JP7110834B2 - シートモールディングコンパウンド用エポキシ樹脂組成物、シートモールディングコンパウンド、及び成形品 - Google Patents
シートモールディングコンパウンド用エポキシ樹脂組成物、シートモールディングコンパウンド、及び成形品 Download PDFInfo
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- JP7110834B2 JP7110834B2 JP2018163085A JP2018163085A JP7110834B2 JP 7110834 B2 JP7110834 B2 JP 7110834B2 JP 2018163085 A JP2018163085 A JP 2018163085A JP 2018163085 A JP2018163085 A JP 2018163085A JP 7110834 B2 JP7110834 B2 JP 7110834B2
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- Prior art keywords
- epoxy resin
- resin
- molding compound
- sheet molding
- epoxy
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- 239000004925 Acrylic resin Substances 0.000 description 3
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- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 3
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- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
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- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 2
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- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 2
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- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 description 1
- IIGAAOXXRKTFAM-UHFFFAOYSA-N N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C Chemical compound N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C IIGAAOXXRKTFAM-UHFFFAOYSA-N 0.000 description 1
- 229920000784 Nomex Polymers 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- UUQQGGWZVKUCBD-UHFFFAOYSA-N [4-(hydroxymethyl)-2-phenyl-1h-imidazol-5-yl]methanol Chemical compound N1C(CO)=C(CO)N=C1C1=CC=CC=C1 UUQQGGWZVKUCBD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XFSBVAOIAHNAPC-WSORPINJSA-N acetylbenzoylaconine Chemical compound O([C@H]1[C@]2(O)C[C@H]3C45[C@@H]6[C@@H]([C@@]([C@H]31)(OC(C)=O)[C@@H](O)[C@@H]2OC)[C@H](OC)C4[C@]([C@@H](C[C@H]5OC)O)(COC)CN6CC)C(=O)C1=CC=CC=C1 XFSBVAOIAHNAPC-WSORPINJSA-N 0.000 description 1
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- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000004844 aliphatic epoxy resin Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
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- 239000010425 asbestos Substances 0.000 description 1
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- 239000010428 baryte Substances 0.000 description 1
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- 230000001588 bifunctional effect Effects 0.000 description 1
- JRPRCOLKIYRSNH-UHFFFAOYSA-N bis(oxiran-2-ylmethyl) benzene-1,2-dicarboxylate Chemical compound C=1C=CC=C(C(=O)OCC2OC2)C=1C(=O)OCC1CO1 JRPRCOLKIYRSNH-UHFFFAOYSA-N 0.000 description 1
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- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
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- 239000000292 calcium oxide Substances 0.000 description 1
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- 239000004203 carnauba wax Substances 0.000 description 1
- 235000013869 carnauba wax Nutrition 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- JXCGFZXSOMJFOA-UHFFFAOYSA-N chlorotoluron Chemical compound CN(C)C(=O)NC1=CC=C(C)C(Cl)=C1 JXCGFZXSOMJFOA-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
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- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 1
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- HNPDNOZNULJJDL-UHFFFAOYSA-N ethyl n-ethenylcarbamate Chemical compound CCOC(=O)NC=C HNPDNOZNULJJDL-UHFFFAOYSA-N 0.000 description 1
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- 239000003063 flame retardant Substances 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 1
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- 239000003365 glass fiber Substances 0.000 description 1
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- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- 150000002357 guanidines Chemical class 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 150000002440 hydroxy compounds Chemical class 0.000 description 1
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- 239000003112 inhibitor Substances 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
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- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
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- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- VYKXQOYUCMREIS-UHFFFAOYSA-N methylhexahydrophthalic anhydride Chemical compound C1CCCC2C(=O)OC(=O)C21C VYKXQOYUCMREIS-UHFFFAOYSA-N 0.000 description 1
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- 238000001471 micro-filtration Methods 0.000 description 1
- JAYXSROKFZAHRQ-UHFFFAOYSA-N n,n-bis(oxiran-2-ylmethyl)aniline Chemical compound C1OC1CN(C=1C=CC=CC=1)CC1CO1 JAYXSROKFZAHRQ-UHFFFAOYSA-N 0.000 description 1
- ADGJZVKOKVENDN-UHFFFAOYSA-N n-(butoxymethyl)-2-methylprop-2-enamide Chemical compound CCCCOCNC(=O)C(C)=C ADGJZVKOKVENDN-UHFFFAOYSA-N 0.000 description 1
- UTSYWKJYFPPRAP-UHFFFAOYSA-N n-(butoxymethyl)prop-2-enamide Chemical compound CCCCOCNC(=O)C=C UTSYWKJYFPPRAP-UHFFFAOYSA-N 0.000 description 1
- DNTMQTKDNSEIFO-UHFFFAOYSA-N n-(hydroxymethyl)-2-methylprop-2-enamide Chemical compound CC(=C)C(=O)NCO DNTMQTKDNSEIFO-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- VSWALKINGSNVAR-UHFFFAOYSA-N naphthalen-1-ol;phenol Chemical compound OC1=CC=CC=C1.C1=CC=C2C(O)=CC=CC2=C1 VSWALKINGSNVAR-UHFFFAOYSA-N 0.000 description 1
- 150000004780 naphthols Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004763 nomex Substances 0.000 description 1
- AFEQENGXSMURHA-UHFFFAOYSA-N oxiran-2-ylmethanamine Chemical class NCC1CO1 AFEQENGXSMURHA-UHFFFAOYSA-N 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
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- IGALFTFNPPBUDN-UHFFFAOYSA-N phenyl-[2,3,4,5-tetrakis(oxiran-2-ylmethyl)phenyl]methanediamine Chemical compound C=1C(CC2OC2)=C(CC2OC2)C(CC2OC2)=C(CC2OC2)C=1C(N)(N)C1=CC=CC=C1 IGALFTFNPPBUDN-UHFFFAOYSA-N 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
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- 229920005990 polystyrene resin Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
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- 239000005060 rubber Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
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- 229920002379 silicone rubber Polymers 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
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- 239000003381 stabilizer Substances 0.000 description 1
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- 229910052623 talc Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- 239000000326 ultraviolet stabilizing agent Substances 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Landscapes
- Reinforced Plastic Materials (AREA)
- Polyurethanes Or Polyureas (AREA)
Description
測定装置:東ソー株式会社製「HLC-8220 GPC」、
カラム:東ソー株式会社製ガードカラム「HXL-L」
+東ソー株式会社製「TSK-GEL G2000HXL」
+東ソー株式会社製「TSK-GEL G2000HXL」
+東ソー株式会社製「TSK-GEL G3000HXL」
+東ソー株式会社製「TSK-GEL G4000HXL」
検出器:RI(示差屈折計)
データ処理:東ソー株式会社製「GPC-8020モデルIIバージョン4.10」
測定条件: カラム温度 40℃
展開溶媒 テトラヒドロフラン
流速 1.0ml/分
標準試料:前記「GPC-8020モデルIIバージョン4.10」の測定マニュアルに準拠して、分子量が既知の下記の単分散ポリスチレンを用いた。
東ソー株式会社製「A-500」
東ソー株式会社製「A-1000」
東ソー株式会社製「A-2500」
東ソー株式会社製「A-5000」
東ソー株式会社製「F-1」
東ソー株式会社製「F-2」
東ソー株式会社製「F-4」
東ソー株式会社製「F-10」
東ソー株式会社製「F-20」
東ソー株式会社製「F-40」
東ソー株式会社製「F-80」
東ソー株式会社製「F-128」
試料:樹脂固形分換算で1.0質量%のテトラヒドロフラン溶液をマイクロフィルターでろ過したもの(50μl)。
窒素導入管、冷却管、温度計、および撹拌機をセットしたフラスコに、エピクロロヒドリン925質量部(10.0mol)および5%水酸化ナトリウム水溶液92質量部を仕込、80℃まで昇温後、8時間攪拌した。その後、60℃まで温度を下げた後、ビスフェノールA114質量部(1.0mol)、n-ブタノール139質量部、およびテトラエチルベンジルアンモニウムクロリド2質量部を仕込み、溶解させた。49%水酸化ナトリウム水溶液90質量部(1.1mol)を5時間かけて滴下した後、未反応のエピクロロヒドリンを減圧蒸留により留出させ、得られた粗生成物にメチルエチルケトン59質量部およびn-ブタノール177質量部を加えて溶解した。次いで、10%水酸化ナトリウム水溶液10質量部を添加して80℃まで昇温し、2時間反応させた。得られた反応物を水150質量部で水洗した。これを3回繰り返し、洗浄液のPHが中性となったことを確認した。共沸による脱水操作を行い、精密濾過後、溶媒を減圧条件下で留去して、エポキシ樹脂(A-1)210質量部を得た。エポキシ樹脂(A-1)は、α-グリコール基:0.3 meq/g、エポキシ当量:199g/eq、粘度:17,400mPa・s、数平均分子量:208であった。
エポキシ樹脂(A-1)90質量部、エポキシ希釈剤(ANHUI XINYUAN Chemical社製「XY-622」、1,4-ブタンジオールジグリシジルエーテル、エポキシ当量:131g/eq、α-グリコール:0.04 meq/g、粘度:17mPa・s、数平均分子量;143)10質量部、内部離型剤(ダイキン工業社製「FB-962」)0.8質量部、エポキシ樹脂用硬化剤(三菱ケミカル株式会社製「DICY7」、ジシアンジアミド)8質量部、硬化促進剤(DIC株式会社製「B-605-IM」、アルキル尿素系)5質量部を三本ロールにて混合し、熱可塑性樹脂粒子(アイカ工業株式会社製「F303」、コアシェル型ポリ(メタ)アクリル酸エステル系有機微粒子)1.4質量部、ポリイソシアネート(三井化学株式会社製「コスモネートLL」、カルボジイミド変性MDI、粘度:35mPa・s)28.8質量部を混合し、SMC用エポキシ樹脂組成物(X-1)を得た。
試料3gを25mlのクロロホルムに溶解し、ベンジルトリメチル過沃素酸アンモニウム溶液25mlを加え、2時間半反応させ、2規定硫酸水溶液5m1,20%沃化カリウム水溶液15mlを加え、0.1規定チオ硫酸ナトリウム溶液で滴定した。
JIS K-7071に準拠し、SMC用エポキシ樹脂組成物(X-1)10gを温度:150℃、荷重:5N、加圧時間:30秒にて加圧し、溶融樹脂の広がりについて、合計が最大長さとなるように、垂直方向2方向の長さの合計にて評価した。
○:50mm以上100mm未満であり、溶融粘度が適正である
×:100mm以上であり、溶融粘度が低く、樹脂が流れすぎている
調製直後の各SMC用エポキシ樹脂組成物(X-1)を25℃の条件下、東機産業社製VISCOMETER RB-85Hにて測定した。
25℃で24時間熟成後のエポキシ樹脂組成物(X-1)を25℃の条件下、東機産業社製VISCOMETER RB-85Hにて測定し、下記の基準にて評価した。
○:粘度10,000mPa・s以上であった
×:粘度10,000mPa・s未満であった
上記で得られた樹脂組成物(X-1)を、ポリエチレンとポリプロピレンのラミネートフィルム上に塗布量が平均1kg/m2となるよう塗布し、この上に、炭素繊維ロービング(東レ株式会社製「T700SC-12000-50C」)を12.5mmにカットした炭素繊維(以下、繊維強化材(E-1)と略記する。)を繊維方向性が無く厚みが均一で炭素繊維含有率が47質量%になるよう空中から均一落下させ、同様に樹脂組成物(X-1)を塗布したフィルムで挟み込み炭素繊維に樹脂を含浸させた後、25℃中に24時間静置し、SMC(Y-1)を得た。このSMCの目付け量は、2kg/m2であった。
上記で得られたSMC(Y-1)を、23℃にて、ポリプロピレンフィルムからの剥離性を確認し、以下の4段階評価で表した。
◎:べたつきが無く、簡単にフィルムから剥がし易い。
○:わずかにべたつき感があるものの、容易にフィルムから剥がすことができる。
△:べたつきがあり、一部フィルムから剥がす時に付着物が残る。
×:フィルムに密着する。
上記で得られたSMC(Y-1)を、金型温度150℃、加圧時間7分、加圧力10MPaの成形条件にて30cm角金型の投影面積に対し75%チャージ率にて加圧成形し、板厚2mmの平板成形品(Z-1)を得た。
上記で得られた各平板成形品(Z-1)から、試験片を切り出し、この試験片について、TAインスツルメント社製の「DSC Q-100」を用い、昇温速度:10℃/min 、降温速度:急冷 、2nd-run測定にて、ガラス転移温度(Tg)を測定し、下記の基準に従い耐熱性を評価した。
○:ガラス転移温度が100℃以上
×:ガラス転移温度が100℃未満
表1の組成とした以外は実施例1と同様にして、SMC用樹脂組成物(X-2)~(X-6)、SMC(Y-2)~(Y-6)、及び成形品(Z-1)~(Z-6)を得、各評価を行った。
表2の組成とした以外は実施例1と同様にして、SMC用樹脂組成物(RX-1)~(RX-3)、SMC(RY-1)~(RY-3)、及び成形品(RZ-1)~(RZ-3)を得、各評価を行った。
Claims (6)
- α-グリコール基を0.1~1meq/gの範囲で有するエポキシ樹脂(A)、ポリイソシアネート(B)、及びエポキシ樹脂用硬化剤(C)を含有することを特徴とするシートモールディングコンパウンド用エポキシ樹脂組成物。
- 前記ポリイソシアネート(B)中のイソシアネート基(NCO)と前記エポキシ樹脂(A)中のα-グリコール基(αOH)とのモル比(NCO/αOH)が、0.1~30の範囲である請求項1記載のシートモールディングコンパウンド用エポキシ樹脂組成物。
- 前記ポリイソシアネート(B)が、芳香族ポリイソシアネートである請求項1又は2記載のシートモールディングコンパウンド用エポキシ樹脂組成物。
- さらに熱可塑性樹脂粒子(D)を含有するものである請求項1~3いずれか1項記載のシートモールディングコンパウンド用エポキシ樹脂組成物。
- 請求項1~4いずれか1項記載のシートモールディングコンパウンド用エポキシ樹脂組成物及び繊維強化材(E)を含有することを特徴とするシートモールディングコンパウンド。
- 請求項5記載のシートモールディングコンパウンドの成形品。
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