JP4989020B2 - スチレンブタジエンブロック共重合体を基礎とした透明耐衝撃性改良ポリスチレン、これを含む重合体混合物、及びこれらの製造方法 - Google Patents
スチレンブタジエンブロック共重合体を基礎とした透明耐衝撃性改良ポリスチレン、これを含む重合体混合物、及びこれらの製造方法 Download PDFInfo
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- JP4989020B2 JP4989020B2 JP2004147673A JP2004147673A JP4989020B2 JP 4989020 B2 JP4989020 B2 JP 4989020B2 JP 2004147673 A JP2004147673 A JP 2004147673A JP 2004147673 A JP2004147673 A JP 2004147673A JP 4989020 B2 JP4989020 B2 JP 4989020B2
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- Prior art keywords
- block
- block copolymer
- potassium
- styrene
- soft
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- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 229920002959 polymer blend Polymers 0.000 title claims description 4
- 239000004793 Polystyrene Substances 0.000 title description 12
- 229920003048 styrene butadiene rubber Polymers 0.000 title description 11
- 229920002223 polystyrene Polymers 0.000 title description 10
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 72
- 229920001400 block copolymer Polymers 0.000 claims abstract description 45
- 239000000178 monomer Substances 0.000 claims abstract description 23
- 150000001993 dienes Chemical class 0.000 claims abstract description 14
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims abstract description 13
- 238000010539 anionic addition polymerization reaction Methods 0.000 claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 12
- 229920002554 vinyl polymer Polymers 0.000 claims description 32
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 14
- 229910052700 potassium Inorganic materials 0.000 claims description 14
- 239000011591 potassium Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 239000003505 polymerization initiator Substances 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- PSGOPFRAYAIOMX-UHFFFAOYSA-N potassium;2,3-dimethylpentan-3-olate Chemical compound [K+].CCC(C)([O-])C(C)C PSGOPFRAYAIOMX-UHFFFAOYSA-N 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229920001519 homopolymer Polymers 0.000 claims description 2
- LDVUTEQLGLTWJO-UHFFFAOYSA-N potassium;2,2-dimethylpropan-1-olate Chemical compound [K+].CC(C)(C)C[O-] LDVUTEQLGLTWJO-UHFFFAOYSA-N 0.000 claims description 2
- HLKWWJWIDARXEW-UHFFFAOYSA-N potassium;2-methylbutan-1-olate Chemical compound [K+].CCC(C)C[O-] HLKWWJWIDARXEW-UHFFFAOYSA-N 0.000 claims description 2
- RGTULLOKMOQGAQ-UHFFFAOYSA-N potassium;3,7-dimethyloctan-3-olate Chemical compound [K+].CCC(C)([O-])CCCC(C)C RGTULLOKMOQGAQ-UHFFFAOYSA-N 0.000 claims description 2
- 150000003509 tertiary alcohols Chemical class 0.000 claims description 2
- RZKSECIXORKHQS-UHFFFAOYSA-N Heptan-3-ol Chemical compound CCCCC(O)CC RZKSECIXORKHQS-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 13
- 238000006116 polymerization reaction Methods 0.000 abstract description 12
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 39
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 16
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 11
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 8
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 239000003999 initiator Substances 0.000 description 6
- ZRLVQFQTCMUIRM-UHFFFAOYSA-N potassium;2-methylbutan-2-olate Chemical compound [K+].CCC(C)(C)[O-] ZRLVQFQTCMUIRM-UHFFFAOYSA-N 0.000 description 6
- -1 tetrahydrofuran Chemical class 0.000 description 6
- 159000000001 potassium salts Chemical class 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 125000002897 diene group Chemical group 0.000 description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical compound C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 2
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 239000002879 Lewis base Substances 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 150000007527 lewis bases Chemical class 0.000 description 2
- 238000011326 mechanical measurement Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 2
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 2
- LZDGSLFCXXQIQC-UHFFFAOYSA-N potassium;3-ethylpentan-3-olate Chemical compound [K+].CCC([O-])(CC)CC LZDGSLFCXXQIQC-UHFFFAOYSA-N 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- AHAREKHAZNPPMI-AATRIKPKSA-N (3e)-hexa-1,3-diene Chemical compound CC\C=C\C=C AHAREKHAZNPPMI-AATRIKPKSA-N 0.000 description 1
- ZMYIIHDQURVDRB-UHFFFAOYSA-N 1-phenylethenylbenzene Chemical group C=1C=CC=CC=1C(=C)C1=CC=CC=C1 ZMYIIHDQURVDRB-UHFFFAOYSA-N 0.000 description 1
- DXIJHCSGLOHNES-UHFFFAOYSA-N 3,3-dimethylbut-1-enylbenzene Chemical compound CC(C)(C)C=CC1=CC=CC=C1 DXIJHCSGLOHNES-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- YWUVKMIWJYKRAX-UHFFFAOYSA-N C(=CC(C)=C)[Li] Chemical compound C(=CC(C)=C)[Li] YWUVKMIWJYKRAX-UHFFFAOYSA-N 0.000 description 1
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- 229910000528 Na alloy Inorganic materials 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- UZADUQHNWBREGQ-UHFFFAOYSA-N [Li]C(C)CC.C1CCCCC1 Chemical compound [Li]C(C)CC.C1CCCCC1 UZADUQHNWBREGQ-UHFFFAOYSA-N 0.000 description 1
- PYWOMDDOXZOOJZ-UHFFFAOYSA-N [Li]C1=CC=C([Li])C=C1 Chemical compound [Li]C1=CC=C([Li])C=C1 PYWOMDDOXZOOJZ-UHFFFAOYSA-N 0.000 description 1
- NTVIBFNHMURTMP-UHFFFAOYSA-N [Li]CC=CC[Li] Chemical compound [Li]CC=CC[Li] NTVIBFNHMURTMP-UHFFFAOYSA-N 0.000 description 1
- BZEZSORUWZUMNU-UHFFFAOYSA-N [Li]CCCC[Li] Chemical compound [Li]CCCC[Li] BZEZSORUWZUMNU-UHFFFAOYSA-N 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- MPMBRWOOISTHJV-UHFFFAOYSA-N but-1-enylbenzene Chemical compound CCC=CC1=CC=CC=C1 MPMBRWOOISTHJV-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- BLHLJVCOVBYQQS-UHFFFAOYSA-N ethyllithium Chemical compound [Li]CC BLHLJVCOVBYQQS-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- XBFMJHQFVWWFLA-UHFFFAOYSA-N hexane;pentane Chemical compound CCCCC.CCCCCC XBFMJHQFVWWFLA-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- DSZMPZRQIDKROL-UHFFFAOYSA-N lithium;1-phenylhexylbenzene Chemical compound [Li+].C=1C=CC=CC=1C(CCCC[CH2-])C1=CC=CC=C1 DSZMPZRQIDKROL-UHFFFAOYSA-N 0.000 description 1
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 1
- SZAVVKVUMPLRRS-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].C[CH-]C SZAVVKVUMPLRRS-UHFFFAOYSA-N 0.000 description 1
- XBEREOHJDYAKDA-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].CC[CH2-] XBEREOHJDYAKDA-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 150000002900 organolithium compounds Chemical class 0.000 description 1
- 125000001979 organolithium group Chemical group 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- NHKJPPKXDNZFBJ-UHFFFAOYSA-N phenyllithium Chemical compound [Li]C1=CC=CC=C1 NHKJPPKXDNZFBJ-UHFFFAOYSA-N 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- XFLAKIAEOPDWCP-UHFFFAOYSA-N potassium;2-methylhexan-1-olate Chemical compound [K+].CCCCC(C)C[O-] XFLAKIAEOPDWCP-UHFFFAOYSA-N 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
- C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
-
- 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
- C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
- C08F293/005—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule using free radical "living" or "controlled" polymerisation, e.g. using a complexing agent
-
- 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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
- C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/003—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Graft Or Block Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Description
芳香族ビニルモノマーから製造された少なくとも2種の硬質ブロックS1およびS2と、
芳香族ビニルモノマーとジエンから製造された少なくとも1種のランダム軟質ブロックB/Sとを含み、
軟質ブロックB/S中の1,2−ビニル含量が20%未満であり、
硬質ブロックの比率が、全ブロック共重合体に対して51質量%から74質量%であり、
ジエンから成る単独重合体ブロックBを含まず、
S1のモル質量が5000から30000g/モルであり、
S2のモル質量が35000g/モルを上回り、
直線構造S1−(B/S)1−(B/S)2−S2から成り、
芳香族ビニルモノマーのジエンに対するモル比S/Bがブロック(B/S)1中で0.32以下であり、ブロック(B/S)2中で0.5から2である、
ブロック共重合体により達成されることを見出した。
メルトボリュームレートMVR(200℃/5kg)は、ISO1133により測定された。
構造S1−(B/S)1−(B/S)2−S2の線状スチレン−ブタジエンブロック共重合体は、溶媒としてシクロヘキサンを用い、温度60から90℃で、スチレンおよびブタジエンの逐次アニオン重合により得られた。このために、598Lのシクロヘキサンおよび1235Lの1.5Mのsec−ブチルリチウム溶液(n−ヘキサン/シクロヘキサン)を最初に1500L攪拌反応器に入れ、ブロックS1を製造するために必要なスチレンの量を計量導入した。すべてのスチレンが消費された後に、カリウムテトラヒドロリナロアートをランダマイザーとして加え、ブロック(B/S)1および(B/S)2を表1に示されたスチレンとブタジエンからなる混合物を添加することによって付加した。最後に、スチレンブロックS2を重合させ、イソプロパノールを用いて停止した。ブロック共重合体は、120000g/モルのモル質量Mnを持つ。開始剤/ランダマイザー(Li/K)のモル比と、全体の重合体に対しての各々のブロック中のスチレンとブタジエンの比率は表1に示されている。実施例1から4では、全部で156kgのスチレンと44kgのブタジエンを使用し、実施例5では、152kgのスチレンと48kgのブタジエンを使用した。
構造IとIIの星型スチレン−ブタジエンブロック共重合体を、60から90℃で、溶媒としてシクロヘキサンを用いてスチレンとブタジエンの逐次アニオン重合を行い、ついでエポキシ化亜麻仁油(Edenol B 316 ヘンケル製)をカップリングさせて得た。
実施例1から5と同様の方法で、S1−(B/S)1−(B/S)2−S2の構造の線状スチレン−ブタジエンブロック共重合体を、スチレンとブタジエンの逐次アニオン重合より製造した。カリウムテトラヒドロリナロラートの替わりにカリウムtert−アミラート(PTA)をランダマイザーとして使用した。リチウム/カリウムのモル比は38:1であった。
211ml(192g)のスチレン
10.4mlのsec−ブチルリチウム(1.4Mシクロヘキサン/n−ヘキサン90/10溶液)
カリウムtert−アミラート(PTA)1.07ml(0.338Mシクロヘキサン溶液)
335ml(219g)のブタジエンおよび146ml(133g)のスチレンの同時の添加
276ml(181g)のブタジエンおよび276ml(251g)のスチレンの同時の添加
686ml(624g)のスチレンの添加
0.968mlのPTA(Li/K=42:1)がランダマイザーとして使用された他は、実施例9が繰り返された。
3.62mlのカリウムテトラヒドロリナロアート0.1Mシクロヘキサン溶液がランダマイザーとして使用された他は、実施例9が繰り返された。
参考例12から19のブロック共重合体のそれぞれを、標準的なポリスチレン(PS 158K、BASF製)と、重量比30/70(ブロック共重合体/PS)で混合した。
Claims (8)
- 芳香族ビニルモノマーから製造された少なくとも2種の硬質ブロックS1およびS2と、
芳香族ビニルモノマーとジエンから製造された少なくとも1種のランダム軟質ブロックB/Sとを含み、
軟質ブロックB/S中の1,2−ビニル含量が20%未満であり、
硬質ブロックの比率が、全ブロック共重合体に対して51質量%から74質量%であり、
ジエンから成る単独重合体ブロックBを含まず、
S1のモル質量が5000から30000g/モルであり、
S2のモル質量が35000g/モルを上回り、
直線構造S1−(B/S)1−(B/S)2−S2から成り、
芳香族ビニルモノマーのジエンに対するモル比S/Bがブロック(B/S)1中で0.32以下であり、ブロック(B/S)2中で0.5から2である、
ブロック共重合体。 - 硬質ブロックS1およびS2の間に芳香族ビニルモノマーの相対的比率が異なる少なくとも2種のランダム軟質ブロック(B/S)1と(B/S)2が存在する、請求項1に記載のブロック共重合体。
- 軟質ブロックB/S中の1,2−ビニル含量が10から20%の範囲にある、請求項1又は2に記載のブロック共重合体。
- 請求項1に記載されたブロック共重合体と、他のスチレン重合体から製造された重合体混合物。
- 逐次アニオン重合により、ブロック共重合体を形成させ、且つ少なくとも軟質ブロック(B/S)の重合を、カリウム塩の存在下で行うことを特徴とする請求項1から3のいずれかに記載のブロック共重合体の製造方法。
- アニオン重合開始剤のカリウム塩に対するモル比が、10:1から100:1である、請求項3に記載のブロック共重合体の製造方法。
- 使用するカリウム塩が少なくとも5個の炭素原子を有する3級アルコールのカリウムアルコラートを含む、請求項5または6に記載のブロック共重合体の製造方法。
- 使用するカリウム塩が、カリウム2−メチルブタノラート、カリウム2,2−ジメチル−1−プロパノラート、カリウム2,3−ジメチル−3−ペンタノラート、カリウム3,7−ジメチル−3−オクタノラートまたはカリウム3−エチル−3−ペンタノラートを含む、請求項5から7のいずれかに記載のブロック共重合体の製造方法。
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DE2550227C2 (de) | 1975-11-08 | 1984-12-20 | Basf Ag, 6700 Ludwigshafen | Verzweigte Blockcopolymerisate und Verfahren zu ihrer Herstellung |
US4603155A (en) | 1983-03-10 | 1986-07-29 | Japan Synthetic Rubber Co., Ltd. | Alkenyl aromatic compound-conjugated diene block copolymer and process for the production thereof |
LU86698A1 (fr) | 1986-12-04 | 1988-07-14 | Labofina Sa | Procede pour fabriquer des copolymeres blocs transparents |
CA2134026C (en) | 1993-11-15 | 1998-06-09 | William J. Trepka | Tapered block copolymers of monovinylarenes and conjugated dienes |
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1999
- 1999-03-27 DE DE19914075A patent/DE19914075A1/de not_active Withdrawn
- 1999-12-23 US US09/471,288 patent/US6521712B1/en not_active Expired - Lifetime
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2000
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