IIIb-1) is more preferably a heterocyclic group-substituted acetophenone compound, a dialkylamino-substituted benzophenone compound, or a heterocyclic group-substituted benzophenone compound, and particularly preferably 4′-imidazole-1 -Yl-acetophenone, 4-morpholinoacetophenone, 4-dimethylaminobenzophenone, 4-diethylaminobenzophenone, 4,4'-bis (dimethylamino) -benzophenone, 4,4'-bis (diethylamino) -benzophenone, 4-morpholinobenzophenone It is.
- R 21 represents a hydrogen atom, a hydrocarbyl group having 1 to 6 carbon atoms or a substituted hydrocarbyl group having 1 to 6 carbon atoms
- a 3 represents Represents an oxygen atom or —NR 22 — group
- R 22 represents a hydrogen atom or a hydrocarbyl group having 1 to 10 carbon atoms
- a 4 represents a functional group having a nitrogen atom and / or an oxygen atom.
- g represents an integer of 1 to 10. From the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a balanced manner, it is preferably 2 or more, and preferably 4 or less from the viewpoint of improving economics during production. Particularly preferred is 3.
- R 21 in formula (IV) represents a hydrogen atom, a hydrocarbyl group having 1 to 6 carbon atoms, or a substituted hydrocarbyl group having 1 to 6 carbon atoms.
- hydrocarbyl group of R 21 examples include alkyl groups such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, and t-butyl group.
- Examples of the substituted hydrocarbyl group represented by R 21 include a substituted hydrocarbyl group having as a substituent at least one group selected from the group consisting of a group having a nitrogen atom, a group having an oxygen atom, and a group having a silicon atom. it can.
- Examples of the group having a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl
- An alkoxyalkyl group such as a methoxyethyl group, an ethoxymethyl group, and an ethoxyethyl group, and a group having a silicon atom group as a substituent includes a trialkylsilylalkyl group such as a trimethylsilylmethyl group;
- a trialkylsilyloxyalkyl group such as a butyldimethylsiloxymethyl group;
- a trialkoxysilylalkyl group such as a trimethoxysilylpropyl group;
- the hydrocarbyl group for R 21 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, still more preferably a methyl group or an ethyl group, still more preferably It is a methyl group.
- the substituted hydrocarbyl group for R 21 is preferably an alkoxyalkyl group, more preferably an alkoxyalkyl group having 1 to 4 carbon atoms, still more preferably a methoxymethyl group or an ethoxyethyl group. More preferably a methoxymethyl group.
- R 21 is preferably a hydrogen atom, an alkyl group, or an alkoxyalkyl group, more preferably a hydrogen atom, a carbon atom, from the viewpoint of improving fuel economy, wet grip performance and wear resistance in a well-balanced manner and economy.
- a 3 in the formula (IV) represents an oxygen atom or a —NR 22 — group
- R 22 represents a hydrogen atom or a hydrocarbyl group having 1 to 10 carbon atoms.
- hydrocarbyl group of R 22 examples include methyl groups, ethyl groups, n-propyl groups, isopropyl groups, n-butyl groups, sec-butyl groups, t-butyl groups and the like; phenyl groups, methylphenyl groups, ethylphenyl groups An aryl group such as a naphthyl group; and an aralkyl group such as a benzyl group.
- the hydrocarbyl group for R 22 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, and still more preferably a methyl group or an ethyl group.
- R 22 is preferably a hydrogen atom or an alkyl group, more preferably a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, still more preferably a hydrogen atom, a methyl group or an ethyl group. And more preferably a hydrogen atom or a methyl group.
- a 4 in formula (IV) represents a functional group having a nitrogen atom and / or an oxygen atom.
- the functional group having a nitrogen atom include an amino group, isocyano group, cyano group, pyridyl group, piperidyl group, piperazinyl group, morpholino group and the like.
- Examples of the functional group having an oxygen atom include an alkoxy group such as a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, a sec-butoxy group, and a t-butoxy group; a methoxymethyl group, a methoxyethyl group And alkoxyalkyl groups such as ethoxymethyl group and ethoxyethyl group; alkoxyaryl groups such as methoxyphenyl group and ethoxyphenyl group; and alkylene oxide groups such as epoxy group and tetrahydrofuranyl group.
- trialkylsilyloxy groups such as trimethylsilyloxy group, triethylsilyloxy group, and t-butyldimethylsilyloxy group can be exemplified.
- a hydroxyl group can be mention
- a 4 is preferably a group or a hydroxyl group represented by the following formula (IVa), more preferably a group represented by the following formula (IVa).
- R 23 and R 24 each independently have 1 to 6 carbon atoms which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- R 23 and R 24 may be bonded to form a ring structure together with a nitrogen atom, and R 23 and R 24 may be the same group bonded to nitrogen by a double bond.
- R 23 and R 24 in the formula (IVa) include a hydrocarbyl group having 1 to 6 carbon atoms, a substituted hydrocarbyl group having 1 to 6 carbon atoms, and a substituted silyl group.
- Examples of the hydrocarbyl group of R 23 and R 24 include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, tert-butyl group, n-pentyl group, neopentyl group, and isopentyl group. And an alkyl group such as n-hexyl group; a cycloalkyl group such as cyclohexyl group; a phenyl group and the like.
- the substituted hydrocarbyl group of R 23 and R 24 includes a substituted hydrocarbyl group having as a substituent at least one group selected from the group consisting of a group having a nitrogen atom, a group having an oxygen atom, and a group having a silicon atom.
- a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl Group, alkoxyalkyl group such as methoxyethyl group, ethoxymethyl group, ethoxyethyl group; alkylene oxide group such as epoxy group, tetrahydrofuranyl group; alkylene oxide alkyl group such as glycidyl group, tetrahydrofurfuryl group, etc.
- Examples of the group having a group having a silicon atom as a substituent include a trialkylsilylalkyl group such as a trimethylsilylmethyl group.
- the alkylene oxide group represents a monovalent group obtained by removing a hydrogen atom from a ring of a cyclic ether compound.
- the alkylene oxide alkyl group represents a group in which one or more hydrogen atoms of the alkyl group are substituted with an alkylene oxide group.
- Examples of the substituted silyl group for R 23 and R 24 include a trialkylsilyl group such as a trimethylsilyl group, a triethylsilyl group, and a t-butyldimethylsilyl group; a trialkoxysilyl group such as a trimethoxysilyl group.
- the group to which R 23 and R 24 are bonded is a divalent group having 2 to 12 carbon atoms, which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- Group for example, an alkylene group such as a trimethylene group, a tetramethylene group, a pentamethylene group, or a hexamethylene group; an oxydialkylene group such as an oxydiethylene group or an oxydipropylene group; —CH 2 CH 2 —NH—CH 2 — And a nitrogen-containing group such as a group represented by —CH 2 CH 2 —N ⁇ CH—.
- the group to which R 23 and R 24 are bonded is preferably a nitrogen-containing group, a group represented by —CH 2 CH 2 —NH—CH 2 —, a group represented by —CH 2 CH 2 —N ⁇ CH—. Is more preferable.
- the same group bonded to the nitrogen of R 23 and R 24 with a double bond is the number of carbon atoms optionally having at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom Is a divalent group of 2 to 12.
- Examples thereof include an ethylidene group, 1-methylpropylidene group, 1,3-dimethylbutylidene group, 1-methylethylidene group, 4-N, N-dimethylaminobenzylidene group.
- the hydrocarbyl group of R 23 and R 24 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, still more preferably a methyl group, an ethyl group, or an n-propyl group. N-butyl group, more preferably a methyl group or an ethyl group.
- the substituted hydrocarbyl group for R 23 and R 24 is preferably an alkoxyalkyl group, an alkylene oxide group, or an alkylene oxide alkyl group.
- the substituted silyl group for R 23 and R 24 is preferably a trialkylsilyl group or a trialkoxysilyl group, more preferably a trialkylsilyl group, still more preferably a trimethylsilyl group or a triethylsilyl group. .
- R 23 and R 24 are preferably a nitrogen-containing group to which R 23 and R 24 are bonded, an alkyl group, an alkoxyalkyl group, an alkylene oxide group, an alkylene oxide alkyl group, or a substituted silyl group, and more preferably an alkyl group.
- Examples of the group represented by the formula (IVa) include an acyclic amino group and a cyclic amino group.
- Examples of the acyclic amino group include dimethylamino group, diethylamino group, di (n-propyl) amino group, di (isopropyl) amino group, di (n-butyl) amino group, di (sec-butyl) amino group, di ( dialkylamino groups such as tert-butyl) amino group, di (neopentyl) amino group, ethylmethylamino group; di (methoxymethyl) amino group, di (methoxyethyl) amino group, di (ethoxymethyl) amino group, di ( And di (alkoxyalkyl) amino groups such as ethoxyethyl) amino group; di (trialkylsilyl) amino groups such as di (trimethylsilyl) amino group and di (t-butyldimethylsilyl) amino group.
- di (alkylene oxide) amino groups such as di (epoxy) amino groups and di (tetrahydrofuranyl) amino groups
- di (alkylene oxide alkyl) amino groups such as di (glycidyl) amino groups and di (tetrahydrofurfuryl) amino groups
- ethylideneamino group 1-methylpropylideneamino group, 1,3-dimethylbutylideneamino group, 1-methylethylideneamino group, 4-N, N-dimethylaminobenzylideneamino group, and the like.
- the di (alkylene oxide) amino group represents an amino group in which two hydrogen atoms bonded to a nitrogen atom are substituted with two alkylene oxide groups
- the di (alkylene oxide alkyl) amino group Represents an amino group in which two hydrogen atoms bonded to a nitrogen atom are substituted with two alkylene oxide alkyl groups.
- Examples of the cyclic amino group include 1-pyrrolidinyl group, 1-piperidino group, 1-hexamethyleneimino group, 1-heptamethyleneimino group, 1-octamethyleneimino group, 1-decamethyleneimino group, 1-dodecamethyleneimino group. And 1-polymethyleneimino group such as a group.
- Examples of the cyclic amino group include 1-imidazolyl group, 4,5-dihydro-1-imidazolyl group, 1-imidazolidinyl group, 1-piperazinyl group, morpholino group and the like.
- the group represented by the formula (IVa) is preferably an acyclic amino group, more preferably a dialkyl group, from the viewpoint of low fuel consumption, wet grip performance, abrasion resistance, long-term stability and availability of the compound.
- Examples of the compound represented by the formula (IV) include acrylamide compounds and methacrylamide compounds as compounds in which A 3 is a secondary amino group.
- acrylamide compound in which A 4 is an oxygen atom-containing group N- (3-methoxypropyl) acrylamide, N- (3-ethoxypropyl) acrylamide, N- (propoxymethyl) acrylamide, N- (butoxymethyl) acrylamide, N-glycidyl acrylamide, Examples thereof include N-tetrahydrofurfuryl acrylamide.
- methacrylamide compound in which A 4 is an oxygen atom-containing group N- (3-methoxypropyl) methacrylamide, N- (3-ethoxypropyl) methacrylamide, N- (propoxymethyl) methacrylamide, N- (butoxymethyl) methacrylamide, N-glycidyl methacrylamide, Examples thereof include N-tetrahydrofurfuryl methacrylamide.
- acrylamide compound in which A 4 is a group containing a nitrogen atom and an oxygen atom N- (3-di (glycidyl) aminopropyl) acrylamide, N- (3-di (tetrahyhydrofurfuryl) aminopropyl) acrylamide and the like.
- the compound represented by Formula (IV), a compound A 3 is an oxygen atom, may be mentioned acrylate compounds, methacrylate compounds, and the like.
- acrylate compound in which A 4 is a nitrogen atom-containing group 2-dimethylaminoethyl acrylate, 2-diethylaminoethyl acrylate, 3-dimethylaminopropyl acrylate, 3-diethylaminopropyl acrylate, 4-dimethylaminobutyl acrylate, 4-diethylaminobutyl acrylate.
- a 4 is a group containing a nitrogen atom
- Examples include 4-diethylaminobutyl methacrylate.
- acrylate compound in which A 4 is an oxygen atom-containing group 2-ethoxyethyl acrylate, 2-propoxyethyl acrylate, 2-butoxyethyl acrylate, 3-methoxypropyl acrylate, 3-ethoxypropyl acrylate, Glycidyl acrylate, And tetrahydrofurfuryl acrylate.
- methacrylate compound in which A 4 is an oxygen atom-containing group 2-ethoxyethyl methacrylate, 2-propoxyethyl methacrylate, 2-butoxyethyl methacrylate, 3-methoxypropyl methacrylate, 3-ethoxypropyl methacrylate, Glycidyl methacrylate, And tetrahydrofurfuryl methacrylate.
- acrylate compound in which A 4 is a group containing a nitrogen atom and an oxygen atom 3-di (glycidyl) aminopropyl acrylate, And 3-di (tetrahydrofurfuryl) aminopropyl acrylate.
- methacrylate compound in which A 4 is a group containing a nitrogen atom and an oxygen atom 3-di (glycidyl) aminopropyl methacrylate, Examples include 3-di (tetrahydrofurfuryl) aminopropyl methacrylate.
- a 4 is a group represented by the formula (IVa), More preferably, it is a compound in which A 3 is an amino group and A 4 is a group represented by the formula (IVa), More preferred is a compound wherein A 3 is a secondary amino group (—NH—) and A 4 is a group represented by the formula (IVa).
- N- (3-dialkylaminopropyl) acrylamide N- (3-dialkylaminopropyl) methacrylamide
- Examples of the group having a group represented by the formula (V) include an amide group, a carboxylic ester group, a methacryloyl group, and an acryloyl group.
- Examples of the group having a group represented by the formula (VI) include oxydialkylene groups such as oxydimethylene group and oxydiethylene group; alkylene oxide groups such as epoxy group and tetrahydrofuranyl group.
- the alkylene oxide group represents a monovalent group obtained by removing a hydrogen atom from a ring of a cyclic ether compound.
- the silicon compound preferably has a group represented by the following formula (VIII).
- R 41, R 42 and R 43 each independently carbon atoms hydrocarbyl group or a number of carbon atoms of 1 to 4 represent hydrocarbyl group of 1 to 4, R 41, R 42 and R At least one of 43 is a hydrocarbyloxy group.
- examples of the hydrocarbyl group of R 41 , R 42 and R 43 include a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, a sec-butyl group, and a tert-butyl group.
- An alkyl group etc. can be mention
- the hydrocarbyloxy group of R 41 , R 42 and R 43 is an alkoxy group such as a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, a sec-butoxy group or a t-butoxy group. Can give.
- the hydrocarbyl group of R 41 , R 42 and R 43 is preferably an alkyl group, more preferably an alkyl group having 1 to 3 carbon atoms, still more preferably a methyl group or an ethyl group.
- the hydrocarbyloxy group of R 41 , R 42 and R 43 is preferably an alkoxy group, more preferably an alkoxy group having 1 to 3 carbon atoms, still more preferably a methoxy group, ethoxy group It is a group.
- R 41 , R 42 and R 43 preferably, at least two of R 41 , R 42 and R 43 are hydrocarbyloxy groups from the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a balanced manner. More preferably, three of R 41 , R 42 and R 43 are hydrocarbyloxy groups.
- Examples of the silicon compound having a group represented by the formula (V) and a group represented by the formula (VIII) include a silicon compound having a group represented by the following formula (Va). [Wherein, h represents an integer of 1 to 10, and R 44 , R 45 and R 46 each independently represents a hydrocarbyl group having 1 to 4 carbon atoms or a hydrocarbyloxy group having 1 to 4 carbon atoms. And at least one of R 44 , R 45 and R 46 is a hydrocarbyloxy group. ]
- h represents an integer of 1 to 10. From the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a balanced manner, it is preferably 2 or more, and preferably 4 or less from the viewpoint of improving economics during production. Particularly preferred is 3.
- R 44 , R 45 and R 46 the exemplified groups and preferred groups are the same as the exemplified groups and preferred groups described above for R 41 , R 42 and R 43 of formula (VIII).
- Examples of the silicon compound having a group represented by the formula (Va) include compounds represented by the following formula (Va-1) or the following formula (Va-2). [Wherein, i represents an integer of 1 to 10, and R 47 , R 48 and R 49 each independently represents a hydrocarbyl group having 1 to 4 carbon atoms or a hydrocarbyloxy group having 1 to 4 carbon atoms. Wherein at least one of R 47 , R 48 and R 49 is a hydrocarbyloxy group, R 50 and R 51 are each independently a hydrocarbyl group having 1 to 10 carbon atoms, and 1 to 10 carbon atoms. And a substituted hydrocarbyloxy group having 1 to 10 carbon atoms or a substituted hydrocarbyloxy group having 1 to 10 carbon atoms, and R 50 and R 51 may be bonded to each other. ]
- R 52 to R 60 each independently represents a hydrocarbyl group having 1 to 4 carbon atoms or 1 carbon atom.
- R 52 , R 53 and R 54 is a hydrocarbyloxy group
- at least one of R 55 , R 56 and R 57 is a hydrocarbyloxy group
- at least one of R 60 is a hydrocarbyloxy group.
- I in the formula (Va-1) represents an integer of 1 to 10. From the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a balanced manner, it is preferably 2 or more, and preferably 4 or less from the viewpoint of improving economics during production. Particularly preferred is 3.
- the hydrocarbyl groups of R 47 , R 48 and R 49 are methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, tert-butyl group And an alkyl group.
- the hydrocarbyloxy group of R 47 , R 48 and R 49 is an alkoxy group such as a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, a sec-butoxy group or a t-butoxy group. Can give.
- the hydrocarbyl group of R 47 , R 48 and R 49 is preferably an alkyl group, more preferably an alkyl group having 1 to 3 carbon atoms, still more preferably a methyl group or an ethyl group.
- the hydrocarbyloxy group of R 47 , R 48 and R 49 is preferably an alkoxy group, more preferably an alkoxy group having 1 to 3 carbon atoms, and still more preferably a methoxy group, ethoxy group It is a group.
- R 47 , R 48 and R 49 are preferably at least two of R 47 , R 48 and R 49 are hydrocarbyloxy groups from the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a balanced manner. More preferably, three of R 47 , R 48 and R 49 are hydrocarbyloxy groups.
- Examples of the hydrocarbyl group of R 50 and R 51 include alkyl groups such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, and tert-butyl group.
- the substituted hydrocarbyl group of R 50 and R 51 is a substituted hydrocarbyl group having as a substituent at least one group selected from the group consisting of a group having a nitrogen atom, a group having an oxygen atom, and a group having a silicon atom.
- a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl Group, alkoxyalkyl group such as methoxyethyl group, ethoxymethyl group, ethoxyethyl group and the like.
- Examples of the group having a silicon atom group as a substituent include trialkylsilyl groups such as trimethylsilylmethyl group and triethylsilylmethyl group. Examples thereof include a silylalkyl group.
- Examples of the hydrocarbyloxy group of R 50 and R 51 include alkoxy groups such as a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, a sec-butoxy group, and a t-butoxy group.
- examples of the substituted hydrocarbyloxy group for R 50 and R 51 include alkoxyalkoxy groups such as a methoxymethoxy group, a methoxyethoxy group, an ethoxymethoxy group, and an ethoxyethoxy group.
- the group to which R 50 and R 51 are bonded is a divalent group having 2 to 12 carbon atoms, which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- Group for example, an alkylene group such as a trimethylene group, a tetramethylene group, a pentamethylene group, or a hexamethylene group; an oxydialkylene group such as an oxydiethylene group or an oxydipropylene group; —CH 2 CH 2 —NH—CH 2 — And a nitrogen-containing group such as a group represented by —CH 2 CH 2 —N ⁇ CH—.
- R 50 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, and still more preferably a methyl group or an ethyl group.
- R 51 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, and still more preferably a methyl group and an ethyl group.
- J, k and l in the formula (Va-2) each independently represents an integer of 1 to 10. From the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a balanced manner, it is preferably 2 or more, and preferably 4 or less from the viewpoint of improving economics during production. Particularly preferred is 3.
- the hydrocarbyl groups of R 52 to R 60 include alkyl groups such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, and tert-butyl group.
- Examples of the hydrocarbyloxy group of R 52 to R 60 include alkoxy groups such as a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, a sec-butoxy group, and a t-butoxy group. Can do.
- the hydrocarbyl group of R 52 to R 60 is preferably an alkyl group, more preferably an alkyl group having 1 to 3 carbon atoms, and still more preferably a methyl group or an ethyl group.
- the hydrocarbyloxy group of R 52 to R 60 is preferably an alkoxy group, more preferably an alkoxy group having 1 to 3 carbon atoms, and still more preferably a methoxy group or an ethoxy group. .
- R 52 , R 53 and R 54 preferably, at least two of R 52 , R 53 and R 54 are hydrocarbyloxy groups from the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a balanced manner. More preferably, three of R 52 , R 53 and R 54 are hydrocarbyloxy groups.
- R 55 , R 56 and R 57 are preferably at least two of R 55 , R 56 and R 57 are hydrocarbyloxy groups from the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a balanced manner. More preferably, three of R 55 , R 56 and R 57 are hydrocarbyloxy groups.
- R 58 , R 59 and R 60 are preferably at least two of R 58 , R 59 and R 60 are hydrocarbyloxy groups from the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a balanced manner. More preferably, three of R 58 , R 59 and R 60 are hydrocarbyloxy groups.
- N-alkyl-N-trialkoxysilylalkyl-substituted carboxylic acid amide More preferably, N-alkyl-N-trialkoxysilylalkyl-propionamide, More preferably, N-methyl-N- (3-trimethoxysilylpropyl) -propionamide, N-methyl-N- (3-triethoxysilylpropyl) -propionamide.
- Examples of the silicon compound having a group represented by the formula (VI) and a group represented by the formula (VIII) include a silicon compound represented by the following formula (VIa).
- v represents an integer of 1 to 10
- R 61 , R 62 and R 63 each independently represents a hydrocarbyl group having 1 to 4 carbon atoms or a hydrocarbyloxy group having 1 to 4 carbon atoms.
- at least one of R 61 , R 62 and R 63 is a hydrocarbyloxy group
- R 64 represents a hydrocarbyl group having 1 to 10 carbon atoms or a substituted hydrocarbyl group having 1 to 10 carbon atoms.
- V in the formula (VIa) represents an integer of 1 to 10. From the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a balanced manner, it is preferably 2 or more, and preferably 4 or less from the viewpoint of improving economics during production. Particularly preferred is 3.
- examples of the hydrocarbyl group of R 61 , R 62 and R 63 include a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, a sec-butyl group, and a tert-butyl group.
- An alkyl group etc. can be mention
- the hydrocarbyloxy groups of R 61 , R 62 and R 63 include alkoxy groups such as a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, a sec-butoxy group and a t-butoxy group. Can give.
- the hydrocarbyl group of R 61 , R 62 and R 63 is preferably an alkyl group, more preferably an alkyl group having 1 to 3 carbon atoms, still more preferably a methyl group or an ethyl group.
- the hydrocarbyloxy group of R 61 , R 62 and R 63 is preferably an alkoxy group, more preferably an alkoxy group having 1 to 3 carbon atoms, still more preferably a methoxy group, ethoxy group It is a group.
- R 61 , R 62 and R 63 are preferably at least two of R 61 , R 62 and R 63 are hydrocarbyloxy groups from the viewpoint of improving the fuel efficiency, wet grip performance and wear resistance in a balanced manner. More preferably, three of R 61 , R 62 and R 63 are hydrocarbyloxy groups.
- hydrocarbyl group of R 64 examples include methyl groups, ethyl groups, n-propyl groups, isopropyl groups, n-butyl groups, sec-butyl groups, tert-butyl groups and other alkyl groups.
- Examples of the substituted hydrocarbyl group represented by R 64 include a substituted hydrocarbyl group having as a substituent at least one group selected from the group consisting of a group having a nitrogen atom, a group having an oxygen atom, and a group having a silicon atom. it can.
- Examples of the group having a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl Group, alkoxyalkyl group such as methoxyethyl group, ethoxymethyl group and ethoxyethyl group; alkylene oxide alkyl group such as glycidyl group and tetrahydrofurfuryl group, and the like having a group having a silicon atom as a substituent. Includes a trialkylsilylalkyl group such as a trimethylsilylmethyl group.
- the alkylene oxide alkyl group represents a group in which one or more hydrogen atoms of the alkyl group are substituted with an alkylene oxide group.
- R 64 is preferably an alkylene oxide alkyl group, more preferably a glycidyl group or a tetrahydrofurfuryl group.
- R 64 is an alkyl group
- 3- (methoxy) propyltrimethoxysilane, 3- (ethoxy) propyltrimethoxysilane, 3- (n-propoxy) propyltrimethoxysilane, 3- (isopropoxy) propyltrimethoxysilane, 3- (n-butoxy) propyltrimethoxysilane, 3- (sec-butoxy) propyltrimethoxysilane Mention may be made of 3- (alkoxy) propyltrialkoxysilanes such as 3- (t-butoxy) propyltrimethoxysilane.
- R 64 is an alkylene oxide alkyl group
- 2-glycidoxyethyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane, 2-glycidoxyethyl triethoxysilane Glycidoxyalkyltrialkoxysilanes such as 3-glycidoxypropyltriethoxysilane; 2-tetrahydrofurfuryloxyethyltrimethoxysilane, 3-tetrahydrofurfuryloxypropyltrimethoxysilane, 2-tetrahydrofurfuryloxyethyl triethoxysilane, Mention may be made of tetrahydrofurfuryloxyalkyltrialkoxysilanes such as 3-tetrahydroflufuroxypropyltriethoxysilane.
- R 64 is an alkoxyalkyl group
- the compound represented by the formula (VIa) is preferably a compound in which R 64 is an alkylene oxide alkyl group, more preferably 3-glycidoxypropyltrimethoxysilane, 3-glycidoxypropyltriethoxysilane, 3-tetrahydrofurfuryloxypropyltrimethoxysilane, 3-tetrahydrofurfuryloxypropyltriethoxysilane.
- Examples of the silicon compound having a group represented by the formula (V), a group represented by the formula (VI), and a group represented by the formula (VIII) include acryloxyalkyltrialkoxysilane and methacryloxyalkyltrialkoxysilane. I can give you.
- Examples of the acryloxyalkyltrialkoxysilane include 3-acryloxypropyltrialkoxysilane such as 3-acryloxypropyltrimethoxysilane and 3-acryloxypropyltriethoxysilane.
- Examples of the methacryloxyalkyltrialkoxysilane include 3-methacryloxypropyltrialkoxysilane such as 3-methacryloxypropyltrimethoxysilane and 3-methacryloxypropyltriethoxysilane.
- Examples of the silicon compound having a group represented by the formula (V), a group represented by the formula (VI), and a group represented by the formula (VIII) include trialkoxysilylalkyl succinic anhydride and trialkoxysilylalkyl. Mention may also be made of maleic anhydride.
- trialkoxysilylalkyl succinic anhydrides include 3-trialkoxysilylpropyl succinic anhydrides such as 3-trimethoxysilylpropyl succinic anhydride and 3-triethoxysilylpropyl succinic anhydride.
- trialkoxysilylalkylmaleic anhydride include 3-trialkoxysilylpropylmaleic anhydride such as 3-trimethoxysilylpropylmaleic anhydride and 3-triethoxysilylpropylmaleic anhydride.
- a 5 is a functional group having a nitrogen atom, and examples thereof include an amino group, an isocyano group, a cyano group, a pyridyl group, a piperidyl group, a pyrazinyl group, and a morpholino group.
- Examples of the compound having a group represented by the formula (VII) include a compound represented by the following formula (VII-1).
- z represents an integer of 0 to 10
- R 71 represents a hydrocarbyl group having 1 to 5 carbon atoms
- R 72 , R 73 , R 74 and R 75 each independently represent a hydrogen atom
- a hydrocarbyl group having 1 to 5 carbon atoms, a substituted hydrocarbyl group having 1 to 5 carbon atoms, or a hydrocarbyloxy group having 1 to 5 carbon atoms, and a plurality of R 72 and R 73 are present.
- R 72 and a plurality of R 73 may be the same or different, and R 76 and R 77 are each independently at least one selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom. atom represent good number of carbon atoms even if the groups 1-6 has, R 76 and R 77 may form a ring structure with a nitrogen atom bonded to, R 76 and R 77 is a nitrogen With double bond It may be the same group if. ]
- Z in the formula (VII-1) represents an integer of 0 to 10. From the viewpoint of improving economy, it is preferably 3 or less, more preferably 0.
- R 71 in formula (VII-1) represents a hydrocarbyl group having 1 to 5 carbon atoms.
- the hydrocarbyl group of R 71 include alkyl groups such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, and t-butyl group.
- the hydrocarbyl group represented by R 71 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, and still more preferably a methyl group or an ethyl group.
- R 72 to R 75 in formula (VII-1) are each independently a hydrogen atom, a hydrocarbyl group having 1 to 5 carbon atoms, a substituted hydrocarbyl group having 1 to 5 carbon atoms, or 1 to 5 carbon atoms.
- 5 represents a hydrocarbyloxy group, and when there are a plurality of R 72 and R 73 , the plurality of R 72 and the plurality of R 73 may be the same or different.
- Examples of the hydrocarbyl group of R 72 to R 75 include alkyl groups such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, and t-butyl group.
- Examples of the substituted hydrocarbyl group of R 72 to R 75 include a substituted hydrocarbyl group having as a substituent at least one group selected from the group consisting of a group having a nitrogen atom and a group having an oxygen atom.
- Examples of the group having a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl And alkoxyalkyl groups such as a methoxyethyl group, an ethoxymethyl group, and an ethoxyethyl group.
- Examples of the hydrocarbyloxy group of R 72 to R 75 include alkoxy groups such as a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, a sec-butoxy group, and a t-butoxy group. .
- the hydrocarbyl group of R 72 to R 75 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, and still more preferably a methyl group or an ethyl group.
- the substituted hydrocarbyl group of R 72 to R 75 is preferably an alkoxyalkyl group, more preferably an alkoxyalkyl group having 1 to 4 carbon atoms, still more preferably a methoxymethyl group or an ethoxyethyl group. .
- the hydrocarbyloxy group of R 72 to R 75 is preferably an alkoxy group, more preferably an alkoxy group having 1 to 3 carbon atoms, and still more preferably a methoxy group or an ethoxy group.
- R 74 and R 75 is a hydrogen atom. More preferably, one of R 74 and R 75 is a hydrogen atom, and the other is an alkyl group or an alkoxy group. More preferably, one of R 74 and R 75 is a hydrogen atom, and the other is an alkoxy group. Particularly preferred are a methoxy group and an ethoxy group.
- R 76 and R 77 in formula (VII-1) each independently have 1 carbon atom which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom. And R 76 and R 77 may be bonded to form a ring structure with the nitrogen atom, and R 76 and R 77 may be the same group bonded to the nitrogen by a double bond. Good.
- R 76 and R 77 in formula (VII-1) include a hydrocarbyl group having 1 to 6 carbon atoms, a substituted hydrocarbyl group having 1 to 6 carbon atoms, and a substituted silyl group.
- Examples of the hydrocarbyl group of R 76 and R 77 include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, tert-butyl group, n-pentyl group, neopentyl group, and isopentyl group. And an alkyl group such as n-hexyl group; a cycloalkyl group such as cyclohexyl group; a phenyl group and the like.
- the substituted hydrocarbyl group of R 76 and R 77 is a substituted hydrocarbyl group having at least one group selected from the group consisting of a group having a nitrogen atom, a group having an oxygen atom and a group having a silicon atom as a substituent.
- a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl Group, alkoxyalkyl group such as methoxyethyl group, ethoxymethyl group, ethoxyethyl group; alkylene oxide group such as epoxy group, tetrahydrofuranyl group; alkylene oxide alkyl group such as glycidyl group, tetrahydrofurfuryl group, etc.
- Examples of the group having a group having a silicon atom as a substituent include a trialkylsilylalkyl group such as a trimethylsilylmethyl group.
- the alkylene oxide group represents a monovalent group obtained by removing a hydrogen atom from a ring of a cyclic ether compound.
- the alkylene oxide alkyl group represents a group in which one or more hydrogen atoms of the alkyl group are substituted with an alkylene oxide group.
- Examples of the substituted silyl group for R 76 and R 77 include trialkylsilyl groups such as trimethylsilyl group, triethylsilyl group and t-butyldimethylsilyl group; trialkoxysilyl groups such as trimethoxysilyl group.
- the group to which R 76 and R 77 are bonded is a divalent group having 2 to 12 carbon atoms, which may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- Group for example, an alkylene group such as a trimethylene group, a tetramethylene group, a pentamethylene group, or a hexamethylene group; an oxydialkylene group such as an oxydiethylene group or an oxydipropylene group; —CH 2 CH 2 —NH—CH 2 — And a nitrogen-containing group such as a group represented by —CH 2 CH 2 —N ⁇ CH—.
- the group to which R 76 and R 77 are bonded is preferably a nitrogen-containing group, a group represented by —CH 2 CH 2 —NH—CH 2 —, a group represented by —CH 2 CH 2 —N ⁇ CH—. Is more preferable.
- the same group bonded to the nitrogen of R 76 and R 77 with a double bond is the number of carbon atoms optionally having at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom Is a divalent group of 2 to 12.
- Examples thereof include an ethylidene group, 1-methylpropylidene group, 1,3-dimethylbutylidene group, 1-methylethylidene group, 4-N, N-dimethylaminobenzylidene group.
- the hydrocarbyl group of R 76 and R 77 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, still more preferably a methyl group, an ethyl group, or an n-propyl group. N-butyl group, more preferably a methyl group or an ethyl group.
- the substituted hydrocarbyl group for R 76 and R 77 is preferably an alkoxyalkyl group, an alkylene oxide group, or an alkylene oxide alkyl group.
- the substituted silyl group for R 76 and R 77 is preferably a trialkylsilyl group or a trialkoxysilyl group, more preferably a trialkylsilyl group, still more preferably a trimethylsilyl group or a triethylsilyl group. .
- R 76 and R 77 are preferably an alkyl group, an alkoxyalkyl group, a substituted silyl group, or a nitrogen-containing group to which R 76 and R 77 are bonded, and more preferably an alkyl group having 1 to 4 carbon atoms. More preferred are a methyl group, an ethyl group, an n-propyl group, and an n-butyl group, and even more preferred are a methyl group and an ethyl group.
- Examples of the amino group in which R 76 and R 77 are bonded to a nitrogen atom include an acyclic amino group and a cyclic amino group.
- Examples of the acyclic amino group include dimethylamino group, diethylamino group, di (n-propyl) amino group, di (isopropyl) amino group, di (n-butyl) amino group, di (sec-butyl) amino group, di ( dialkylamino groups such as tert-butyl) amino group, di (neopentyl) amino group, ethylmethylamino group; di (methoxymethyl) amino group, di (methoxyethyl) amino group, di (ethoxymethyl) amino group, di ( And di (alkoxyalkyl) amino groups such as ethoxyethyl) amino group; di (trialkylsilyl) amino groups such as di (trimethylsilyl) amino group and di (t-butyldimethylsilyl) amino group.
- di (alkylene oxide) amino groups such as di (epoxy) amino groups and di (tetrahydrofuranyl) amino groups
- di (alkylene oxide alkyl) amino groups such as di (glycidyl) amino groups and di (tetrahydrofurfuryl) amino groups
- ethylideneamino group 1-methylpropylideneamino group, 1,3-dimethylbutylideneamino group, 1-methylethylideneamino group, 4-N, N-dimethylaminobenzylideneamino group, and the like.
- Examples of the cyclic amino group include 1-pyrrolidinyl group, 1-piperidino group, 1-hexamethyleneimino group, 1-heptamethyleneimino group, 1-octamethyleneimino group, 1-decamethyleneimino group, 1-dodecamethyleneimino group. And 1-polymethyleneimino group such as a group.
- Examples of the cyclic amino group include 1-imidazolyl group, 4,5-dihydro-1-imidazolyl group, 1-imidazolidinyl group, 1-piperazinyl group, morpholino group and the like.
- the amino group in which R 76 and R 77 are bonded to the nitrogen atom is preferably an acyclic amino group from the viewpoint of low fuel consumption, wet grip performance, wear resistance, long-term stability and availability of the compound, A dialkylamino group is preferable, and a dimethylamino group and a diethylamino group are more preferable.
- Examples of the compound represented by the formula (VII-1) include N, N-dialkyl-substituted carboxylic acid amide dialkyl acetal compounds.
- N, N-dialkyl-substituted carboxylic acid amide dialkyl acetal compound N, N-dimethylformamide dimethyl acetal, N, N-diethylformamide dimethyl acetal, N, N-di (n-propyl) formamide dimethyl acetal, N, N-dimethylformamide diethyl acetal, N, N-diethylformamide diethyl acetal, N, N-di (n-propyl) formamide diethyl acetal, N, N-dialkylformamide dialkyl acetals such as N, N-dimethylformamide ethyl methyl acetal, N, N-diethylformamide ethyl methyl acetal, N, N-di (n-propyl) formamide ethyl methyl acetal;
- N, N-dialkylformamide dialkyl acetal More preferably, N, N-dimethylformamide dimethyl acetal, N, N-diethylformamide dimethyl acetal, N, N-dimethylformamide diethyl acetal, N, N-diethylformamide diethyl acetal.
- the conjugated diene polymer may have a constituent unit based on another monomer in addition to the constituent unit based on the conjugated diene (conjugated diene unit).
- the other monomer include aromatic vinyl, vinyl nitrile, and unsaturated carboxylic acid ester.
- the aromatic vinyl include styrene, ⁇ -methylstyrene, vinyl toluene, vinyl naphthalene, divinyl benzene, trivinyl benzene, and divinyl naphthalene.
- Examples of the vinyl nitrile include acrylonitrile, and examples of the unsaturated carboxylic acid ester include methyl acrylate, ethyl acrylate, methyl methacrylate, and ethyl methacrylate. Among these, aromatic vinyl is preferable, and styrene is more preferable.
- the conjugated diene polymer preferably has a structural unit based on aromatic vinyl (aromatic vinyl unit) from the viewpoint of wear resistance.
- the content of the aromatic vinyl unit is preferably a conjugated diene unit.
- the total amount of aromatic vinyl units is 100% by mass, preferably 10% by mass or more (conjugated diene unit content is 90% by mass or less), more preferably 15% by mass or more (conjugate diene unit content) Is 85% by mass or less).
- the content of the aromatic vinyl unit is preferably 50% by mass or less (the content of the conjugated diene unit is 50% by mass or more), more preferably 45% by mass or less (conjugated diene).
- the unit content is 55% by mass or more).
- the vinyl bond content of the conjugated diene polymer is preferably 80 mol% or less, more preferably 70 mol% or less from the viewpoint of fuel efficiency, with the content of the conjugated diene unit being 100 mol%. Moreover, from a viewpoint of wet grip performance, Preferably it is 10 mol% or more, More preferably, it is 15 mol% or more, More preferably, it is 20 mol% or more, Most preferably, it is 40 mol% or more.
- the vinyl bond amount is determined from the absorption intensity in the vicinity of 910 cm ⁇ 1, which is the vinyl group absorption peak, by infrared spectroscopy.
- the molecular weight distribution of the conjugated diene polymer is preferably 1 to 5 and more preferably 1 to 2 from the viewpoint of low fuel consumption.
- the molecular weight distribution is obtained by measuring the number average molecular weight (Mn) and the weight average molecular weight (Mw) by gel permeation chromatography (GPC) method and dividing Mw by Mn.
- Step A A monomer containing a conjugated diene and a vinyl compound represented by the following formula (IX) is polymerized with an alkali metal catalyst in a hydrocarbon solvent, and the monomer unit based on the conjugated diene
- X 4 , X 5 and X 6 each independently represent a group represented by the following formula (IXa), a hydrocarbyl group or a substituted hydrocarbyl group, wherein at least one of X 4 , X 5 and X 6 is And a group represented by the following formula (IXa).
- R 81 and R 82 each independently represent a hydrocarbyl group having 1 to 6 carbon atoms, a substituted hydrocarbyl group having a carbon number of 1-6, a silyl group, or a substituted silyl group, R 81 and R 82 may be bonded to form a ring structure with the nitrogen atom.
- Step B A step of reacting the polymer obtained in Step A with at least one of the modifiers 1 to 5.
- Examples of the alkali metal catalyst used in (Step A) include alkali metals, organic alkali metal compounds, complexes of alkali metals and polar compounds, oligomers having alkali metals, and the like.
- Examples of the alkali metal include lithium, sodium, potassium, rubidium, cesium and the like.
- organic alkali metal compound examples include ethyl lithium, n-propyl lithium, iso-propyl lithium, n-butyl lithium, sec-butyl lithium, t-octyl lithium, n-decyl lithium, phenyl lithium, 2-naphthyl lithium, 2 -Butylphenyllithium, 4-phenylbutyllithium, cyclohexyllithium, 4-cyclopentyllithium, dimethylaminopropyllithium, diethylaminopropyllithium, t-butyldimethylsiloxypropyllithium, N-morpholinopropyllithium, lithium hexamethyleneimide, lithium pyrrole Zido, lithium piperidide, lithium heptamethylene imide, lithium dodecamethylene imide, 1,4-dilithio-2-butene, sodium naphthalenide, sodium Bifenirido, such as potassium napthalenide can be
- Examples of the complex of alkali metal and polar compound include potassium-tetrahydrofuran complex and potassium-diethoxyethane complex.
- Examples of the oligomer having alkali metal include sodium salt of ⁇ -methylstyrene tetramer. Can do. Among these, an organic lithium compound or an organic sodium compound is preferable, and an organic lithium compound or an organic sodium compound having 2 to 20 carbon atoms is more preferable.
- the hydrocarbon solvent used in (Step A) is a solvent that does not deactivate the organic alkali metal compound catalyst, and examples thereof include aliphatic hydrocarbons, aromatic hydrocarbons, and alicyclic hydrocarbons.
- examples of the aliphatic hydrocarbon include propane, n-butane, iso-butane, n-pentane, iso-pentane, n-hexane, propene, 1-butene, iso-butene, trans-2-butene, cis-2- Examples include butene, 1-pentene, 2-pentene, 1-hexene, and 2-hexene.
- examples of the aromatic hydrocarbon include benzene, toluene, xylene, and ethylbenzene.
- examples of the alicyclic hydrocarbon include cyclopentane and cyclohexane. These may be used alone or in combination of two or more. Of these, hydrocarbons having 2 to 12 carbon atoms are preferable.
- a monomer containing a conjugated diene and a vinyl compound represented by the formula (IX) is polymerized, and a conjugated diene polymer having an alkali metal derived from the above-mentioned alkali metal catalyst at the end of the polymer chain.
- the conjugated diene include 1,3-butadiene, isoprene, 1,3-pentadiene, 2,3-dimethyl-1,3-butadiene, and 1,3-hexadiene. Used in combination of more than one species. Of these, 1,3-butadiene and isoprene are preferred from the viewpoint of availability.
- X 4 , X 5 and X 6 in the formula (IX) each independently represent a group represented by the formula (IXa), a hydrocarbyl group or a substituted hydrocarbyl group, and at least one of X 4 , X 5 and X 6 Is a group represented by the formula (IXa).
- R 81 and R 82 of formula (IXa) represent each independently, a hydrocarbyl group having 1 to 6 carbon atoms, a substituted hydrocarbyl group having a carbon number of 1-6, a silyl group, or a substituted silyl group, R 81 And R 82 may combine with each other to form a ring structure together with the nitrogen atom.
- Examples of the hydrocarbyl group having 1 to 6 carbon atoms in R 81 and R 82 include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, tert-butyl group, n- Examples thereof include alkyl groups such as pentyl group, neopentyl group, isopentyl group and n-hexyl group; cycloalkyl groups such as cyclohexyl group; phenyl groups and the like.
- the substituted hydrocarbyl group having 1 to 6 carbon atoms in R 81 and R 82 is at least one group selected from the group consisting of a group having a nitrogen atom, a group having an oxygen atom, and a group having a silicon atom.
- the substituted hydrocarbyl group which has as a substituent can be mention
- Examples of the group having a group having a nitrogen atom as a substituent include dialkylaminoalkyl groups such as a dimethylaminoethyl group and a diethylaminoethyl group.
- Examples of the group having a group having an oxygen atom as a substituent include methoxymethyl Group, alkoxyalkyl group such as methoxyethyl group, ethoxymethyl group, ethoxyethyl group and the like, and groups having a silicon atom as a substituent include trialkylsilylalkyl groups such as trimethylsilylmethyl group, etc. I can give you.
- Examples of the substituted silyl group for R 81 and R 82 include a trialkylsilyl group such as a trimethylsilyl group, a triethylsilyl group, and a t-butyldimethylsilyl group.
- the group to which R 81 and R 82 are bonded is a divalent group having 1 to 12 carbon atoms that may have at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom.
- Group for example, an alkylene group such as a trimethylene group, a tetramethylene group, a pentamethylene group, or a hexamethylene group; an oxydialkylene group such as an oxydiethylene group or an oxydipropylene group; —CH 2 CH 2 —NH—CH 2 — And a nitrogen-containing group such as a group represented by —CH 2 CH 2 —N ⁇ CH—.
- the group to which R 81 and R 82 are bonded is preferably a nitrogen-containing group, a group represented by —CH 2 CH 2 —NH—CH 2 —, a group represented by —CH 2 CH 2 —N ⁇ CH—. Is more preferable.
- the hydrocarbyl group of R 81 and R 82 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, more preferably a methyl group, an ethyl group, an n-propyl group, or an n-butyl group. And the group n-butyl is particularly preferred.
- the substituted hydrocarbyl group for R 81 and R 82 is preferably an alkoxyalkyl group, more preferably an alkoxyalkyl group having 1 to 4 carbon atoms.
- the substituted silyl group for R 81 and R 82 is preferably a trialkylsilyl group, and more preferably a trimethylsilyl group.
- R 81 and R 82 are preferably an alkyl group, an alkoxyalkyl group, a substituted silyl group, or a nitrogen-containing group to which R 81 and R 82 are bonded, more preferably an alkyl group, still more preferably carbon. It is an alkyl group having 1 to 4 atoms, and more preferably a methyl group, an ethyl group, an n-propyl group, or an n-butyl group.
- Examples of the group represented by the formula (IXa) include an acyclic amino group and a cyclic amino group.
- Examples of the acyclic amino group include dimethylamino group, diethylamino group, di (n-propyl) amino group, di (isopropyl) amino group, di (n-butyl) amino group, di (sec-butyl) amino group, di ( dialkylamino groups such as tert-butyl) amino group, di (neopentyl) amino group, ethylmethylamino group; di (methoxymethyl) amino group, di (methoxyethyl) amino group, di (ethoxymethyl) amino group, di ( And di (alkoxyalkyl) amino groups such as ethoxyethyl) amino group; di (trialkylsilyl) amino groups such as di (trimethylsilyl) amino group and di (t-butyldimethylsilyl) amino group.
- Examples of the cyclic amino group include 1-pyrrolidinyl group, 1-piperidino group, 1-hexamethyleneimino group, 1-heptamethyleneimino group, 1-octamethyleneimino group, 1-decamethyleneimino group, 1-dodecamethyleneimino group. And 1-polymethyleneimino group such as a group.
- Examples of the cyclic amino group include 1-imidazolyl group, 4,5-dihydro-1-imidazolyl group, 1-imidazolidinyl group, 1-piperazinyl group, morpholino group and the like.
- the group represented by the formula (IXa) is preferably an acyclic amino group, more preferably a dialkylamino group, and still more preferably a carbon atom number of 1 to 1, in view of economy and availability.
- Examples of the hydrocarbyl group of X 4 to X 6 in the formula (IX) include alkyl groups such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, and tert-butyl group. be able to.
- Examples of the substituted hydrocarbyl group include alkoxyalkyl groups such as a methoxymethyl group, an ethoxymethyl group, a methoxyethyl group, and an ethoxyethyl group.
- the hydrocarbyl group of X 4 to X 6 is preferably an alkyl group, more preferably an alkyl group having 1 to 4 carbon atoms, and still more preferably a methyl group or an ethyl group.
- the substituted hydrocarbyl group of X 4 to X 6 is preferably an alkoxyalkyl group, more preferably an alkoxyalkyl group having 1 to 4 carbon atoms.
- the hydrocarbyl group and substituted hydrocarbyl group of X 4 to X 6 are preferably an alkyl group or an alkoxyalkyl group, and more preferably an alkyl group having 1 to 4 carbon atoms or an alkyl group having 1 to 4 carbon atoms.
- At least one of X 4 , X 5 and X 6 in the formula (IX) is a group represented by the formula (IXa).
- X 4 , X 5 and X 6 are groups represented by the formula (IXa), more preferably two of X 4 , X 5 and X 6 are represented by the formula (IXa) It is a group represented.
- one of X 4 to X 6 is an acyclic amino group represented by the formula (IXa), and two are hydrocarbyl groups or substituted hydrocarbyls.
- the group-containing compound include (dialkylamino) dialkylvinylsilane, ⁇ di (trialkylsilyl) amino ⁇ dialkylvinylsilane, (dialkylamino) dialkoxyalkylvinylsilane, and the like.
- (Dialkylamino) dialkylvinylsilanes include (dimethylamino) dimethylvinylsilane, (ethylmethylamino) dimethylvinylsilane, (diethylamino) dimethylvinylsilane, (ethyl-n-propylamino) dimethylvinylsilane, (ethylisopropylamino) dimethylvinylsilane, ( Di (n-propyl) amino) dimethylvinylsilane, (diisopropylamino) dimethylvinylsilane, (n-butyl-n-propylamino) dimethylvinylsilane, (di (n-butyl) amino) dimethylvinylsilane, (dimethylamino) diethylvinylsilane, (Ethylmethylamino) diethylvinylsilane, (diethylamino) diethyl
- ⁇ Di (trialkylsilyl) amino ⁇ dialkylvinylsilane includes ⁇ di (trimethylsilyl) amino ⁇ dimethylvinylsilane, ⁇ di (t-butyldimethylsilyl) amino ⁇ dimethylvinylsilane, ⁇ di (trimethylsilyl) amino ⁇ diethylvinylsilane, ⁇ di (T-butyldimethylsilyl) amino ⁇ diethylvinylsilane and the like.
- (Dialkylamino) dialkoxyalkylvinylsilane includes (dimethylamino) dimethoxymethylvinylsilane, (dimethylamino) dimethoxyethylvinylsilane, (dimethylamino) diethoxymethylvinylsilane, (dimethylamino) diethoxyethylvinylsilane, (diethylamino) dimethoxymethyl Examples thereof include vinylsilane, (diethylamino) dimethoxyethylvinylsilane, (diethylamino) diethoxymethylvinylsilane, (diethylamino) diethoxyethylvinylsilane, and the like.
- Compounds in which two of X 4 to X 6 are acyclic amino groups represented by the formula (IXa) and one is a hydrocarbyl group or a substituted hydrocarbyl group include bis (dialkylamino) alkylvinylsilane, bis ⁇ di (trialkyl Silyl) amino ⁇ alkylvinylsilane, bis (dialkylamino) alkoxyalkylvinylsilane, and the like.
- Bis (dialkylamino) alkylvinylsilanes include bis (dimethylamino) methylvinylsilane, bis (ethylmethylamino) methylvinylsilane, bis (diethylamino) methylvinylsilane, bis (ethyl-n-propylamino) methylvinylsilane, and bis (ethylisopropyl).
- bis ⁇ di (trialkylsilyl) amino ⁇ alkylvinylsilane examples include bis ⁇ di (trimethylsilyl) amino ⁇ methylvinylsilane, bis ⁇ di (t-butyldimethylsilyl) amino ⁇ methylvinylsilane, bis ⁇ di (trimethylsilyl) amino ⁇ ethyl
- examples thereof include vinyl silane and bis ⁇ di (t-butyldimethylsilyl) amino ⁇ ethyl vinyl silane.
- Bis (dialkylamino) alkoxyalkylvinylsilanes include bis (dimethylamino) methoxymethylvinylsilane, bis (dimethylamino) methoxyethylvinylsilane, bis (dimethylamino) ethoxymethylvinylsilane, bis (dimethylamino) ethoxyethylvinylsilane, and bis (diethylamino).
- Methoxymethylvinylsilane bis (diethylamino) methoxyethylvinylsilane, bis (diethylamino) ethoxymethylvinylsilane, bis (diethylamino) ethoxyethylvinylsilane, and the like.
- Examples of the compound in which three of X 4 to X 6 are acyclic amino groups represented by the formula (IXa) include tri (dialkylamino) vinylsilane.
- tri (dimethylamino) vinylsilane, tri (ethylmethylamino) vinylsilane, tri (diethylamino) vinylsilane, tri (ethylpropylamino) vinylsilane, tri (dipropylamino) vinylsilane, tri (butylpropylamino) vinylsilane Can do.
- Compounds in which two of X 4 to X 6 are cyclic amino groups represented by the formula (IXa) and one is a hydrocarbyl group or a substituted hydrocarbyl group include bis (morpholino) methylvinylsilane, bis (piperidino) methylvinylsilane, bis (4,5-dihydroimidazolyl) methylvinylsilane, bis (hexamethyleneimino) methylvinylsilane and the like can be mentioned.
- X 4 is a group represented by 2 Exemplary ethynylphenylbiadamantane derivatives (IXa) of X 6, preferably, two of the non-cyclic X 4, X 5 and X 6
- bis (diethylamino) methylvinylsilane and bis (di (n-butyl) amino) methylvinylsilane are preferable from the viewpoint of availability
- another monomer may be combined with the conjugated diene and the vinyl compound represented by the formula (IX) for polymerization.
- examples of other monomers include aromatic vinyl, vinyl nitrile, and unsaturated carboxylic acid ester.
- aromatic vinyl include styrene, ⁇ -methylstyrene, vinyl toluene, vinyl naphthalene, divinyl benzene, trivinyl benzene, and divinyl naphthalene.
- the vinyl nitrile include acrylonitrile
- examples of the unsaturated carboxylic acid ester include methyl acrylate, ethyl acrylate, methyl methacrylate, and ethyl methacrylate.
- aromatic vinyl is preferable, and styrene is more preferable.
- Polymerization in (Step A) is an agent that adjusts the vinyl bond amount of the conjugated diene unit, and an agent that adjusts the distribution of constituent units based on monomers other than the conjugated diene unit and the conjugated diene in the conjugated diene polymer chain. (Hereinafter collectively referred to as “regulator”) or the like.
- regulatory include ether compounds, tertiary amines, and phosphine compounds.
- the ether compound examples include cyclic ethers such as tetrahydrofuran, tetrahydropyran, and 1,4-dioxane; aliphatic monoethers such as diethyl ether and dibutyl ether; ethylene glycol dimethyl ether, ethylene glycol diethyl ether, ethylene glycol dibutyl ether, and diethylene glycol diethyl ether. And aliphatic diethers such as diethylene glycol dibutyl ether; aromatic ethers such as diphenyl ether and anisole.
- cyclic ethers such as tetrahydrofuran, tetrahydropyran, and 1,4-dioxane
- aliphatic monoethers such as diethyl ether and dibutyl ether
- ethylene glycol dimethyl ether ethylene glycol diethyl ether
- ethylene glycol dibutyl ether ethylene glycol dibutyl ether
- Examples of the tertiary amine include triethylamine, tripropylamine, tributylamine, N, N, N ′, N′-tetramethylethylenediamine, N, N-diethylaniline, pyridine, quinoline and the like.
- Examples of the phosphine compound include trimethylphosphine, triethylphosphine, triphenylphosphine, and the like. These may be used alone or in combination of two or more.
- the polymerization temperature in (Step A) is usually 25 to 100 ° C., preferably 35 to 90 ° C. More preferably, it is 50 to 80 ° C.
- the polymerization time is usually 10 minutes to 5 hours.
- the amount of modifiers 1 to 5 to be brought into contact with the polymer prepared in Step A is usually 0.1 to 3 moles per mole of alkali metal derived from the organic alkali metal catalyst, preferably Is 0.5 to 2 moles, more preferably 0.7 to 1.5 moles, and still more preferably 1 to 1.5 moles.
- the temperature at which the polymer prepared in Step A is brought into contact with at least one of the modifiers 1 to 5 is usually 25 to 100 ° C., preferably 35 to 90 ° C. More preferably, it is 50 to 80 ° C.
- the contact time is usually 60 seconds to 5 hours, preferably 5 minutes to 1 hour, more preferably 15 minutes to 1 hour.
- a coupling agent may be added to the hydrocarbon solution of the conjugated diene polymer in the polymerization termination from the start of polymerization of the monomer using an alkali metal catalyst, if necessary.
- the coupling agent include compounds represented by the following formula (X).
- R 91 a ML 4-a (X) [Wherein R 91 represents an alkyl group, an alkenyl group, a cycloalkenyl group or an aromatic residue, M represents a silicon atom or a tin atom, L represents a halogen atom or a hydrocarbyloxy group, and a represents 0 to 2 Represents an integer. ]
- the aromatic residue represents a monovalent group obtained by removing hydrogen bonded to an aromatic ring from an aromatic hydrocarbon.
- silicon tetrachloride methyltrichlorosilane, dimethyldichlorosilane, trimethylchlorosilane, tin tetrachloride, methyltrichlorotin, dimethyldichlorotin, trimethylchlorotin, tetramethoxysilane, methyl Examples include trimethoxysilane, dimethoxydimethylsilane, methyltriethoxysilane, ethyltrimethoxysilane, dimethoxydiethylsilane, diethoxydimethylsilane, tetraethoxysilane, ethyltriethoxysilane, and diethoxydiethylsilane.
- the addition amount of the coupling agent is preferably 0.03 mol or more, more preferably 0.05 mol or more, from the viewpoint of processability of the conjugated diene polymer per 1 mol of alkali metal derived from the alkali metal catalyst. is there. Moreover, from a viewpoint of low fuel consumption, Preferably it is 0.4 mol or less, More preferably, it is 0.3 mol or less.
- Conjugated diene polymers can be collected by known recovery methods, for example, (1) a method of adding a coagulant to a hydrocarbon solution of a conjugated diene polymer, and (2) adding steam to a hydrocarbon solution of a conjugated diene polymer.
- the conjugated diene polymer can be recovered from the hydrocarbon solution.
- the recovered conjugated diene polymer may be dried by a known dryer such as a band dryer or an extrusion dryer.
- the treatment may be carried out in polymer alone state may be performed in a state of a composition as described below.
- Examples of the hydrolysis method include known methods such as a method by steam stripping.
- the conjugated diene polymer can be used in the rubber composition of the present invention as a rubber component, and is preferably used in combination with other rubber components and additives.
- general diene rubbers can be used, for example, styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), butadiene-isoprene copolymer rubber, butyl rubber and the like. I can give you.
- natural rubber (NR), ethylene-propylene copolymer, ethylene-octene copolymer and the like can also be mentioned. Two or more of these rubber components may be used in combination.
- NR and / or BR it is preferable to use NR and / or BR, and it is more preferable to use both components of NR and BR from the point that low-fuel-consumption property, wet grip performance, and abrasion resistance can be improved with good balance.
- the content of the conjugated diene polymer in 100% by mass of the rubber component is 5% by mass or more, preferably 10% by mass or more, more preferably 30% by mass or more, and further preferably 50% by mass or more.
- the content of the conjugated diene polymer is preferably 90% by mass or less, more preferably 85% by mass or less, still more preferably 80% by mass or less, and particularly preferably 70% by mass or less.
- the content of the conjugated diene polymer exceeds 90% by mass, the wear resistance is lowered and the cost tends to be high.
- the NR is not particularly limited, and for example, those commonly used in the tire industry such as SIR20, RSS # 3, TSR20, deproteinized natural rubber (DPNR), and high-purity natural rubber (HPNR) can be used.
- the content of NR in 100% by mass of the rubber component is preferably 5% by mass or more, more preferably 10% by mass or more, and further preferably 15% by mass or more. If it is less than 5% by mass, the wear resistance tends to decrease.
- the NR content is preferably 70% by mass or less, more preferably 60% by mass or less, and still more preferably 30% by mass or less. If it exceeds 70% by mass, the wet grip performance tends to decrease.
- the BR is not particularly limited.
- Commonly used in the tire industry such as BR containing syndiotactic polybutadiene crystals can be used.
- the content of BR in 100% by mass of the rubber component is preferably 5% by mass or more, more preferably 10% by mass or more, and further preferably 15% by mass or more. If it is less than 5% by mass, the wear resistance tends to decrease.
- the BR content is preferably 60% by mass or less, more preferably 50% by mass or less, and still more preferably 30% by mass or less. If it exceeds 60% by mass, the wet grip performance tends to decrease.
- the total content of NR and BR in 100% by mass of the rubber component is preferably 10% by mass or more, more preferably 20% by mass or more, and further preferably 30% by mass or more. If it is less than 10% by mass, the wear resistance tends to decrease.
- the total content is preferably 70% by mass or less, more preferably 50% by mass or less. If it exceeds 70% by mass, the wet grip performance tends to decrease.
- a compound represented by the following formula (1) is used as a crosslinking agent.
- E represents an alkylene group having 2 to 10 carbon atoms
- R 101 and R 102 are the same or different and each represents a monovalent organic group containing a nitrogen atom.
- the alkylene group for E is not particularly limited, and includes linear, branched, and cyclic groups. Among them, a linear alkylene group is preferable.
- the alkylene group of E has 2 to 10 carbon atoms, preferably 4 to 8 carbon atoms. If the alkylene group has 1 carbon atom, the thermal stability is poor, and the effect of having an alkylene group tends to be insufficient, and if it has 11 or more carbon atoms, —S—S—E—S— There is a tendency that formation of a crosslinked chain represented by S- becomes difficult.
- alkylene group satisfying the above conditions examples include ethylene group, trimethylene group, tetramethylene group, pentamethylene group, hexamethylene group, heptamethylene group, octamethylene group, decamethylene group and the like.
- a hexamethylene group is preferable because a cross-link represented by —S—S—E—S—S— is smoothly formed between the polymers and is thermally stable.
- R 101 and R 102 are not particularly limited as long as they are monovalent organic groups containing a nitrogen atom, but those containing at least one aromatic ring are preferred, and N—C ( ⁇ S More preferably, it contains a linking group represented by-.
- R 101 and R 102 may be the same or different from each other, but are preferably the same for reasons such as ease of production.
- Examples of the compound represented by the formula (1) include 1,2-bis (N, N′-dibenzylthiocarbamoyldithio) ethane and 1,3-bis (N, N′-dibenzylthiocarbamoyldithio).
- the content of the compound represented by the formula (1) is preferably 0.5 parts by mass or more, more preferably 1 part by mass or more, still more preferably 1.5 parts by mass or more, with respect to 100 parts by mass of the rubber component. Particularly preferably, it is 5 parts by mass or more. Suitable lower limits of the content include 6 parts by mass or more, 7 parts by mass or more, 8 parts by mass or more, and 10 parts by mass or more. If it is less than 0.5 part by mass, the effect of adding the compound represented by formula (1) may not be sufficiently obtained.
- the content is preferably 23 parts by mass or less, more preferably 20 parts by mass or less, still more preferably 18 parts by mass or less, and particularly preferably 15 parts by mass or less.
- a preferable upper limit of the content is 12 parts by mass or less. If it exceeds 23 parts by mass, the wear resistance and rubber strength may be deteriorated.
- the rubber composition of the present invention contains silica.
- silica By blending silica together with the conjugated diene polymer and the compound represented by the above formula (1), low fuel consumption, wet grip performance and wear resistance can be improved in a well-balanced manner.
- the silica is not particularly limited, and examples thereof include dry process silica (anhydrous silica), wet process silica (hydrous silica), and wet process silica is preferable because of its large number of silanol groups.
- Silica may be used alone or in combination of two or more.
- the content of silica is 5 parts by mass or more, preferably 10 parts by mass or more, more preferably 45 parts by mass or more with respect to 100 parts by mass of the rubber component.
- content of a silica is 150 mass parts or less, Preferably it is 120 mass parts or less, More preferably, it is 100 mass parts or less. If it exceeds 150 parts by mass, the workability tends to deteriorate.
- the content of silica in a total of 100% by mass of silica and carbon black is preferably 60% by mass or more, more preferably 85% by mass or more, preferably 98% by mass or less, more preferably 95% by mass or less. . If it is in the said range, low-fuel-consumption property, wet-grip performance, and abrasion resistance can be improved with a high dimension in a well-balanced manner.
- the nitrogen adsorption specific surface area (N 2 SA) of silica is preferably 40 m 2 / g or more, more preferably 50 m 2 / g or more, still more preferably 60 m 2 / g or more, and particularly preferably 150 m 2 / g or more. Yes, preferably 400 m 2 / g or less, more preferably 360 m 2 / g or less, still more preferably 300 m 2 / g or less, particularly preferably 200 m 2 / g or less.
- Silica having a nitrogen adsorption specific surface area of less than 40 m 2 / g has a small reinforcing effect and tends to have low wear resistance, and silica having a nitrogen adsorption specific surface area of more than 400 m 2 / g has poor dispersibility, increases hysteresis loss, and lowers fuel efficiency.
- the nitrogen adsorption specific surface area of silica is a value measured by the BET method according to ASTM D3037-81.
- silane coupling agent examples include sulfide, mercapto, vinyl, amino, glycidoxy, nitro, and chloro silane coupling agents.
- sulfides such as bis (3-triethoxysilylpropyl) tetrasulfide, bis (2-triethoxysilylethyl) tetrasulfide, bis (3-triethoxysilylpropyl) disulfide, and bis (2-triethoxysilylethyl) disulfide
- the system is preferred, and bis (3-triethoxysilylpropyl) tetrasulfide is more preferred.
- the content of the silane coupling agent is preferably 1 part by mass or more, more preferably 2 parts by mass or more, further preferably 3 parts by mass or more, and particularly preferably 4 parts by mass or more with respect to 100 parts by mass of silica.
- the content may be 8 parts by mass or more. If it is less than 1 part by mass, the viscosity of the unvulcanized rubber composition is high, and the processability tends to deteriorate.
- the content of the silane coupling agent is preferably 20 parts by mass or less, more preferably 15 parts by mass or less, and still more preferably 10 parts by mass or less. When it exceeds 20 parts by mass, there is a tendency that an effect commensurate with the increase in cost cannot be obtained.
- additives can be used, such as sulfur vulcanizing agents; thiazole vulcanization accelerators, thiuram vulcanization accelerators, sulfenamide vulcanization accelerators, guanidine vulcanization accelerators.
- Vulcanization accelerators such as stearic acid and zinc oxide; organic peroxides; fillers such as carbon black, calcium carbonate, talc, alumina, clay, aluminum hydroxide and mica; Examples include processing aids such as lubricants; anti-aging agents.
- sulfur examples include powdered sulfur, precipitated sulfur, colloidal sulfur, insoluble sulfur, and highly dispersible sulfur. These can be used alone or in combination of two or more.
- the sulfur content is preferably 0.1 parts by mass or more, more preferably 0.15 parts by mass or more, still more preferably 0.2 parts by mass or more, and particularly preferably 0.3 parts by mass with respect to 100 parts by mass of the rubber component. More than part by mass.
- the content may be 0.5 parts by mass or more. If it is less than 0.1 parts by mass, the vulcanization rate will be slow, and the productivity may be deteriorated.
- the content is preferably 7 parts by mass or less, more preferably 1.5 parts by mass or less, and still more preferably 1 part by mass or less. If it exceeds 7 parts by mass, the rubber physical property change after aging may be increased.
- the total content of sulfur and the compound represented by the formula (1) is preferably 0.6 parts by mass or more with respect to 100 parts by mass of the rubber component. Preferably it is 1 mass part or more, More preferably, it is 1.5 mass part or more, Most preferably, it is 5 mass part or more.
- the total content may be 5.5 parts by mass or more, 6 parts by mass or more, 7 parts by mass or more, and 10 parts by mass or more.
- the total content is preferably 25 parts by mass or less, more preferably 24 parts by mass or less, still more preferably 22 parts by mass or less, and particularly preferably 20 parts by mass or less.
- the total content may be 18 parts by mass or less, 15 parts by mass or less, or 12 parts by mass or less.
- Examples of the carbon black include furnace black (furness carbon black) such as SAF, ISAF, HAF, MAF, FEF, SRF, GPF, APF, FF, CF, SCF and ECF; acetylene black (acetylene carbon black); FT and Examples thereof include thermal black (thermal carbon black) such as MT; channel black (channel carbon black) such as EPC, MPC and CC; graphite and the like. These can be used alone or in combination of two or more.
- the content of carbon black is preferably 1 part by mass or more, more preferably 3 parts per 100 parts by mass of the rubber component from the viewpoint that fuel economy, wet grip performance and wear resistance can be improved in a high-dimensional and well-balanced manner. It is at least part by mass, preferably at most 60 parts by mass, more preferably at most 50 parts by mass, even more preferably at most 30 parts by mass, particularly preferably at most 10 parts by mass.
- Nitrogen adsorption specific surface area (N 2 SA) of carbon black is preferably 5 m 2 / g or more, more preferably 30 m 2 / g or more, more preferably 50 m 2 / g or more, particularly preferably be 70m 2 / g or more , Preferably 250 m 2 / g or less, more preferably 200 m 2 / g or less, still more preferably 150 m 2 / g or less.
- Carbon black has a dibutyl phthalate (DBP) absorption amount of preferably 5 ml / 100 g or more, more preferably 80 ml / 100 g or more, preferably 300 ml / 100 g or less, more preferably 180 ml / 100 g or less.
- DBP dibutyl phthalate
- the nitrogen adsorption specific surface area is measured according to ASTM D4820-93, and the DBP absorption is measured according to ASTM D2414-93.
- Tokai Carbon Co., Ltd. product name Siest 6 and Sieist 7HM, Sieist KH, Evonik Degussa Co., Ltd. product name CK3, Special Black 4A, etc. can be used.
- the extending oil examples include aromatic mineral oil (viscosity specific gravity constant (VGC value) 0.900 to 1.049), naphthenic mineral oil (VGC value 0.850 to 0.899), paraffinic mineral oil (VG value 0.790 to 0.849), and the like.
- the polycyclic aromatic content of the extender oil is preferably less than 3% by mass, more preferably less than 1% by mass.
- the polycyclic aromatic content is measured according to the British Petroleum Institute 346/92 method.
- the aromatic compound content (CA) of the extending oil is preferably 20% by mass or more.
- These extending oils may be used in combination of two or more.
- vulcanization accelerator examples include thiazole vulcanization accelerators such as 2-mercaptobenzothiazole, dibenzothiazyl disulfide, and N-cyclohexyl-2-benzothiazylsulfenamide; tetramethylthiuram monosulfide, tetramethylthiuram Thiuram vulcanization accelerators such as disulfides; N-cyclohexyl-2-benzothiazole sulfenamide, Nt-butyl-2-benzothiazole sulfenamide, N-oxyethylene-2-benzothiazole sulfenamide, N -Sulfenamide vulcanization accelerators such as oxyethylene-2-benzothiazole sulfenamide and N, N'-diisopropyl-2-benzothiazole sulfenamide; diphenylguanidine, diortolylguanidine, orthotolylbiguanidine What guanidine-based
- a known method for example, using a known mixer such as a roll or a banbury for each component.
- a kneading method can be used.
- the kneading temperature is usually 50 to 200 ° C., preferably 80 to 190 ° C., and the kneading time is usually 30 seconds. -30 minutes, and preferably 1-30 minutes.
- the kneading temperature is usually 100 ° C. or lower, preferably room temperature to 80 ° C.
- a composition containing a vulcanizing agent and a vulcanization accelerator is usually used after vulcanization treatment such as press vulcanization.
- the vulcanization temperature is usually 120 to 200 ° C, preferably 140 to 180 ° C.
- the rubber composition of the present invention is excellent in the balance of low fuel consumption, wet grip performance and wear resistance, and can achieve a remarkable improvement effect of these performances.
- the rubber composition of the present invention can be suitably used for each member of a tire, and can be particularly suitably used for a tread.
- the pneumatic tire of the present invention is produced by a usual method using the rubber composition. That is, a rubber composition containing various additives as necessary is extruded according to the shape of the tread of the tire at an unvulcanized stage, and molded by a normal method on a tire molding machine, Laminate together with other tire members to form an unvulcanized tire. This unvulcanized tire can be heated and pressurized in a vulcanizer to produce the pneumatic tire of the present invention.
- the pneumatic tire of the present invention can be suitably used as a tire for passenger cars and a tire for trucks and buses (heavy load tire).
- the present invention will be described by way of examples.
- the physical properties were evaluated by the following method.
- the reference comparative example in Table 6 is Comparative Example 3
- the reference comparative example in Tables 7 to 8 is Comparative Example 8
- the reference comparative example in Tables 9 to 10 is Comparative Example 29
- the reference comparison in Table 11 The example is Comparative Example 37
- the reference comparative example in Table 12 is Comparative Example 40.
- Vinyl bond amount (unit: mol%) The amount of vinyl bonds in the polymer was determined from the absorption intensity near 910 cm ⁇ 1, which is the absorption peak of the vinyl group, by infrared spectroscopy.
- Styrene unit content (unit: mass%) According JIS K6383 (1995), was determined styrene unit content of the polymer from the refractive index.
- tan ⁇ A strip-shaped test piece having a width of 1 mm or 2 mm and a length of 40 mm was punched out from the sheet-like vulcanized rubber composition and subjected to the test. Using a spectrometer manufactured by Ueshima Seisakusho, tan ⁇ was measured at a dynamic strain amplitude of 1%, a frequency of 10 Hz, and a temperature of 50 ° C. The reciprocal value of tan ⁇ was expressed as an index with the reference comparative example being 100. Larger values indicate lower rolling resistance and better fuel efficiency.
- Abrasion resistance 1 Using a LAT tester (Laboratory Abbreviation and Skid Tester), the volume loss of each vulcanized rubber composition was measured under the conditions of a load of 50 N, a speed of 20 km / h, and a slip angle of 5 °.
- the numerical value (1 index of wear resistance) in the table is a relative value when the volume loss amount of the reference comparative example is 100. The larger the value, the better the wear resistance.
- Abrasion resistance 2 The manufactured test tire was mounted on all wheels of a vehicle (domestic FF2000cc) and traveled on an actual vehicle, and changes in the groove depth of the tread pattern before and after traveling 35,000 km were measured. And the abrasion resistance 2 index
- (Wear resistance 2 index) (Change in groove depth of reference comparative example) / (Change in groove depth of each composition) ⁇ 100
- Production Example 1 (Synthesis of Polymer 1) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 11.1 mmol of 3-diethylaminopropyltriethoxysilane was added and stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- the monomer was continuously fed into the polymerization reactor.
- the amount of 1,3-butadiene supplied was 205 g
- the amount of styrene supplied was 65 g.
- 2.8 mmol of bis (diethylamino) methylvinylsilane as a cyclohexane solution was added into the polymerization reactor under a stirring speed of 130 rpm and a polymerization reactor internal temperature of 65 ° C. and stirred for 30 minutes. .
- 20 ml of a hexane solution containing 0.14 ml of methanol was put into the polymerization reactor, and the polymer solution was stirred for 5 minutes.
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- 1,3-butadiene and styrene were copolymerized for 3 hours while continuously supplying the monomer into the polymerization reactor.
- the amount of 1,3-butadiene supplied in the entire polymerization was 821 g
- the amount of styrene supplied was 259 g.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 11.1 mmol of 3-diethylaminopropyltriethoxysilane was added and stirred for 15 minutes. 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 11.1 mmol of 3-diethylaminopropyltriethoxysilane was added and stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the evaluation results of the polymer 6 are shown in Table 1.
- the content of the structural unit represented by the formula (I) in the polymer calculated from the input amount and the supply amount of the raw material into the polymerization reactor is 0.006 mmol / g polymer per polymer unit mass. there were.
- Production Example 7 (Synthesis of Polymer 7) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- the obtained polymer solution was stirred at a stirring rate of 130 rpm, 11.0 mmol of 1,3-dimethyl-2-imidazolidinone was added, and the mixture was stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- Production Example 8 (Synthesis of Polymer 8) 5.
- the inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6.
- 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- 12.9 mmol of n-butyllithium was added as an n-hexane solution, and 1,3-butadiene and styrene were copolymerized for 0.83 hours.
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- the monomer was continuously fed into the polymerization reactor.
- 11.0 mmol of bis (diethylamino) methylvinylsilane was added as a cyclohexane solution, and the mixture was charged into the polymerization reactor under the conditions of a stirring speed of 130 rpm and a polymerization reactor temperature of 65 ° C.
- the monomer was continuously supplied into the polymerization reactor, and 1,3-butadiene and styrene were copolymerized for 1.67 hours.
- the amount of 1,3-butadiene supplied in the entire polymerization was 821 g, and the amount of styrene supplied was 259 g.
- the obtained polymer solution was stirred at a stirring rate of 130 rpm, 11.0 mmol of 1,3-dimethyl-2-imidazolidinone was added, and the mixture was stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- Production Example 9 (Synthesis of Polymer 9) 5.
- the inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6.
- 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- 13.7 mmol of n-butyllithium was added as an n-hexane solution, and 1,3-butadiene and styrene were copolymerized for 1 hour.
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- the monomer was continuously fed into the polymerization reactor.
- 11.0 mmol of bis (diethylamino) methylvinylsilane was added as a cyclohexane solution, and the mixture was charged into the polymerization reactor under the conditions of a stirring speed of 130 rpm and a polymerization reactor temperature of 65 ° C.
- the monomer was continuously fed into the polymerization reactor, and 1,3-butadiene and styrene were copolymerized for 0.5 hour.
- the stirring speed was 130 rpm, and the temperature in the polymerization reactor was 65 ° C.
- 11.0 mmol of bis (diethylamino) methylvinylsilane was added as a cyclohexane solution, and the mixture was charged into the polymerization reactor under the conditions of a stirring speed of 130 rpm and a polymerization reactor internal temperature of 65 ° C.
- the monomer was continuously fed into the polymerization reactor, and 1,3-butadiene and styrene were copolymerized for 0.5 hour.
- the stirring speed was 130 rpm, and the temperature in the polymerization reactor was 65 ° C.
- the amount of 1,3-butadiene supplied in the entire polymerization was 821 g, and the amount of styrene supplied was 259 g.
- the obtained polymer solution was stirred at a stirring rate of 130 rpm, 11.0 mmol of 1,3-dimethyl-2-imidazolidinone was added, and the mixture was stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- Production Example 10 (Synthesis of Polymer 10) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, 11.0 mmol of 1-phenyl-2-pyrrolidone was added, and the mixture was stirred for 15 minutes. 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- the monomer was continuously fed into the polymerization reactor.
- 11.0 mmol of bis (diethylamino) methylvinylsilane was added as a cyclohexane solution, and the mixture was charged into the polymerization reactor under the conditions of a stirring speed of 130 rpm and a polymerization reactor temperature of 65 ° C.
- the monomer was continuously fed into the polymerization reactor, and 1,3-butadiene and styrene were copolymerized for 0.5 hour.
- the stirring speed was 130 rpm, and the temperature in the polymerization reactor was 65 ° C.
- 11.0 mmol of bis (diethylamino) methylvinylsilane was added as a cyclohexane solution, and the mixture was charged into the polymerization reactor under the conditions of a stirring speed of 130 rpm and a polymerization reactor internal temperature of 65 ° C.
- the monomer was continuously fed into the polymerization reactor, and 1,3-butadiene and styrene were copolymerized for 0.5 hour.
- the stirring speed was 130 rpm, and the temperature in the polymerization reactor was 65 ° C.
- the amount of 1,3-butadiene supplied in the entire polymerization was 821 g, and the amount of styrene supplied was 259 g.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, 11.0 mmol of 1-phenyl-2-pyrrolidone was added, and the mixture was stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- Production Example 12 (Synthesis of Polymer 12) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, 11.0 mmol of N-methyl- ⁇ -caprolactam was added, and the mixture was stirred for 15 minutes. 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- the monomer was continuously fed into the polymerization reactor.
- 11.0 mmol of bis (diethylamino) methylvinylsilane was added as a cyclohexane solution, and the mixture was charged into the polymerization reactor under the conditions of a stirring speed of 130 rpm and a polymerization reactor temperature of 65 ° C.
- the monomer was continuously fed into the polymerization reactor, and 1,3-butadiene and styrene were copolymerized for 0.5 hour.
- the stirring speed was 130 rpm, and the temperature in the polymerization reactor was 65 ° C.
- 11.0 mmol of bis (diethylamino) methylvinylsilane was added as a cyclohexane solution, and the mixture was charged into the polymerization reactor under the conditions of a stirring speed of 130 rpm and a polymerization reactor internal temperature of 65 ° C.
- the monomer was continuously fed into the polymerization reactor, and 1,3-butadiene and styrene were copolymerized for 0.5 hour.
- the stirring speed was 130 rpm, and the temperature in the polymerization reactor was 65 ° C.
- the amount of 1,3-butadiene supplied in the entire polymerization was 821 g, and the amount of styrene supplied was 259 g.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, 11.0 mmol of N-methyl- ⁇ -caprolactam was added, and the mixture was stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- Production Example 14 (Synthesis of Polymer 14) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- the obtained polymer solution was stirred at a stirring rate of 130 rpm, and 11.8 mmol of 4,4′-bis (diethylamino) benzophenone was added and stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 12.2 mmol of 4 ′-(imidazol-1-yl) -acetophenone was added and stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- the monomer was continuously fed into the polymerization reactor.
- the amount of 1,3-butadiene supplied was 205 g
- the amount of styrene supplied was 65 g.
- 2.8 mmol of bis (diethylamino) methylvinylsilane as a cyclohexane solution was added into the polymerization reactor under a stirring speed of 130 rpm and a polymerization reactor internal temperature of 65 ° C. and stirred for 30 minutes. .
- 20 ml of a hexane solution containing 0.14 ml of methanol was put into the polymerization reactor, and the polymer solution was stirred for 5 minutes.
- Production Example 17 (Synthesis of Polymer 17) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- 1,3-butadiene and styrene were copolymerized for 3 hours while continuously supplying the monomer into the polymerization reactor.
- the amount of 1,3-butadiene supplied in the entire polymerization was 821 g
- the amount of styrene supplied was 259 g.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 11.0 mmol of 1,3-dimethyl-2-imidazolidinone was added and stirred for 15 minutes. 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 11.0 mmol of 1,3-dimethyl-2-imidazolidinone was added and stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the evaluation results of the polymer 20 are shown in Table 2.
- the content of the structural unit represented by the formula (I) in the polymer calculated from the input amount and the supply amount of the raw material into the polymerization reactor is 0.006 mmol / g polymer per polymer unit mass. there were.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 10.5 mmol of N- (3-dimethylaminopropyl) acrylamide was added and stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- the monomer was continuously fed into the polymerization reactor.
- 10.5 mmol of bis (diethylamino) methylvinylsilane was added as a cyclohexane solution, and the mixture was charged into the polymerization reactor under the conditions of a stirring speed of 130 rpm and a polymerization reactor temperature of 65 ° C.
- the monomer was continuously supplied into the polymerization reactor, and 1,3-butadiene and styrene were copolymerized for 1.67 hours.
- the stirring speed was 130 rpm, and the temperature in the polymerization reactor was 65 ° C.
- the amount of 1,3-butadiene supplied in the entire polymerization was 821 g, and the amount of styrene supplied was 259 g.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 10.5 mmol of N- (3-dimethylaminopropyl) acrylamide was added and stirred for 15 minutes. 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the amount of 1,3-butadiene supplied in the entire polymerization was 821 g, and the amount of styrene supplied was 259 g.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 10.5 mmol of N- (3-dimethylaminopropyl) acrylamide was added and stirred for 15 minutes.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 10.5 mmol of N- (3-dimethylaminopropyl) acrylamide was added and stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- the monomer was continuously fed into the polymerization reactor.
- the amount of 1,3-butadiene supplied was 205 g
- the amount of styrene supplied was 65 g.
- 2.8 mmol of bis (diethylamino) methylvinylsilane as a cyclohexane solution was added into the polymerization reactor under a stirring speed of 130 rpm and a polymerization reactor internal temperature of 65 ° C. and stirred for 30 minutes. .
- 20 ml of a hexane solution containing 0.14 ml of methanol was put into the polymerization reactor, and the polymer solution was stirred for 5 minutes.
- Production Example 26 (Synthesis of Polymer 26) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- Production Example 27 (Synthesis of Polymer 27) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor. Next, 14.9 mmol of n-butyllithium was added as an n-hexane solution to initiate polymerization.
- hexane specific gravity 0.68 g / cm 3
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- 1,3-butadiene and styrene were copolymerized for 3 hours while continuously supplying the monomer into the polymerization reactor.
- the amount of 1,3-butadiene supplied in the entire polymerization was 821 g
- the amount of styrene supplied was 259 g.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 10.5 mmol of N- (3-dimethylaminopropyl) acrylamide was added and stirred for 15 minutes. 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- Production Example 28 (Synthesis of Polymer 28) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor. Next, 14.9 mmol of n-butyllithium was added as an n-hexane solution to initiate polymerization.
- hexane specific gravity 0.68 g / cm 3
- Production Example 29 (Synthesis of Polymer 29) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- hexane specific gravity 0.68 g / cm 3
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 10.5 mmol of N- (3-dimethylaminopropyl) acrylamide was added and stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the evaluation results of the polymer 29 are shown in Table 3.
- the content of the structural unit represented by the formula (I) in the polymer calculated from the input amount and the supply amount of the raw material into the polymerization reactor is 0.006 mmol / g polymer per polymer unit mass. there were.
- Production Example 30 (Synthesis of Polymer 30) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 4.0 mmol of 1,3,5-tris (3-trimethoxysilylpropyl) isocyanurate was added and stirred for 15 minutes.
- 20 ml of hexane solution containing 0.80 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- the monomer was continuously fed into the polymerization reactor.
- 14.4 mmol of bis (diethylamino) methylvinylsilane was added as a cyclohexane solution, and the mixture was charged into the polymerization reactor under the conditions of a stirring speed of 130 rpm and a polymerization reactor temperature of 65 ° C.
- the monomer was continuously fed into the polymerization reactor, and 1,3-butadiene and styrene were copolymerized for 0.5 hour.
- the stirring speed was 130 rpm, and the temperature in the polymerization reactor was 65 ° C.
- 14.4 mmol of bis (diethylamino) methylvinylsilane was added as a cyclohexane solution, and the mixture was charged into the polymerization reactor under the conditions of a stirring speed of 130 rpm and a polymerization reactor internal temperature of 65 ° C.
- the monomer was continuously fed into the polymerization reactor, and 1,3-butadiene and styrene were copolymerized for 0.5 hour.
- the stirring speed was 130 rpm, and the temperature in the polymerization reactor was 65 ° C.
- the amount of 1,3-butadiene supplied in the entire polymerization was 821 g, and the amount of styrene supplied was 259 g.
- the obtained polymer solution was stirred at a stirring rate of 130 rpm, and 3.6 mmol of 1,3,5-tris (3-trimethoxysilylpropyl) isocyanurate was added and stirred for 15 minutes.
- 20 ml of hexane solution containing 0.80 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 4.0 mmol of 1,3,5-tris (3-trimethoxysilylpropyl) isocyanurate was added and stirred for 15 minutes.
- 20 ml of hexane solution containing 0.80 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the evaluation results of the polymer 32 are shown in Table 4.
- the content of the structural unit represented by the formula (I) in the polymer calculated from the input amount and the supply amount of the raw material into the polymerization reactor is 0.009 mmol / g polymer per polymer unit mass. there were.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, and 4.0 mmol of 3- (methoxy) propyltrimethoxysilane was added and stirred for 15 minutes.
- 20 ml of hexane solution containing 0.80 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- Production Example 35 (Synthesis of Polymer 35) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, 11.5 mmol of N, N-dimethylformamide dimethyl acetal was added, and the mixture was stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the stirring speed was 130 rpm
- the temperature in the polymerization reactor was 65 ° C.
- the monomer was continuously fed into the polymerization reactor.
- 11.0 mmol of bis (diethylamino) methylvinylsilane was added as a cyclohexane solution, and the mixture was charged into the polymerization reactor under the conditions of a stirring speed of 130 rpm and a polymerization reactor temperature of 65 ° C.
- the monomer was continuously fed into the polymerization reactor, and 1,3-butadiene and styrene were copolymerized for 0.5 hour.
- the stirring speed was 130 rpm, and the temperature in the polymerization reactor was 65 ° C.
- 11.0 mmol of bis (diethylamino) methylvinylsilane was added as a cyclohexane solution, and the mixture was charged into the polymerization reactor under the conditions of a stirring speed of 130 rpm and a polymerization reactor internal temperature of 65 ° C.
- the monomer was continuously fed into the polymerization reactor, and 1,3-butadiene and styrene were copolymerized for 0.5 hour.
- the stirring speed was 130 rpm, and the temperature in the polymerization reactor was 65 ° C.
- the amount of 1,3-butadiene supplied in the entire polymerization was 821 g, and the amount of styrene supplied was 259 g.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, 11.0 mmol of N, N-dimethylformamide dimethylacetal was added, and the mixture was stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- Production Example 37 (Synthesis of Polymer 37) 5. The inside of a stainless steel polymerization reactor having an internal volume of 20 liters was washed, dried, and replaced with dry nitrogen, and hexane (specific gravity 0.68 g / cm 3 ) 10.2 kg, 1,3-butadiene 547 g, styrene 173 g, tetrahydrofuran 6. 1 ml and ethylene glycol diethyl ether 5.0 ml were charged into the polymerization reactor.
- the obtained polymer solution was stirred at a stirring speed of 130 rpm, 11.5 mmol of N, N-dimethylformamide dimethyl acetal was added, and the mixture was stirred for 15 minutes.
- 20 ml of hexane solution containing 0.54 ml of methanol was added to the polymer solution, and the polymer solution was further stirred for 5 minutes.
- the evaluation results of the polymer 37 are shown in Table 5.
- the content of the structural unit represented by the formula (I) in the polymer calculated from the input amount and the supply amount of the raw material into the polymerization reactor is 0.006 mmol / g polymer per polymer unit mass. there were.
- Natural rubber RSS # 3 Butadiene rubber: Ubepol BR150B manufactured by Ube Industries, Ltd.
- Stearic acid Beads manufactured by NOF Corporation
- Zinc stearate Zinc oxide Zinc flower No. 1 manufactured by Mitsui Kinzoku Mining Co., Ltd.
- Wax Sunnock N manufactured by Ouchi Shinsei Chemical Co., Ltd.
- Sulfur Powder sulfur vulcanization accelerator manufactured by Tsurumi Chemical Industry Co., Ltd. 1: Soxinol CZ manufactured by Sumitomo Chemical Co., Ltd.
- Vulcanization accelerator 2 Soxinol D manufactured by Sumitomo Chemical Co., Ltd.
- Crosslinking agent Vulcuren VP KA9188 (1,6-bis (N, N′-dibenzylthiocarbamoyldithio) hexane) manufactured by LANXESS
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Abstract
Description
なお、本明細書において、アルキレンオキシド基は、環状エーテル化合物の環から水素原子を除いた1価の基を表す。また、アルキレンオキシドアルキル基は、アルキル基の1つ以上の水素原子がアルキレンオキシド基で置換されている基を表す。
なお、本明細書において、ジ(アルキレンオキシド)アミノ基は、窒素原子に結合している2つの水素原子が2つのアルキレンオキシド基に置換されたアミノ基を表し、ジ(アルキレンオキシドアルキル)アミノ基は、窒素原子に結合している2つの水素原子が2つのアルキレンオキシドアルキル基に置換されたアミノ基を表す。
[3-(ジメチルアミノ)プロピル]トリメトキシシラン、
[3-(ジエチルアミノ)プロピル]トリメトキシシラン、
[3-(エチルメチルアミノ)プロピル]トリメトキシシラン、
[3-(ジメチルアミノ)プロピル]トリエトキシシラン、
[3-(ジエチルアミノ)プロピル]トリエトキシシラン、
[3-(エチルメチルアミノ)プロピル]トリエトキシシランなどの
[3-(ジアルキルアミノ)プロピル]トリアルコキシシラン;
[3-(ジエチルアミノ)プロピル]メチルジメトキシシラン、
[3-(エチルメチルアミノ)プロピル]メチルジメトキシシラン、
[3-(ジメチルアミノ)プロピル]エチルジメトキシシラン、
[3-(ジエチルアミノ)プロピル]エチルジメトキシシラン、
[3-(エチルメチルアミノ)プロピル]エチルジメトキシシラン、
[3-(ジメチルアミノ)プロピル]メチルジエトキシシラン、
[3-(ジエチルアミノ)プロピル]メチルジエトキシシラン、
[3-(エチルメチルアミノ)プロピル]メチルジエトキシシラン、
[3-(ジメチルアミノ)プロピル]エチルジエトキシシラン、
[3-(ジエチルアミノ)プロピル]エチルジエトキシシラン、
[3-(エチルメチルアミノ)プロピル]エチルジエトキシシランなどの
[3-(ジアルキルアミノ)プロピル]アルキルジアルコキシシラン;
[3-(ジエチルアミノ)プロピル]ジメチルメトキシシラン、
[3-(ジメチルアミノ)プロピル]ジエチルメトキシシラン、
[3-(ジエチルアミノ)プロピル]ジエチルメトキシシラン、
[3-(ジメチルアミノ)プロピル]ジメチルエトキシシラン、
[3-(ジエチルアミノ)プロピル]ジメチルエトキシシラン、
[3-(ジメチルアミノ)プロピル]ジエチルエトキシシラン、
[3-(ジエチルアミノ)プロピル]ジエチルエトキシシランなどの
[3-(ジアルキルアミノ)プロピル]ジアルキルアルコキシシランをあげることができる。
{3-[ジ(メトキシメチル)アミノ]プロピル}トリメトキシシラン、
{3-[ジ(エトキシメチル)アミノ]プロピル}トリメトキシシラン、
{3-[ジ(メトキシエチル)アミノ]プロピル}トリメトキシシラン、
{3-[ジ(エトキシエチル)アミノ]プロピル}トリメトキシシラン、
{3-[ジ(メトキシメチル)アミノ]プロピル}トリエトキシシラン、
{3-[ジ(エトキシメチル)アミノ]プロピル}トリエトキシシラン、
{3-[ジ(メトキシエチル)アミノ]プロピル}トリエトキシシラン、
{3-[ジ(エトキシエチル)アミノ]プロピル}トリエトキシシランなどの
{3-[ジ(アルコキシアルキル)アミノ]プロピル}トリアルコキシシラン;
{3-[ジ(エトキシメチル)アミノ]プロピル}メチルジメトキシシラン、
{3-[ジ(メトキシエチル)アミノ]プロピル}メチルジメトキシシラン、
{3-[ジ(エトキシエチル)アミノ]プロピル}メチルジメトキシシラン、
{3-[ジ(メトキシメチル)アミノ]プロピル}エチルジメトキシシラン、
{3-[ジ(エトキシメチル)アミノ]プロピル}エチルジメトキシシラン、
{3-[ジ(メトキシエチル)アミノ]プロピル}エチルジメトキシシラン、
{3-[ジ(エトキシエチル)アミノ]プロピル}エチルジメトキシシラン、
{3-[ジ(メトキシメチル)アミノ]プロピル}メチルジエトキシシラン、
{3-[ジ(エトキシメチル)アミノ]プロピル}メチルジエトキシシラン、
{3-[ジ(メトキシエチル)アミノ]プロピル}メチルジエトキシシラン、
{3-[ジ(エトキシエチル)アミノ]プロピル}メチルジエトキシシラン、
{3-[ジ(メトキシメチル)アミノ]プロピル}エチルジエトキシシラン、
{3-[ジ(エトキシメチル)アミノ]プロピル}エチルジエトキシシラン、
{3-[ジ(メトキシエチル)アミノ]プロピル}エチルジエトキシシラン、
{3-[ジ(エトキシエチル)アミノ]プロピル}エチルジエトキシシランなどの
{3-[ジ(アルコキシアルキル)アミノ]プロピル}アルキルジアルコキシシラン;
{3-[ジ(エトキシメチル)アミノ]プロピル}ジメチルメトキシシラン、
{3-[ジ(メトキシエチル)アミノ]プロピル}ジメチルメトキシシラン、
{3-[ジ(エトキシエチル)アミノ]プロピル}ジメチルメトキシシラン、
{3-[ジ(メトキシメチル)アミノ]プロピル}ジエチルメトキシシラン、
{3-[ジ(エトキシメチル)アミノ]プロピル}ジエチルメトキシシラン、
{3-[ジ(メトキシエチル)アミノ]プロピル}ジエチルメトキシシラン、
{3-[ジ(エトキシエチル)アミノ]プロピル}ジエチルメトキシシラン、
{3-[ジ(メトキシメチル)アミノ]プロピル}ジメチルエトキシシラン、
{3-[ジ(エトキシメチル)アミノ]プロピル}ジメチルエトキシシラン、
{3-[ジ(メトキシエチル)アミノ]プロピル}ジメチルエトキシシラン、
{3-[ジ(エトキシエチル)アミノ]プロピル}ジメチルエトキシシラン、
{3-[ジ(メトキシメチル)アミノ]プロピル}ジエチルエトキシシラン、
{3-[ジ(エトキシメチル)アミノ]プロピル}ジエチルエトキシシラン、
{3-[ジ(メトキシエチル)アミノ]プロピル}ジエチルエトキシシラン、
{3-[ジ(エトキシエチル)アミノ]プロピル}ジエチルエトキシシランなどの
{3-[ジ(アルコキシアルキル)アミノ]プロピル}ジアルキルアルコキシシランをあげることができる。
{3-[ジ(エポキシ)アミノ]プロピル}トリメトキシシラン、
{3-[ジ(エポキシ)アミノ]プロピル}トリエトキシシラン、
{3-[ジ(エポキシ)アミノ]プロピル}メチルジメトキシシラン、
{3-[ジ(エポキシ)アミノ]プロピル}エチルジメトキシシラン、
{3-[ジ(エポキシ)アミノ]プロピル}メチルジエトキシシラン、
{3-[ジ(エポキシ)アミノ]プロピル}エチルジエトキシシラン、
{3-[ジ(エポキシ)アミノ]プロピル}ジメチルメトキシシラン、
{3-[ジ(エポキシ)アミノ]プロピル}ジエチルメトキシシラン、
{3-[ジ(エポキシ)アミノ]プロピル}ジメチルエトキシシラン、
{3-[ジ(エポキシ)アミノ]プロピル}ジエチルエトキシシランなどの
式(IIa)がジ(エポキシ)アミノ基である化合物;
{3-[ジ(テトラヒドロフラニル)アミノ]プロピル}トリエトキシシラン、
{3-[ジ(テトラヒドロフラニル)アミノ]プロピル}メチルジメトキシシラン、
{3-[ジ(テトラヒドロフラニル)アミノ]プロピル}エチルジメトキシシラン、
{3-[ジ(テトラヒドロフラニル)アミノ]プロピル}メチルジエトキシシラン、
{3-[ジ(テトラヒドロフラニル)アミノ]プロピル}エチルジエトキシシラン、
{3-[ジ(テトラヒドロフラニル)アミノ]プロピル}ジメチルメトキシシラン、
{3-[ジ(テトラヒドロフラニル)アミノ]プロピル}ジエチルメトキシシラン、
{3-[ジ(テトラヒドロフラニル)アミノ]プロピル}ジメチルエトキシシラン、
{3-[ジ(テトラヒドロフラニル)アミノ]プロピル}ジエチルエトキシシランなどの
式(IIa)がジ(テトラヒドロフラニル)アミノ基である化合物をあげることができる。
{3-[ジ(グリシジル)アミノ]プロピル}トリメトキシシラン、
{3-[ジ(グリシジル)アミノ]プロピル}トリエトキシシラン、
{3-[ジ(グリシジル)アミノ]プロピル}メチルジメトキシシラン、
{3-[ジ(グリシジル)アミノ]プロピル}エチルジメトキシシラン、
{3-[ジ(グリシジル)アミノ]プロピル}メチルジエトキシシラン、
{3-[ジ(グリシジル)アミノ]プロピル}エチルジエトキシシラン、
{3-[ジ(グリシジル)アミノ]プロピル}ジメチルメトキシシラン、
{3-[ジ(グリシジル)アミノ]プロピル}ジエチルメトキシシラン、
{3-[ジ(グリシジル)アミノ]プロピル}ジメチルエトキシシラン、
{3-[ジ(グリシジル)アミノ]プロピル}ジエチルエトキシシランなどの
式(IIa)がジ(グリシジル)アミノ基である化合物;
{3-[ジ(テトラヒドロフルフリル)アミノ]プロピル}トリエトキシシラン、
{3-[ジ(テトラヒドロフルフリル)アミノ]プロピル}メチルジメトキシシラン、
{3-[ジ(テトラヒドロフルフリル)アミノ]プロピル}エチルジメトキシシラン、
{3-[ジ(テトラヒドロフルフリル)アミノ]プロピル}メチルジエトキシシラン、
{3-[ジ(テトラヒドロフルフリル)アミノ]プロピル}エチルジエトキシシラン、
{3-[ジ(テトラヒドロフルフリル)アミノ]プロピル}ジメチルメトキシシラン、
{3-[ジ(テトラヒドロフルフリル)アミノ]プロピル}ジエチルメトキシシラン、
{3-[ジ(テトラヒドロフルフリル)アミノ]プロピル}ジメチルエトキシシラン、
{3-[ジ(テトラヒドロフルフリル)アミノ]プロピル}ジエチルエトキシシランなどの
式(IIa)がジ(テトラヒドロフルフリル)アミノ基である化合物をあげることができる。
{3-[ジ(トリメチルシリル)アミノ]プロピル}トリメトキシシラン、
{3-[ジ(t-ブチルジメチルシリル)アミノ]プロピル}トリメトキシシラン、
{3-[ジ(トリメチルシリル)アミノ]プロピル}トリエトキシシラン、
{3-[ジ(t-ブチルジメチルシリル)アミノ]プロピル}トリエトキシシランなどの
{3-[ジ(トリアルキルシリル)アミノ]プロピル}トリアルコキシシラン;
{3-[ジ(t-ブチルジメチルシリル)アミノ]プロピル}メチルジメトキシシラン、
{3-[ジ(トリメチルシリル)アミノ]プロピル}メチルジエトキシシラン、
{3-[ジ(t-ブチルジメチルシリル)アミノ]プロピル}メチルジエトキシシランなどの
{3-[ジ(トリアルキルシリル)アミノ]プロピル}アルキルジアルコキシシラン;
{3-[ジ(t-ブチルジメチルシリル)アミノ]プロピル}ジメチルメトキシシラン、
{3-[ジ(トリメチルシリル)アミノ]プロピル}ジメチルエトキシシラン、
{3-[ジ(t-ブチルジメチルシリル)アミノ]プロピル}ジメチルエトキシシランなどの
{3-[ジ(トリアルキルシリル)アミノ]プロピル}ジアルキルアルコキシシランをあげることができる。
[3-(ジメチルアミノ)プロピル]トリメトキシシラン、
[3-(ジエチルアミノ)プロピル]トリメトキシシラン、
[3-(ジメチルアミノ)プロピル]トリエトキシシラン、
[3-(ジエチルアミノ)プロピル]トリエトキシシラン
がより好ましい。
3-(1-ピペリジノ)プロピルトリメトキシシラン、
3-(1-ピペリジノ)プロピルトリエトキシシラン、
3-(1-ピペリジノ)プロピルメチルジメトキシシラン、
3-(1-ピペリジノ)プロピルエチルジメトキシシラン、
3-(1-ピペリジノ)プロピルメチルジエトキシシラン、
3-(1-ピペリジノ)プロピルエチルジエトキシシランなどをあげることができる。
3-(1-ヘキサメチレンイミノ)プロピルトリメトキシシラン、
3-(1-ヘキサメチレンイミノ)プロピルトリエトキシシラン、
3-(1-ヘキサメチレンイミノ)プロピルメチルジメトキシシラン、
3-(1-ヘキサメチレンイミノ)プロピルエチルジメトキシシラン、
3-(1-ヘキサメチレンイミノ)プロピルメチルジエトキシシラン、
3-(1-ヘキサメチレンイミノ)プロピルエチルジエトキシシランなどをあげることができる。
N-(3-トリメトキシシリルプロピル)イミダゾール、
N-(3-トリエトキシシリルプロピル)イミダゾールなどをあげることができる。
N-(3-トリメトキシシリルプロピル)-4,5-ジヒドロイミダゾール、
N-(3-トリエトキシシリルプロピル)-4,5-ジヒドロイミダゾールなどをあげることができる。
3-(1-ピペラジニル)プロピルトリメトキシシラン、
3-(1-ピペラジニル)プロピルトリエトキシシラン、
3-(1-ピペラジニル)プロピルメチルジメトキシシラン、
3-(1-ピペラジニル)プロピルエチルジメトキシシラン、
3-(1-ピペラジニル)プロピルメチルジエトキシシラン、
3-(1-ピペラジニル)プロピルエチルジエトキシシランなどをあげることができる。
3-モルホリノプロピルトリメトキシシラン、
3-モルホリノプロピルトリエトキシシラン、
3-モルホリノプロピルメチルジメトキシシラン、
3-モルホリノプロピルエチルジメトキシシラン、
3-モルホリノプロピルメチルジエトキシシラン、
3-モルホリノプロピルエチルジエトキシシランなどをあげることができる。
N-(3-トリメトキシシリルプロピル)イミダゾール、
N-(3-トリエトキシシリルプロピル)イミダゾール、
N-(3-トリメトキシシリルプロピル)-4,5-ジヒドロイミダゾール、
N-(3-トリエトキシシリルプロピル)-4,5-ジヒドロイミダゾール
がより好ましい。
アセトアミド、N,N-ジメチルアセトアミド、N,N-ジエチルアセトアミド、アミノアセトアミド、N,N-ジメチル-N’,N’-ジメチルアミノアセトアミド、N,N-ジメチルアミノアセトアミド、N-エチルアミノアセトアミド、N,N-ジメチル-N’-エチルアミノアセトアミド、N,N-ジメチルアミノアセトアミド、N-フェニルジアセトアミドなどのアセトアミド化合物;
プロピオンアミド、N,N-ジメチルプロピオンアミドなどのプロピオンアミド化合物;
4-ピリジルアミド、N,N-ジメチル-4-ピリジルアミドなどのピリジルアミド化合物;
ベンズアミド、N,N-ジメチルベンズアミド、N’,N’-(p-ジメチルアミノ)ベンズアミド、N’,N’-(p-ジエチルアミノ)ベンズアミド、N,N-ジメチル-N’,N’-(p-ジメチルアミノ)ベンズアミド、N,N-ジメチル-N’,N’-(p-ジエチルアミノ)ベンズアミドなどのベンズアミド化合物;
N,N-ジメチルアクリルアミド、N,N-ジエチルアクリルアミドなどのアクリルアミド化合物;
N,N-ジメチルメタクリルアミド、N,N-ジエチルメタクリルアミドなどのメタクリルアミド化合物;
N,N-ジメチルニコチンアミド、N,N-ジエチルニコチンアミドなどのニコチンアミド化合物;
N,N,N’,N’-テトラメチルフタルアミド、N,N,N’,N’-テトラエチルフタルアミドなどのフタルアミド化合物;
N-メチルフタルイミド、N-エチルフタルイミドなどのフタルイミド化合物などをあげることができる。
1-メチル-2-ピロリドン、1-(t-ブチル)-2-ピロリドン、1-フェニル-2-ピロリドン、1-(p-メチルフェニル)-2-ピロリドン、1-(p-メトキシフェニル)-2-ピロリドン、1-ベンジル-2-ピロリドン、1-ナフチル-2-ピロリドン、1-フェニル-5-メチル-2-ピロリドン、1-(t-ブチル)-5-メチル-2-ピロリドン、1-(t-ブチル)-1,3-ジメチル-2-ピロリドンなどの2-ピロリドン化合物;
1-(t-ブチル)-2-ピペリドン、1-フェニル-2-ピペリドン、1-(p-メチルフェニル)-2-ピペリドン、1-(p-メトキシフェニル)-2-ピペリドン、1-ナフチル-2-ピペリドンなどの2-ピペリドン化合物;
N-メチル-ε-カプロラクタム、N-エチル-ε-カプロラクタム、N-(n-プロピル)-ε-カプロラクタム、N-フェニル-ε-カプロラクタム、N-(p-メトキシフェニル)-ε-カプロラクタム、N-ベンジル-ε-カプロラクタムなどのε-カプロラクタム化合物;
N-フェニル-ω-ラウリロラクタムなどのω-ラウリロラクタム化合物をあげることができる。
式(IIIb)で表される基を有する化合物としては、ベンズアルデヒド化合物、アセトフェノン化合物、ベンゾフェノン化合物をあげることができる。
なお、本明細書において、アルキレンオキシド基は、環状エーテル化合物の環から水素原子を除いた1価の基を表す。また、アルキレンオキシドアルキル基は、アルキル基の1つ以上の水素原子がアルキレンオキシド基で置換されている基を表す。
なお、本明細書において、ジ(アルキレンオキシド)アミノ基は、窒素原子に結合している2つの水素原子が2つのアルキレンオキシド基に置換されたアミノ基を表し、ジ(アルキレンオキシドアルキル)アミノ基は、窒素原子に結合している2つの水素原子が2つのアルキレンオキシドアルキル基に置換されたアミノ基を表す。
N-(2-ジメチルアミノエチル)アクリルアミド、
N-(2-ジエチルアミノエチル)アクリルアミド、
N-(3-ジメチルアミノプロピル)アクリルアミド、
N-(3-ジエチルアミノプロピル)アクリルアミド、
N-(4-ジメチルアミノブチル)アクリルアミド、
N-(4-ジエチルアミノブチル)アクリルアミド、
N-(3-モルホリノプロピル)アクリルアミド、
N-(3-シアノプロピル)アクリルアミドなどがあげられる。
N-(2-ジメチルアミノエチル)メタクリルアミド、
N-(2-ジエチルアミノエチル)メタクリルアミド、
N-(3-ジメチルアミノプロピル)メタクリルアミド、
N-(3-ジエチルアミノプロピル)メタクリルアミド、
N-(4-ジメチルアミノブチル)メタクリルアミド、
N-(4-ジエチルアミノブチル)メタクリルアミド、
N-(3-モルホリノプロピル)メタクリルアミド、
N-(3-シアノプロピル)メタクリルアミドなどがあげられる。
N-(3-メトキシプロピル)アクリルアミド、
N-(3-エトキシプロピル)アクリルアミド、
N-(プロポキシメチル)アクリルアミド、
N-(ブトキシメチル)アクリルアミド、
N-グリシジルアクリルアミド、
N-テトラヒドロフルフリルアクリルアミドなどがあげられる。
N-(3-メトキシプロピル)メタクリルアミド、
N-(3-エトキシプロピル)メタクリルアミド、
N-(プロポキシメチル)メタクリルアミド、
N-(ブトキシメチル)メタクリルアミド、
N-グリシジルメタクリルアミド、
N-テトラヒドロフルフリルメタクリルアミドなどがあげられる。
N-(3-ジ(グリシジル)アミノプロピル)アクリルアミド、
N-(3-ジ(テトラヒヒドロフルフリル)アミノプロピル)アクリルアミドなどがあげられる。
N-(3-ジ(グリシジル)アミノプロピル)メタクリルアミド、
N-(3-ジ(テトラヒヒドロフルフリル)アミノプロピル)メタクリルアミドなどがあげられる。
2-ジメチルアミノエチルアクリレート、
2-ジエチルアミノエチルアクリレート、
3-ジメチルアミノプロピルアクリレート、
3-ジエチルアミノプロピルアクリレート、
4-ジメチルアミノブチルアクリレート、
4-ジエチルアミノブチルアクリレートなどがあげられる。
2-ジメチルアミノエチルメタクリレート、
2-ジエチルアミノエチルメタクリレート、
3-ジメチルアミノプロピルメタクリレート、
3-ジエチルアミノプロピルメタクリレート、
4-ジメチルアミノブチルメタクリレート、
4-ジエチルアミノブチルメタクリレートなどがあげられる。
2-エトキシエチルアクリレート、
2-プロポキシエチルアクリレート、
2-ブトキシエチルアクリレート、
3-メトキシプロピルアクリレート、
3-エトキシプロピルアクリレート、
グリシジルアクリレート、
テトラヒドロフルフリルアクリレートなどがあげられる。
2-エトキシエチルメタクリレート、
2-プロポキシエチルメタクリレート、
2-ブトキシエチルメタクリレート、
3-メトキシプロピルメタクリレート、
3-エトキシプロピルメタクリレート、
グリシジルメタクリレート、
テトラヒドロフルフリルメタクリレートなどがあげられる。
3-ジ(グリシジル)アミノプロピルアクリレート、
3-ジ(テトラヒドロフルフリル)アミノプロピルアクリレートなどがあげられる。
A4が窒素原子及び酸素原子含有の基であるメタクリレート化合物としては、
3-ジ(グリシジル)アミノプロピルメタクリレート、
3-ジ(テトラヒドロフルフリル)アミノプロピルメタクリレートなどがあげられる。
好ましくは、A4が式(IVa)で表される基である化合物であり、
より好ましくは、A3がアミノ基であり、A4が式(IVa)で表される基である化合物であり、
更に好ましくは、A3が二級アミノ基(-NH-)であり、A4が式(IVa)で表される基である化合物である。
好ましくは、
N-(3-ジアルキルアミノプロピル)アクリルアミド、N-(3-ジアルキルアミノプロピル)メタクリルアミドであり、
より好ましくは、
N-(3-ジメチルアミノプロピル)アクリルアミド、
N-(3-ジエチルアミノプロピル)アクリルアミド、
N-(3-ジメチルアミノプロピル)メタクリルアミド、
N-(3-ジエチルアミノプロピル)メタクリルアミドである。
なお、本明細書において、アルキレンオキシド基は、環状エーテル化合物の環から水素原子を除いた1価の基を表す。
[式中、R41、R42及びR43は、それぞれ独立に、炭素原子数が1~4のヒドロカルビル基又は炭素原子数が1~4のヒドロカルビルオキシ基を表し、R41、R42及びR43の少なくとも1つがヒドロカルビルオキシ基である。]
N-メチル-N-(トリメトキシシリルメチル)-アセトアミド、
N-メチル-N-(トリエトキシシリルメチル)-アセトアミド、
N-メチル-N-(2-トリメトキシシリルエチル)-アセトアミド、
N-メチル-N-(2-トリエトキシシリルエチル)-アセトアミド、
N-メチル-N-(3-トリメトキシシリルプロピル)-アセトアミド、
N-メチル-N-(3-トリエトキシシリルプロピル)-アセトアミド
などのN-アルキル-N-トリアルコキシシリルアルキル-アセトアミド;
N-メチル-N-(トリメトキシシリルメチル)-プロピオンアミド、
N-メチル-N-(トリエトキシシリルメチル)-プロピオンアミド、
N-メチル-N-(2-トリメトキシシリルエチル)-プロピオンアミド、
N-メチル-N-(2-トリエトキシシリルエチル)-プロピオンアミド、
N-メチル-N-(3-トリメトキシシリルプロピル)-プロピオンアミド、
N-メチル-N-(3-トリエトキシシリルプロピル)-プロピオンアミド
などのN-アルキル-N-トリアルコキシシリルアルキル-プロピオンアミドなど、
N-アルキル-N-トリアルコキシシリルアルキル置換カルボン酸アミドをあげることができる。
N-アルキル-N-トリアルコキシシリルアルキル置換カルボン酸アミドであり、
より好ましくは、
N-アルキル-N-トリアルコキシシリルアルキル-プロピオンアミドであり、
更に好ましくは、
N-メチル-N-(3-トリメトキシシリルプロピル)-プロピオンアミド、
N-メチル-N-(3-トリエトキシシリルプロピル)-プロピオンアミドである。
1,3,5-トリス(トリメトキシシリルメチル)イソシアヌレート、
1,3,5-トリス(トリエトキシシリルメチル)イソシアヌレート、
1,3,5-トリス(トリメトキシシリルエチル)イソシアヌレート、
1,3,5-トリス(トリエトキシシリルエチル)イソシアヌレート、
1,3,5-トリス(3-トリメトキシシリルプロピル)イソシアヌレート、
1,3,5-トリス(3-トリエトキシシリルプロピル)イソシアヌレート
などの1,3,5-トリス(トリアルコキシシリルアルキル)イソシアヌレートをあげることができる。
1,3,5-トリス(3-トリメトキシシリルプロピル)イソシアヌレート、
1,3,5-トリス(3-トリエトキシシリルプロピル)イソシアヌレートである。
なお、本明細書において、アルキレンオキシドアルキル基は、アルキル基の1つ以上の水素原子がアルキレンオキシド基で置換されている基を表す。
R64がアルキル基である化合物として、
3-(メトキシ)プロピルトリメトキシシラン、
3-(エトキシ)プロピルトリメトキシシラン、
3-(n-プロポキシ)プロピルトリメトキシシラン、
3-(イソプロポキシ)プロピルトリメトキシシラン、
3-(n-ブトキシ)プロピルトリメトキシシラン、
3-(sec-ブトキシ)プロピルトリメトキシシラン、
3-(t-ブトキシ)プロピルトリメトキシシラン
などの3-(アルコキシ)プロピルトリアルコキシシランをあげることができる。
2-グリシドキシエチルトリメトキシシラン、
3-グリシドキシプロピルトリメトキシシラン、
2-グリシドキシエチルトリエトキシシラン、
3-グリシドキシプロピルトリエトキシシラン
などのグリシドキシアルキルトリアルコキシシラン;
2-テトラヒドロフルフリロキシエチルトリメトキシシラン、
3-テトラヒドロフルフリロキシプロピルトリメトキシシラン、
2-テトラヒドロフルフリロキシエチルトリエトキシシラン、
3-テトラヒドロフルフリロキシプロピルトリエトキシシラン
などのテトラヒドロフルフリロキシアルキルトリアルコキシシランをあげることができる。
3-(メトキシメトキシ)プロピルトリメトキシシラン、
3-(メトキシエトキシ)プロピルトリメトキシシラン、
3-(エトキシメトキシ)プロピルトリメトキシシラン、
3-(エトキシエトキシ)プロピルトリメトキシシラン、
3-(メトキシメトキシ)プロピルトリエトキシシラン、
3-(メトキシエトキシ)プロピルトリエトキシシラン、
3-(エトキシメトキシ)プロピルトリエトキシシラン、
3-(エトキシエトキシ)プロピルトリエトキシシラン
などの3-(アルコキシアルコキシ)プロピルトリアルコキシシランをあげることができる。
3-グリシドキシプロピルトリメトキシシラン、
3-グリシドキシプロピルトリエトキシシラン、
3-テトラヒドロフルフリロキシプロピルトリメトキシシラン、
3-テトラヒドロフルフリロキシプロピルトリエトキシシランである。
メタクリロキシアルキルトリアルコキシシランとしては、3-メタクリロキシプロピルトリメトキシシラン、3-メタクリロキシプロピルトリエトキシシランなどの3-メタクリロキシプロピルトリアルコキシシランをあげることができる。
トリアルコキシシリルアルキル無水マレイン酸としては、3-トリメトキシシリルプロピル無水マレイン酸、3-トリエトキシシリルプロピル無水マレイン酸などの3-トリアルコキシシリルプロピル無水マレイン酸をあげることができる。
なお、本明細書において、アルキレンオキシド基は、環状エーテル化合物の環から水素原子を除いた1価の基を表す。また、アルキレンオキシドアルキル基は、アルキル基の1つ以上の水素原子がアルキレンオキシド基で置換されている基を表す。
N,N-ジメチルホルムアミドジメチルアセタール、N,N-ジエチルホルムアミドジメチルアセタール、N,N-ジ(n-プロピル)ホルムアミドジメチルアセタール、
N,N-ジメチルホルムアミドジエチルアセタール、N,N-ジエチルホルムアミドジエチルアセタール、N,N-ジ(n-プロピル)ホルムアミドジエチルアセタール、
N,N-ジメチルホルムアミドエチルメチルアセタール、N,N-ジエチルホルムアミドエチルメチルアセタール、N,N-ジ(n-プロピル)ホルムアミドエチルメチルアセタールなどのN,N-ジアルキルホルムアミドジアルキルアセタール;
N,N-ジメチルアセトアミドジエチルアセタール、N,N-ジエチルアセトアミドジエチルアセタール、N,N-ジ(n-プロピル)アセトアミドジエチルアセタール、
N,N-ジメチルアセトアミドエチルメチルアセタール、N,N-ジエチルアセトアミドエチルメチルアセタール、N,N-ジ(n-プロピル)アセトアミドエチルメチルアセタールなどのN,N-ジアルキルアセトアミドジアルキルアセタール;
N,N-ジメチルプロピオンアミドジエチルアセタール、N,N-ジエチルプロピオンアミドジエチルアセタール、N,N-ジ(n-プロピル)プロピオンアミドジエチルアセタール、
N,N-ジメチルプロピオンアミドエチルメチルアセタール、N,N-ジエチルプロピオンアミドエチルメチルアセタール、N,N-ジ(n-プロピル)プロピオンアミドエチルメチルアセタールなどのN,N-ジアルキルプロピオンアミドジアルキルアセタールなどがあげられる。
N,N-ジアルキルホルムアミドジアルキルアセタールであり、
より好ましくは、
N,N-ジメチルホルムアミドジメチルアセタール、
N,N-ジエチルホルムアミドジメチルアセタール、
N,N-ジメチルホルムアミドジエチルアセタール、
N,N-ジエチルホルムアミドジエチルアセタールである。
(工程A):炭化水素溶媒中で、アルカリ金属触媒により、共役ジエンと下式(IX)で表されるビニル化合物とを含む単量体を重合させ、共役ジエンに基づく単量体単位と下式(IX)で表されるビニル化合物に基づく単量体単位とを有する重合体鎖の少なくとも一端に、該触媒由来のアルカリ金属を有する重合体を得る工程。
(工程B):工程Aで得られた重合体と上記変性剤1~5の少なくとも1つとを反応させる工程。
R91 aML4-a(X)
[式中、R91はアルキル基、アルケニル基、シクロアルケニル基又は芳香族残基を表し、Mはケイ素原子又はスズ原子を表し、Lはハロゲン原子又はヒドロカルビルオキシ基を表し、aは0~2の整数を表す。]
ここで、芳香族残基は、芳香族炭化水素から芳香環に結合している水素を除いた1価の基を表す。
なお、シリカの窒素吸着比表面積は、ASTM D3037-81に準じてBET法で測定される値である。
加硫剤、加硫促進剤を配合する場合、混練温度は、通常100℃以下であり、好ましくは室温~80℃である。また、加硫剤、加硫促進剤を配合した組成物は、通常、プレス加硫などの加硫処理を行って用いられる。加硫温度としては、通常120~200℃、好ましくは140~180℃である。
物性評価は次の方法で行った。なお、以下の物性評価において、表6における基準比較例を比較例3、表7~8における基準比較例を比較例8、表9~10における基準比較例を比較例29、表11における基準比較例を比較例37、表12における基準比較例を比較例40とした。
赤外分光分析法により、ビニル基の吸収ピークである910cm-1付近の吸収強度より重合体のビニル結合量を求めた。
JIS K6383(1995)に従って、屈折率から重合体のスチレン単位の含量を求めた。
下記の条件(1)~(8)でゲル・パーミエイション・クロマトグラフ(GPC)法により、重合体の重量平均分子量(Mw)と数平均分子量(Mn)を測定した。そして、測定したMw、Mnから重合体の分子量分布(Mw/Mn)を求めた。
(1)装置:東ソー(株)製HLC-8020
(2)分離カラム:東ソー(株)製GMH-XL(2本直列)
(3)測定温度:40℃
(4)キャリア:テトラヒドロフラン
(5)流量:0.6mL/分
(6)注入量:5μL
(7)検出器:示差屈折
(8)分子量標準:標準ポリスチレン
シート状の加硫ゴム組成物から幅1mm又は2mm、長さ40mmの短冊状試験片を打ち抜き、試験に供した。(株)上島製作所製スペクトロメーターを用いて、動的歪振幅1%、周波数10Hz、温度50℃でtanδを測定した。tanδの逆数の値について基準比較例を100として指数表示した。数値が大きいほど転がり抵抗が小さく、低燃費性に優れることを示している。
転がり抵抗試験機を用い、試験用タイヤを、リム(15×6JJ)、内圧(230kPa)、荷重(3.43kN)、速度(80km/h)で走行させた時の転がり抵抗を測定した。そして、基準比較例を100とし、以下に示す計算式により、各配合の転がり抵抗を指数表示した。数値が大きいほど転がり抵抗が小さく、低燃費性に優れることを示している。
(転がり抵抗指数)=(基準比較例の転がり抵抗)/(各配合の転がり抵抗)×100
製造した試験用タイヤを車両(国産FF2000cc)の全輪に装着させ、湿潤アスファルト路面にて、初速度100km/hからの制動距離を測定した。そして、基準比較例のウェットグリップ性能指数を100とし、以下に示す計算式により、各配合のウェットスキッド性能(ウェットグリップ性能)を指数表示した。数値が大きいほどウェットグリップ性能に優れることを示す。
(ウェットグリップ性能指数)=(基準比較例の制動距離)/(各配合の制動距離)×100
LAT試験機(Laboratory Abration and Skid Tester)を用い、荷重50N、速度20km/h、スリップアングル5°の条件にて、各加硫ゴム組成物の容積損失量を測定した。表中の数値(耐摩耗性1指数)は、基準比較例の容積損失量を100としたときの相対値である。当該数値が大きいほど耐摩耗性に優れている。
製造した試験用タイヤを車両(国産FF2000cc)の全輪に装着して実車走行させ、35000km走行前後のトレッドパターンの溝深さの変化を測定した。そして、基準比較例の耐摩耗性2指数を100とし、以下に示す計算式により、各配合の溝深さの変化を指数表示した。指数が大きいほど耐摩耗性に優れることを示している。
(耐摩耗性2指数)=(基準比較例の溝深さの変化)/(各配合の溝深さの変化)×100
JIS-K 6251(2010)「加硫ゴム及び熱可塑性ゴム-引張特性の求め方」に準じて、シート状の加硫ゴム組成物からなる3号ダンベル型ゴム試験片を用いて引張試験を実施した。破断時のモジュラス(TB)(MPa)、破断時の伸び(EB)(%)を測定し、ゴム強度の指標としてTB×EBを算出した。結果は、基準比較例を100として指数表示した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン11.1mmol及びn-ブチルリチウム13.1mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、3-ジエチルアミノプロピルトリエトキシシラン11.1mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積5リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)2.55kg、1,3-ブタジエン137g、スチレン43g、テトラヒドロフラン1.5ml、エチレングリコールジエチルエーテル1.2mlを重合反応器内に投入した。次に、n-ブチルリチウム3.6mmolをn-ヘキサン溶液として投入し、1,3-ブタジエンとスチレンの共重合を2.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給した。1,3-ブタジエンの供給量は205g、スチレンの供給量は65gであった。
該2.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン2.8mmolをシクロヘキサン溶液として、撹拌速度130rpm、重合反応器内温度65℃の条件下で、重合反応器内に投入し30分間撹拌した。
次に、メタノール0.14mlを含むヘキサン溶液20mlを重合反応器内に投入し、重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン11.1mmol及びn-ブチルリチウム13.1mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム13.1mmolをn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、3-ジエチルアミノプロピルトリエトキシシラン11.1mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム13.1mmolをn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン11.1mmol及びn-ブチルリチウム13.1mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、3-ジエチルアミノプロピルトリエトキシシラン11.1mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン11.0mmol及びn-ブチルリチウム14.3mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、1,3-ジメチル-2-イミダゾリジノン11.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム12.9mmolをn-ヘキサン溶液として投入し、1,3-ブタジエンとスチレンの共重合を0.83時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給した。
該0.83時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を1.67時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、1,3-ジメチル-2-イミダゾリジノン11.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム13.7mmolをn-ヘキサン溶液として投入し、1,3-ブタジエンとスチレンの共重合を1時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給した。
該1時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。該0.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。
該0.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、1,3-ジメチル-2-イミダゾリジノン11.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン11.0mmol及びn-ブチルリチウム14.3mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、1-フェニル-2-ピロリドン11.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム15.1mmolをn-ヘキサン溶液として投入し、1,3-ブタジエンとスチレンの共重合を1時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給した。
該1時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。
該0.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。
該0.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、1-フェニル-2-ピロリドン11.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン11.0mmol及びn-ブチルリチウム13.4mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、N-メチル-ε-カプロラクタム11.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム13.7mmolをn-ヘキサン溶液として投入し、1,3-ブタジエンとスチレンの共重合を1時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給した。
該1時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。
該0.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。
該0.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、N-メチル-ε-カプロラクタム11.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン8.26mmol及びn-ブチルリチウム14.3mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、4,4’-ビス(ジエチルアミノ)ベンゾフェノン11.8mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン12.2mmol及びn-ブチルリチウム15.1mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、4’-(イミダゾール-1-イル)-アセトフェノン12.2mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積5リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)2.55kg、1,3-ブタジエン137g、スチレン43g、テトラヒドロフラン1.5ml、エチレングリコールジエチルエーテル1.2mlを重合反応器内に投入した。次に、n-ブチルリチウム3.6mmolをn-ヘキサン溶液として投入し、1,3-ブタジエンとスチレンの共重合を2.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給した。1,3-ブタジエンの供給量は205g、スチレンの供給量は65gであった。
該2.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン2.8mmolをシクロヘキサン溶液として、撹拌速度130rpm、重合反応器内温度65℃の条件下で、重合反応器内に投入し30分間撹拌した。
次に、メタノール0.14mlを含むヘキサン溶液20mlを重合反応器内に投入し、重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン11.0mmol及びn-ブチルリチウム14.3mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム14.3mmolをn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、1,3-ジメチル-2-イミダゾリジノン11.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム14.3mmolをn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン11.0mmol及びn-ブチルリチウム14.3mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、1,3-ジメチル-2-イミダゾリジノン11.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン10.5mmol及びn-ブチルリチウム14.9mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、N-(3-ジメチルアミノプロピル)アクリルアミド10.5mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム12.9mmolをn-ヘキサン溶液として投入し、1,3-ブタジエンとスチレンの共重合を0.83時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給した。
該0.83時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン10.5mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を1.67時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、N-(3-ジメチルアミノプロピル)アクリルアミド10.5mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン10.5mmol及びn-ブチルリチウム13.4mmolを、それぞれシクロヘキサン溶液及びn-ヘキサン溶液として投入し、1,3-ブタジエンとスチレンの共重合を1時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給した。
該1時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン10.5mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。
該0.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン10.5mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を1.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、N-(3-ジメチルアミノプロピル)アクリルアミド10.5mmolを添加し、15分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス{ジ(n-ブチル)アミノ}メチルビニルシラン10.5mmol及びn-ブチルリチウム13.4mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、N-(3-ジメチルアミノプロピル)アクリルアミド10.5mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積5リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)2.55kg、1,3-ブタジエン137g、スチレン43g、テトラヒドロフラン1.5ml、エチレングリコールジエチルエーテル1.2mlを重合反応器内に投入した。次に、n-ブチルリチウム3.6mmolをn-ヘキサン溶液として投入し、1,3-ブタジエンとスチレンの共重合を2.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給した。1,3-ブタジエンの供給量は205g、スチレンの供給量は65gであった。
該2.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン2.8mmolをシクロヘキサン溶液として、撹拌速度130rpm、重合反応器内温度65℃の条件下で、重合反応器内に投入し30分間撹拌した。
次に、メタノール0.14mlを含むヘキサン溶液20mlを重合反応器内に投入し、重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン10.5mmol及びn-ブチルリチウム14.9mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム14.9mmolをn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、N-(3-ジメチルアミノプロピル)アクリルアミド10.5mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム14.9mmolをn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン10.5mmol及びn-ブチルリチウム14.9mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、N-(3-ジメチルアミノプロピル)アクリルアミド10.5mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン16.0mmol及びn-ブチルリチウム18.5mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、1,3,5-トリス(3-トリメトキシシリルプロピル)イソシアヌレート4.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.80mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム17.3mmolをn-ヘキサン溶液として投入し、1,3-ブタジエンとスチレンの共重合を1時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給した。
該1時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン14.4mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。
該0.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン14.4mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。
該0.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン14.4mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、1,3,5-トリス(3-トリメトキシシリルプロピル)イソシアヌレート3.6mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.80mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン16.0mmol及びn-ブチルリチウム18.5mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、1,3,5-トリス(3-トリメトキシシリルプロピル)イソシアヌレート4.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.80mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン16.0mmol及びn-ブチルリチウム18.5mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、3-(メトキシ)プロピルトリメトキシシラン4.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.80mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム18.5mmolをn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、重合体溶液にメタノール0.80mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン11.5mmol及びn-ブチルリチウム14.1mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、N,N-ジメチルホルムアミドジメチルアセタール11.5mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、n-ブチルリチウム14.1mmolをn-ヘキサン溶液として投入し、1,3-ブタジエンとスチレンの共重合を1時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給した。
該1時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。
該0.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。
該0.5時間の重合後、ビス(ジエチルアミノ)メチルビニルシラン11.0mmolをシクロヘキサン溶液として、撹拌速度を130rpm、重合反応器内温度を65℃の条件下で、重合反応器内に投入した。
次に、重合反応器内に連続的に単量体を供給し、1,3-ブタジエンとスチレンの共重合を0.5時間行った。重合中、撹拌速度を130rpm、重合反応器内温度を65℃とした。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、N,N-ジメチルホルムアミドジメチルアセタール11.0mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
内容積20リットルのステンレス製重合反応器内を洗浄、乾燥し、乾燥窒素で置換し、ヘキサン(比重0.68g/cm3)10.2kg、1,3-ブタジエン547g、スチレン173g、テトラヒドロフラン6.1ml、エチレングリコールジエチルエーテル5.0mlを重合反応器内に投入した。次に、ビス(ジエチルアミノ)メチルビニルシラン11.5mmol及びn-ブチルリチウム14.1mmolを、それぞれ、シクロヘキサン溶液及びn-ヘキサン溶液として投入し、重合を開始した。
撹拌速度を130rpm、重合反応器内温度を65℃とし、単量体を重合反応器内に連続的に供給しながら、1,3-ブタジエンとスチレンの共重合を3時間行った。全重合での1,3-ブタジエンの供給量は821g、スチレンの供給量は259gであった。
次に、得られた重合体溶液を130rpmの撹拌速度で撹拌し、N,N-ジメチルホルムアミドジメチルアセタール11.5mmolを添加し、15分間撹拌した。重合体溶液にメタノール0.54mlを含むヘキサン溶液20mlを加えて、更に重合体溶液を5分間撹拌した。
天然ゴム:RSS#3
ブタジエンゴム:宇部興産(株)製のウベポールBR150B
SBR(非変性):日本ゼオン(株)製のNS116(スチレン量:20%、ビニル量:60%)
重合体1~37:上記製造例1~37
シリカ:エボニックデグッサ社製のウルトラシルVN3-G(N2SA:175m2/g)
シランカップリング剤:エボニックデグッサ社製のSi69(ビス(3-トリエトキシシリルプロピル)テトラスルフィド)
カーボンブラック1:三菱化学(株)製のダイアブラックN220(N2SA:114m2/g、DBP吸収量:114ml/100g)
カーボンブラック2:三菱化学(株)製のダイアブラックN339(N2SA:96m2/g、DBP吸収量:124ml/100g)
オイル:JX日鉱日石エネルギー(株)製のX-140
老化防止剤:住友化学(株)製のアンチゲン3C
ステアリン酸:日油(株)製のビーズステアリン酸つばき
酸化亜鉛:三井金属鉱業(株)製の亜鉛華1号
ワックス:大内新興化学工業(株)製のサンノックN
硫黄:鶴見化学工業(株)製の粉末硫黄
加硫促進剤1:住友化学(株)製のソクシノールCZ
加硫促進剤2:住友化学(株)製のソクシノールD
架橋剤:ランクセス社製のVulcuren VP KA9188(1,6-ビス(N,N’-ジベンジルチオカルバモイルジチオ)ヘキサン)
表6~12に示す配合内容に従い、(株)神戸製鋼所製の1.7Lバンバリーミキサーを用いて、硫黄、架橋剤及び加硫促進剤以外の材料を150℃の条件下で3~5分間混練りし、混練り物を得た。次に、得られた混練り物に硫黄、架橋剤及び加硫促進剤を添加し、オープンロールを用いて、80℃の条件下で3~5分間練り込み、未加硫ゴム組成物を得た。得られた未加硫ゴム組成物を170℃で20分間、0.5mm厚の金型でプレス加硫し、加硫ゴム組成物を得た。
また、得られた未加硫ゴム組成物をトレッドの形状に成型し、タイヤ成型機上で他のタイヤ部材と共に貼り合わせて未加硫タイヤを形成した後、170℃で12分間加硫し、試験用タイヤ(サイズ:195/65R15)を製造した。
Claims (19)
- ゴム成分、シリカ及び下式(1)で表される化合物を含有し、
前記ゴム成分100質量%のうち、共役ジエンに基づく構成単位と下式(I)で表される構成単位とを有し、下式(II)で表される化合物、下式(III)で表される基を有する化合物、下式(IV)で表される化合物、下式(V)で表される基及び/又は下式(VI)で表される基を有するケイ素化合物、並びに下式(VII)で表される基を有する化合物からなる群より選択される少なくとも1種の化合物によって重合体の少なくとも一端が変性されてなる共役ジエン系重合体の含有量が5質量%以上であり、
前記ゴム成分100質量部に対する前記シリカの含有量が5~150質量部であることを特徴とするゴム組成物。
- 式(Ia)のR1及びR2が炭素原子数1~6のヒドロカルビル基であることを特徴とする請求項1に記載のゴム組成物。
- 式(I)のX1、X2及びX3の2つが式(Ia)で表される基又は水酸基であることを特徴とする請求項1又は2に記載のゴム組成物。
- 式(III)で表される基を有する化合物が、下式(IIIa-1)で表される化合物、下式(IIIa-2)で表される化合物及び下式(IIIa-3)で表される化合物からなる化合物群から選ばれる少なくとも1種の化合物であることを特徴とする請求項5に記載のゴム組成物。
- 式(III)で表される基を有する化合物が、下式(IIIb-1)で表される化合物であることを特徴とする請求項1~4のいずれかに記載のゴム組成物。
- 式(IIIb-1)で表される化合物が、下式(IIIb-1-1)で表される化合物及び下式(IIIb-1-2)で表される化合物からなる化合物群から選ばれる少なくとも1種の化合物であることを特徴とする請求項7に記載のゴム組成物。
- 式(VII)で表される基を有する化合物が下式(VII-1)で表される化合物であることを特徴とする請求項1~11のいずれかに記載のゴム組成物。
- 式(VII-1)のR74及びR75の一方が水素原子であることを特徴とする請求項12に記載のゴム組成物。
- 共役ジエン系重合体のビニル結合量が、共役ジエンに基づく構成単位の含有量を100モル%として、10モル%以上80モル%以下であることを特徴とする請求項1~13のいずれかに記載のゴム組成物。
- 天然ゴム及び/又はブタジエンゴムを含有することを特徴とする請求項1~14のいずれかに記載のゴム組成物。
- シリカの窒素吸着比表面積が40~400m2/gであることを特徴とする請求項1~15のいずれかに記載のゴム組成物。
- ゴム成分100質量部に対する式(1)で表される化合物の含有量が0.5~23質量部であることを特徴とする請求項1~16のいずれかに記載のゴム組成物。
- トレッド用ゴム組成物として用いられることを特徴とする請求項1~17のいずれかに記載のゴム組成物。
- 請求項1~18のいずれかに記載のゴム組成物を用いて作製した空気入りタイヤ。
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JP6231828B2 (ja) * | 2013-09-11 | 2017-11-15 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP6891291B2 (ja) | 2017-03-08 | 2021-06-18 | 株式会社ブリヂストン | 結合ポリマー生成物、作製方法及び組成物 |
JP7170045B2 (ja) * | 2017-12-14 | 2022-11-11 | 株式会社ブリヂストン | 結合ポリマー生成物、作製方法及び組成物 |
EP3808808B1 (en) * | 2018-06-12 | 2023-04-05 | The Yokohama Rubber Co., Ltd. | Rubber composition |
JP6908071B2 (ja) * | 2019-06-27 | 2021-07-21 | 住友ゴム工業株式会社 | タイヤ |
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Also Published As
Publication number | Publication date |
---|---|
EP2703443A1 (en) | 2014-03-05 |
US20130338296A1 (en) | 2013-12-19 |
CN103492474A (zh) | 2014-01-01 |
EP2703443A4 (en) | 2014-07-02 |
BR112013027664A2 (pt) | 2016-12-27 |
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