WO2023106367A1 - Composition élastomère thermoplastique - Google Patents
Composition élastomère thermoplastique Download PDFInfo
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- WO2023106367A1 WO2023106367A1 PCT/JP2022/045275 JP2022045275W WO2023106367A1 WO 2023106367 A1 WO2023106367 A1 WO 2023106367A1 JP 2022045275 W JP2022045275 W JP 2022045275W WO 2023106367 A1 WO2023106367 A1 WO 2023106367A1
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- elastomer composition
- thermoplastic elastomer
- polymer
- block copolymer
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- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 125000004018 acid anhydride group Chemical group 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 229920006222 acrylic ester polymer Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 150000008431 aliphatic amides Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000005250 alkyl acrylate group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- FTWHFXMUJQRNBK-UHFFFAOYSA-N alpha-Methylen-gamma-aminobuttersaeure Natural products NCCC(=C)C(O)=O FTWHFXMUJQRNBK-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003429 antifungal agent Substances 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- GCTPMLUUWLLESL-UHFFFAOYSA-N benzyl prop-2-enoate Chemical compound C=CC(=O)OCC1=CC=CC=C1 GCTPMLUUWLLESL-UHFFFAOYSA-N 0.000 description 1
- VBICKXHEKHSIBG-UHFFFAOYSA-N beta-monoglyceryl stearate Natural products CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000004067 bulking agent Substances 0.000 description 1
- IMJGQTCMUZMLRZ-UHFFFAOYSA-N buta-1,3-dien-2-ylbenzene Chemical compound C=CC(=C)C1=CC=CC=C1 IMJGQTCMUZMLRZ-UHFFFAOYSA-N 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical class C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- BRXCDHOLJPJLLT-UHFFFAOYSA-N butane-2-sulfonic acid Chemical compound CCC(C)S(O)(=O)=O BRXCDHOLJPJLLT-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000008395 clarifying agent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000003484 crystal nucleating agent Substances 0.000 description 1
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- KBLWLMPSVYBVDK-UHFFFAOYSA-N cyclohexyl prop-2-enoate Chemical compound C=CC(=O)OC1CCCCC1 KBLWLMPSVYBVDK-UHFFFAOYSA-N 0.000 description 1
- FWLDHHJLVGRRHD-UHFFFAOYSA-N decyl prop-2-enoate Chemical compound CCCCCCCCCCOC(=O)C=C FWLDHHJLVGRRHD-UHFFFAOYSA-N 0.000 description 1
- 229920000359 diblock copolymer Polymers 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229940069096 dodecene Drugs 0.000 description 1
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- FKIRSCKRJJUCNI-UHFFFAOYSA-N ethyl 7-bromo-1h-indole-2-carboxylate Chemical compound C1=CC(Br)=C2NC(C(=O)OCC)=CC2=C1 FKIRSCKRJJUCNI-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical group CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- APPOKADJQUIAHP-UHFFFAOYSA-N hexa-2,4-diene Chemical compound CC=CC=CC APPOKADJQUIAHP-UHFFFAOYSA-N 0.000 description 1
- LNMQRPPRQDGUDR-UHFFFAOYSA-N hexyl prop-2-enoate Chemical compound CCCCCCOC(=O)C=C LNMQRPPRQDGUDR-UHFFFAOYSA-N 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 1
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000006224 matting agent Substances 0.000 description 1
- 229940127554 medical product Drugs 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- KKFHAJHLJHVUDM-UHFFFAOYSA-N n-vinylcarbazole Chemical compound C1=CC=C2N(C=C)C3=CC=CC=C3C2=C1 KKFHAJHLJHVUDM-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- HMZGPNHSPWNGEP-UHFFFAOYSA-N octadecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)=C HMZGPNHSPWNGEP-UHFFFAOYSA-N 0.000 description 1
- NZIDBRBFGPQCRY-UHFFFAOYSA-N octyl 2-methylprop-2-enoate Chemical compound CCCCCCCCOC(=O)C(C)=C NZIDBRBFGPQCRY-UHFFFAOYSA-N 0.000 description 1
- ANISOHQJBAQUQP-UHFFFAOYSA-N octyl prop-2-enoate Chemical compound CCCCCCCCOC(=O)C=C ANISOHQJBAQUQP-UHFFFAOYSA-N 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-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
- ULDDEWDFUNBUCM-UHFFFAOYSA-N pentyl prop-2-enoate Chemical compound CCCCCOC(=O)C=C ULDDEWDFUNBUCM-UHFFFAOYSA-N 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- WRAQQYDMVSCOTE-UHFFFAOYSA-N phenyl prop-2-enoate Chemical compound C=CC(=O)OC1=CC=CC=C1 WRAQQYDMVSCOTE-UHFFFAOYSA-N 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 150000003021 phthalic acid derivatives Chemical class 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
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000233 poly(alkylene oxides) Chemical group 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229920006306 polyurethane fiber Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- BOQSSGDQNWEFSX-UHFFFAOYSA-N propan-2-yl 2-methylprop-2-enoate Chemical compound CC(C)OC(=O)C(C)=C BOQSSGDQNWEFSX-UHFFFAOYSA-N 0.000 description 1
- LYBIZMNPXTXVMV-UHFFFAOYSA-N propan-2-yl prop-2-enoate Chemical group CC(C)OC(=O)C=C LYBIZMNPXTXVMV-UHFFFAOYSA-N 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical group CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000011359 shock absorbing material Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000012321 sodium triacetoxyborohydride Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- VQOXUMQBYILCKR-UHFFFAOYSA-N tridecaene Natural products CCCCCCCCCCCC=C VQOXUMQBYILCKR-UHFFFAOYSA-N 0.000 description 1
- KEROTHRUZYBWCY-UHFFFAOYSA-N tridecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCOC(=O)C(C)=C KEROTHRUZYBWCY-UHFFFAOYSA-N 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- 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
-
- 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
-
- 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
-
- 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
Definitions
- resin compositions which are rubber-like soft materials that do not require a vulcanization process and have moldability similar to that of thermoplastic resins, have been used in automobile parts, industrial products, medical equipment, food equipment parts, miscellaneous goods, etc. are attracting attention in the field of
- a resin composition made of a polystyrene-based elastomer that has thermoplasticity and is capable of injection insert molding a resin composition made of a urethane-based elastomer, a resin composition made of a polyester-based elastomer, or A resin composition comprising an acrylic elastomer is used.
- the injection insert molding method is a molding method in which a resin such as an elastomer is simply inserted into a base material in the injection molding process, and the resin is fused and integrated with the base material.
- This manufacturing method can simplify the manufacturing process and reduce the cost, and can impart toughness and airtightness to the product, compared to the manufacturing method of assembling the respective parts.
- the insert resin is required to have excellent adhesiveness to the base resin.
- Patent Document 1 discloses a polycarbonate resin composition containing styrene-based elastomers, acrylic elastomers, etc., having excellent flexibility, rubber elasticity, water resistance, weather resistance and moldability.
- Thermoplastic resin compositions and their composite moldings have been reported which are excellent in thermal adhesiveness to polar materials such as polar materials, excellent in coatability with urethane-based paints, acrylic-based paints, and the like, and impart excellent tensile strength.
- Patent Document 2 by using a controlled distribution type styrene block copolymer and an acrylic block copolymer together, it has heat-sealing properties to polar resins and good heat-sealing properties to polyacetal. Compositions have been reported to have ductility and moldability. In addition, Non-Patent Document 1 reports a composition containing a styrene-based elastomer, an acrylic block copolymer, etc., which is excellent in flexibility, tensile properties, transparency, and has excellent adhesion to polar materials. there is
- Patent Document 3 reports a resin composition containing two specific acrylic block copolymers as a resin composition capable of suppressing contamination by oleic acid and having excellent flexibility. Furthermore, in recent years, compositions with high transparency have been desired from the viewpoint of visibility and design.
- Patent Documents 1 and 2 or Non-Patent Document 1 problems related to chemical resistance such as oleic acid resistance were not recognized, and the performance was not sufficient. Furthermore, in the above-mentioned patent documents and non-patent documents, although the adhesion to polycarbonate is shown, there is still room for improvement, and it cannot be said that the adhesion to other polar resins is necessarily excellent. On the other hand, in Patent Document 3, the adhesion to polar resins was not sufficient.
- an object of the present invention is to provide a thermoplastic elastomer composition which is excellent in flexibility, transparency, and adhesion to polar resins such as polycarbonate, and which is excellent in chemical resistance such as oleic acid resistance, and a thermoplastic elastomer composition using the same.
- Another object of the present invention is to provide a molded article having a high strength.
- Another object of the present invention in addition to the above object, is to provide a molded article having excellent adhesion to polyacetal, acrylonitrile-butadiene-styrene resin (ABS resin) or acrylonitrile-styrene resin (AS resin) as a polar resin. to provide.
- ABS resin acrylonitrile-butadiene-styrene resin
- AS resin acrylonitrile-styrene resin
- the content of the specific acrylic block copolymer (B), the aromatic polymer (C) and the softening agent (D) in the range of 1% by mass or more and 100% by mass or less in the polymer block (b1) It has been found that the above problems can be solved by a thermoplastic elastomer composition obtained by blending the above in a pre
- A 100 parts by mass, acrylic block copolymer (B) 20 to 900 parts by mass, aromatic polymer (C) 3 to 150 parts by mass, and softening agent (D) 20 to A thermoplastic elastomer composition containing 450 parts by mass
- two or more polymer blocks (a1) containing structural units derived from an aromatic vinyl compound and a polymer block containing a structural unit derived from a conjugated diene are hydrogenated.
- the acrylic block copolymer (B) contains one or more polymer blocks (b1) containing a structural unit derived from an acrylic acid ester and a polymer block (b2) containing a structural unit derived from a methacrylic acid ester.
- the polymer block (b1) is an acrylic acid ester ( b1 -1)-derived structural unit, and the content of the structural unit derived from the acrylic ester (b1-1) is in the range of 1% by mass or more and 100% by mass or less in the polymer block (b1).
- a plastic elastomer composition [2] The thermoplastic elastomer composition of [1], wherein the acrylic block copolymer (B) has a weight average molecular weight in the range of 30,000 to 300,000.
- the aromatic polymer (C) has a structural unit derived from a monomer containing at least one selected from the group consisting of styrene, ⁇ -methylstyrene, and 4-methylstyrene, [1] Or the thermoplastic elastomer composition of [2].
- the acrylic block copolymer (B) has a molecular weight distribution in the range of 1.0 to 1.4, and two polymer blocks (b2) are bonded to both ends of the polymer block (b1).
- the thermoplastic elastomer composition according to any one of [1] to [3], which is a triblock copolymer.
- thermoplastic elastomer composition according to any one of [1] to [4], which has a total light transmittance of 65% or more as measured according to JIS K 7361-1 with a sample having a thickness of 2 mm.
- mass ratio ((D)/(B)) of the softener (D) to the acrylic block copolymer (B) is 5.0 or less.
- thermoplastic elastomer composition of [8] The thermoplastic elastomer composition of any one of [1] to [7], further comprising 3 to 250 parts by mass of an olefin resin (E).
- E olefin resin
- a composite molded article comprising a structure made of the thermoplastic elastomer composition according to any one of [1] to [9] and a structure made of a material other than the thermoplastic elastomer composition.
- thermoplastic elastomer composition which is excellent in flexibility, transparency, and adhesion to polar resins such as polycarbonate, and which is excellent in chemical resistance such as oleic acid resistance, and a molded article using the same. be able to.
- (meth)acrylic acid ester means “methacrylic acid ester” or “acrylic acid ester”
- (meth)acrylic means “methacrylic” or “acrylic”
- (Meth)acryloyl means “acryloyl” or "methacryloyl”.
- the thermoplastic elastomer composition of the present invention has a weight average molecular weight of 120,000 or more and 500,000 or less, two or more polymer blocks (a1) containing structural units derived from an aromatic vinyl compound, and a conjugated One or more polymer blocks (a2) having a structure in which a polymer block containing a diene-derived structural unit is hydrogenated, and the content of the polymer block (a1) is 10% by mass or more and 60% by mass.
- a block copolymer (A) having a range of less than 1, one or more polymer blocks (b1) containing a structural unit derived from an acrylic acid ester, and a polymer block (b2) containing a structural unit derived from a methacrylic acid ester and the polymer block (b1) is represented by the general formula CH 2 ⁇ CH—COOR 1 (1) (in formula (1), R 1 represents an organic group having 1 to 3 carbon atoms) contains a structural unit derived from the acrylic ester (b1-1), and the content of the structural unit derived from the acrylic ester (b1-1) is 1% by mass or more and 100% by mass or less in the polymer block (b1) It is characterized by containing an acrylic block copolymer (B), an aromatic polymer (C), a softening agent (D), and an olefin resin (E) in a specific mass ratio.
- R 1 represents an organic group having 1 to 3 carbon atoms
- the block copolymer (A) used in the present invention contains two or more polymer blocks (a1) comprising an aromatic vinyl compound in the molecule, and the polymer block comprising a conjugated diene compound is hydrogenated.
- the polymer block (a1) contains a structural unit derived from an aromatic vinyl compound.
- aromatic vinyl compounds include styrene, ⁇ -methylstyrene, 2-methylstyrene, 3-methylstyrene, 4-methylstyrene, 4-propylstyrene, 4-t-butylstyrene, 4-cyclohexylstyrene, 4- Dodecylstyrene, 2,4-dimethylstyrene, 2,4-diisopropylstyrene, 2,4,6-trimethylstyrene, 2-ethyl-4-benzylstyrene, 4-(phenylbutyl)styrene, 1-vinylnaphthalene, 2- Examples include vinylnaphthalene, vinylanthracene, N,N-diethyl-4-aminoethylstyrene, vinylpyridine, 4-methoxystyrene, monochlorosty
- the polymer block (a1) contains structural units derived from monomers other than the aromatic vinyl compound, such as monomers constituting the polymer block (a2) described later. good too.
- the content of the aromatic vinyl compound-derived structural unit in the polymer block (a1) is preferably 60% by mass or more, more preferably 70% by mass or more, still more preferably 80% by mass or more, and 90% by mass or more. is more preferable, and 100% by mass is particularly preferable.
- the polymer block (a2) contains structural units derived from conjugated dienes.
- conjugated dienes include, for example, butadiene, isoprene, 2,3-dimethyl-butadiene, 2-phenyl-butadiene, 1,3-pentadiene, 2-methyl-1,3-pentadiene, 1,3-hexadiene, 1, 3-octadiene, 1,3-cyclohexadiene, 2-methyl-1,3-octadiene, 1,3,7-octatriene, myrcene, farnesene, chloroprene and the like.
- conjugated dienes may be used singly or in combination of two or more. Among these, butadiene, isoprene and farnesene are preferred.
- the farnesene may be either ⁇ -farnesene or ⁇ -farnesene represented by the following formula (1), but ⁇ -farnesene is preferable from the viewpoint of ease of production of the block copolymer (P). Note that ⁇ -farnesene and ⁇ -farnesene may be used in combination.
- the polymer block (a2) may contain structural units derived from monomers other than the conjugated diene, for example, monomers constituting the polymer block (a1) described above.
- the content of the conjugated diene-derived structural unit in the polymer block (a2) is preferably 60% by mass or more, more preferably 70% by mass or more, still more preferably 80% by mass or more, and more preferably 90% by mass or more. More preferably, it is particularly preferably 100% by mass.
- the polymer block (a2) is a polymer block having a structure in which a polymer block composed of a conjugated diene is hydrogenated.
- the hydrogenation rate is preferably 80 mol % or more, more preferably 90 mol % or more.
- the hydrogenation reaction is performed on the block copolymer (P) before the block copolymer (A) is hydrogenated, and usually only the polymer block portion composed of the conjugated diene is hydrogenated.
- the hydrogenation rate of carbon-carbon double bonds in the polymer block (a2) is preferably 50 to 100 mol%, more preferably 70 to 100 mol%, more preferably 75 to 100 mol, from the viewpoint of heat resistance and weather resistance.
- the hydrogenation rate can be calculated by measuring 1 H-NMR of the block copolymer (P) and the hydrogenated block copolymer (A).
- the block copolymer (A) contains two or more polymer blocks (a1) and one or more polymer blocks (a2).
- the bonding form of the polymer block (a1) and the polymer block (a2) is not particularly limited, and may be linear, branched, radial, or a combination of two or more thereof. Among these, a form in which each block is linked in a straight chain is preferable.
- the bonding form includes blocks in the order of the polymer block (a1), the polymer block (a2), and the polymer block (a1) (polymer block ( Two polymer blocks (a1) are bonded to both ends of a2), and the hydrogenated block copolymer (A) is a hydrogenated triblock copolymer represented by a1-a2-a1. things are preferred.
- the two or more polymer blocks (a1) may be polymer blocks composed of the same structural units or polymer blocks composed of different structural units.
- each polymer block may be a polymer block composed of the same structural unit or a polymer block composed of different structural units. good.
- the respective aromatic vinyl compounds may be of the same or different types.
- block copolymers (A) comprising block units having a controlled distribution structure
- block copolymers (A) comprising block units having a controlled distribution structure
- the entire contents of the '981 application are incorporated herein by reference.
- the controlled incorporation of vinyl aromatic compounds into diene midblocks creates novel midblock structures with unique characteristics, resulting in higher glass transition temperatures, lower This results in order-disorder transition temperatures, lower entanglement molecular weights, and the like.
- the content of the polymer block (a1) in the block copolymer (A) is 10% by mass or more and less than 60% by mass. Within this range, a thermoplastic elastomer composition having excellent flexibility and moldability can be obtained. From this point of view, the content of the polymer block (a1) is preferably 12% by mass or more, more preferably 15% by mass or more, and even more preferably 20% by mass or more. Moreover, the content of the polymer block (a1) is preferably 58% by mass or less, more preferably 50% by mass or less, still more preferably 45% by mass or less, and particularly preferably 35% by mass or less.
- the content of the polymer block (a2) in the block copolymer (A) is usually 40% by mass or more and 90% by mass or less, preferably 42% by mass or more, more preferably 50% by mass or more, and 55% by mass. % or more is more preferable, and 65% by mass or more is even more preferable. Moreover, 88 mass % or less is preferable, 85 mass % or less is more preferable, and 80 mass % or less is further preferable.
- a polymer block which should strictly be written as a1-X-a1 (X represents a coupling agent residue) is written as a1 as a whole.
- this type of polymer block containing a coupling agent residue is treated as described above.
- a block copolymer to be used is denoted a1-a2-a1 and is treated as an example of a triblock copolymer.
- the total content of the polymer block (a1) and the polymer block (a2) in the block copolymer (A) is preferably 80% by mass or more, more preferably 90% by mass or more, and further 95% by mass or more. Preferably, 100% by mass is even more preferable.
- the weight average molecular weight (Mw) of the hydrogenated block copolymer (A) is 120,000 or more, preferably 130,000 or more, more preferably 135,000 or more, from the viewpoint of improving adhesion to polar resins. More preferably 140,000 or more, even more preferably 150,000 or more, and particularly preferably 160,000 or more. Moreover, it is 500,000 or less, preferably 450,000 or less, and more preferably 400,000 or less.
- the molecular weight distribution (Mw/Mn) of the block copolymer (A) is preferably 1-6, more preferably 1-4, even more preferably 1-3, and even more preferably 1-2. When the molecular weight distribution is within the above range, the hydrogenated block copolymer (A) has little variation in viscosity and is easy to handle.
- the weight average molecular weight (Mw) and number average molecular weight (Mn) of the hydrogenated block copolymer (A) are values obtained by gel permeation chromatography in terms of standard polystyrene, and the molecular weight distribution (Mw/Mn ) is a value calculated from the values of Mw and Mn.
- the block copolymer (A) contains polymer blocks composed of other monomers as long as the effect of the present invention is not impaired.
- Such other monomers include, for example, propylene, 1-butene, 1-pentene, 4-methyl-1-pentene, 1-hexene, 1-octene, 1-decene, 1-undecene, 1-dodecene, 1- Unsaturated hydrocarbon compounds such as tridecene, 1-tetradecene, 1-pentadecene, 1-hexadecene, 1-heptadecene, 1-octadecene, 1-nonadecene, 1-eicosene; acrylic acid, methacrylic acid, methyl acrylate, methyl methacrylate , acrylonitrile, methacrylonitrile, maleic acid, fumaric acid, crotonic acid, itaconic acid, 2-acryloylethan
- a commercially available product may be used as the block copolymer (A).
- Commercial products of the block copolymer (A) include Septon 4044, 4055, 4077, 4099, 8006, Hybler 7135, 7311 manufactured by Kuraray Co., Ltd., and G1654, G1651, G1659, A1535, A1536 manufactured by Kraton.
- One of these commercially available products may be used alone, or two or more may be used in combination.
- the acrylic block copolymer (B) comprises one or more polymer blocks (b1) containing a structural unit derived from an acrylic acid ester and one polymer block (b2) containing a structural unit derived from a methacrylic acid ester.
- the polymer block (b1) is an acrylic represented by the general formula CH 2 ⁇ CH—COOR 1 (1) (in formula (1), R 1 represents an organic group having 1 to 3 carbon atoms) It contains a structural unit derived from the acid ester (b1-1), and the content of the structural unit derived from the acrylic acid ester (b1-1) is in the range of 1% by mass or more and 100% by mass or less in the polymer block (b1). is.
- the acrylic block copolymer (B) contained in the thermoplastic elastomer of the present invention may be composed of only the block copolymer (BI) that satisfies all of the above characteristics by itself, or may be composed of a polymer Acrylic block copolymer (B-II ) may be contained.
- the acrylic block copolymer (B) is a polymer block (b1) as a state after mixing the acrylic block copolymer (BI) and the acrylic block copolymer (B-II).
- the content of the structural unit derived from the acrylic acid ester (b1-1) in (here, the average value of the polymer block (b1) and the polymer block (b1′)) is 1% by mass or more and 100% by mass or less Any other material that satisfies the various characteristics described above may be used.
- acrylic block copolymer (B-II) to be mixed include Clarity LA2140, LA2330, LA3320, LA2250, LA2270, LA4285, LA1892 manufactured by Kuraray Co., Ltd., and one of these commercial products is used alone. may be used, or two or more thereof may be used in combination.
- acrylic acid ester (b1-1) examples include acrylic acid esters having no functional groups such as methyl acrylate, ethyl acrylate, isopropyl acrylate, and n-propyl acrylate; 2-methoxyethyl acrylate, acrylic Acrylic acid esters having functional groups such as 2-hydroxyethyl acid, 2-aminoethyl acrylate, glycidyl acrylate, and the like can be mentioned.
- acrylic acid esters having no functional group are preferred, and methyl acrylate and ethyl acrylate are preferred, from the viewpoint of increasing the stain resistance of the obtained thermoplastic elastomer composition against substances contained in sebum such as oleic acid. More preferred is methyl acrylate.
- acrylic acid esters (b1-1) may be used alone or in combination of two or more.
- the acrylic ester unit constituting the polymer block (b1) has the general formula CH 2 ⁇ CH—COOR 2 (2) (wherein R 2 is the number of carbon atoms Representing 4 to 12 organic groups) (hereinafter simply referred to as acrylic ester (b1-2)) units may be contained.
- acrylic acid ester (b1-2) examples include n-butyl acrylate, isobutyl acrylate, sec-butyl acrylate, tert-butyl acrylate, amyl acrylate, isoamyl acrylate, n-hexyl acrylate, acrylic acrylic acid esters without functional groups such as 2-ethylhexyl acid, n-octyl acrylate, isooctyl acrylate, decyl acrylate, isobornyl acrylate, lauryl acrylate, cyclohexyl acrylate, phenyl acrylate, benzyl acrylate; Acrylic acid esters having functional groups such as 2-ethoxyethyl acrylate, 2-(diethylamino)ethyl acrylate, tetrahydrofurfuryl acrylate, and 2-phenoxyethyl acrylate can be mentioned.
- an acrylic ester having no functional group is used as the acrylic ester (b1-2) because the phase separation between the polymer block (b1) and the polymer block (b2) becomes clearer.
- alkyl acrylates having an alkyl group of 4 to 12 carbon atoms and more preferred are n-butyl acrylate and 2-ethylhexyl acrylate.
- thermoplastic elastomer composition against substances contained in sebum such as oleic acid
- the flexibility of the obtained thermoplastic elastomer composition at low temperatures (-40 to 10 ° C.)
- n-Butyl acrylate is more preferable because it has excellent adhesive properties (tack, adhesive force, etc.) and excellent durability.
- acrylic acid esters (b1-2) may be used alone or in combination of two or more.
- the content of the structural unit derived from the acrylic acid ester (b1-1) in the polymer block (b1) is 1% by mass or more and 100% by mass or less.
- the content is preferably 3% by mass or more, more preferably 5% by mass or more, still more preferably 10% by mass or more, and particularly preferably 15% by mass or more.
- the content is preferably 90% by mass or less, more preferably 85% by mass or less, and even more preferably 80% by mass or less.
- the content is 70% by mass or less, 60% by mass or less, 50% by mass or less, 40% by mass or less, or 30% by mass or less.
- the content of the structural unit derived from the acrylic acid ester (b1-2) in the polymer block (b1) is preferably 0% by mass or more (may be 0% by mass), and is 10% by mass or more. It is more preferable that the content is 15% by mass or more.
- the content is also preferably 20% by mass or more, 30% by mass or more, 40% by mass or more, 50% by mass or more, 60% by mass or more, or 70% by mass or more.
- the content is preferably 99% by mass or less, more preferably 95% by mass or less, even more preferably 90% by mass or less, and particularly preferably 85% by mass or less.
- the block copolymer (B) contains, instead of the polymer block (b1), a polymer block (b1′) containing less than 1% by mass of structural units derived from the acrylic acid ester (b1-1). It may contain an acrylic block copolymer (B-II). At this time, it is sufficient that the block copolymer (B) as a whole satisfies the regulation of the above content.
- the content of the structural unit derived from the acrylic acid ester (b1-1) with respect to the total mass of the polymer block (b1) and the polymer block (b1') should satisfy the above range.
- the acrylic ester (b1′) preferably has a content of structural units derived from the acrylic ester (b1-2) of 90% by mass or more, more preferably 95% by mass or more. More preferably, it is 99% by mass or more.
- the content of the structural unit derived from the acrylic ester (b1-1) and the content of the structural unit derived from the acrylic ester (b1-2) in the acrylic ester polymer block (b1) were measured by 1 H-NMR. can be obtained by
- the acrylic ester units contained in the polymer block (b1) consist only of acrylic ester (b1-1) units and acrylic ester (b1-2) units.
- the proportion of acrylic acid ester units in the polymer block (b1) is preferably 60% by mass or more, more preferably 80% by mass or more, still more preferably 90% by mass or more, and 95% by mass or more in the polymer block (b1). is particularly preferred.
- the polymer block (b1) is composed of 100% by mass of acrylate units, that is, composed only of acrylate units.
- the polymer block (B1) may contain monomer units other than acrylic acid ester units within a range that does not impair the effects of the present invention.
- Other monomers constituting such units include, for example, methacrylic acid esters; (meth)acrylic acid, crotonic acid, maleic acid, maleic anhydride, fumaric acid and other vinyl monomers having a carboxyl group; ) Vinyl monomers having functional groups such as acrylamide, (meth)acrylonitrile, vinyl acetate, vinyl chloride and vinylidene chloride; Aromatic vinyls such as styrene, ⁇ -methylstyrene, p-methylstyrene and m-methylstyrene conjugated diene monomers such as butadiene and isoprene; olefin monomers such as ethylene, propylene, isobutene and octene; and lactone monomers such as ⁇ -caprolactone and valerolactone.
- Monomer units composed of these other monomers are usually in small amounts with respect to the total monomer units of the polymer block (B1), and other monomers contained in the polymer block (B1)
- the body unit proportion is preferably 40% by mass or less, more preferably 20% by mass or less, even more preferably 10% by mass or less, and particularly preferably 5% by mass or less.
- the acrylic block copolymer (B) may contain two or more polymer blocks (b1). The combinations may be the same or different.
- the polymer block (b1) is a copolymer containing both acrylate (b1-1) units and acrylate (b1-2) units
- the acrylate (b1-1) and It may consist of a random copolymer of the acrylic acid ester (b1-2), may consist of a block copolymer, or may consist of a gradient copolymer, but usually consists of a random copolymer. something is desirable.
- the acrylic block copolymer (B) contains two or more polymer blocks (b1), the polymer blocks (b1) may have the same or different structures.
- the weight average molecular weight (Mw) of the polymer block (b1) is not particularly limited, it is preferably in the range of 1,000 to 200,000, more preferably in the range of 2,000 to 150,000.
- Mw of the polymer block (b1) is at least the above lower limit, the strength of the resulting acrylic block copolymer (B) is likely to be improved.
- Mw of the polymer block (b1) is equal to or less than the above upper limit, the melt viscosity of the acrylic block copolymer (B) to be obtained tends to be in an appropriate range, and when the thermoplastic elastomer composition is produced, productivity tends to be excellent.
- the glass transition temperature of the polymer block (b1) is preferably ⁇ 100 to +30° C., more preferably ⁇ 80 to +10° C., still more preferably ⁇ 70 to 0° C., and ⁇ 60 to -10°C is particularly preferred. When the glass transition temperature is within this range, the thermoplastic elastomer composition of the present invention can have excellent adhesiveness at room temperature.
- the polymer block (b2) contains structural units derived from methacrylic acid ester.
- methacrylates include, for example, methyl methacrylate, ethyl methacrylate, isopropyl methacrylate, n-propyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, sec-butyl methacrylate, tert-butyl methacrylate, methacrylic acid functional groups such as n-hexyl acid, cyclohexyl methacrylate, 2-ethylhexyl methacrylate, n-octyl methacrylate, lauryl methacrylate, tridecyl methacrylate, stearyl methacrylate, isobornyl methacrylate, phenyl methacrylate, and benzyl methacrylate; methacrylic acid ester; having functional groups such as methoxyethyl methacrylate, eth
- methacrylic acid esters having no functional group are preferred, such as methyl methacrylate, ethyl methacrylate, tert-butyl methacrylate, and methacrylic acid esters.
- Cyclohexyl acid, 2-ethylhexyl methacrylate, isobornyl methacrylate, phenyl methacrylate, and benzyl methacrylate are more preferable.
- Methyl methacrylate is more preferable from the viewpoint of good mechanical properties of the product.
- the polymer block (b2) may be composed of one type of these methacrylic acid esters, or may be composed of two or more types.
- the acrylic block copolymer (B) contains two or more polymer blocks (b2) from the viewpoint of enhancing adhesion durability. In that case, those polymer blocks (b2) may be the same or different.
- the weight average molecular weight (Mw) of the polymer block (b2) is not particularly limited, it is preferably in the range of 1,000 to 50,000, more preferably in the range of 2,000 to 30,000.
- Mw of the polymer block (b2) is at least the lower limit, the obtained acrylic block copolymer (B) tends to have sufficient cohesive force.
- the melt viscosity of the obtained acrylic block copolymer (B) is in an appropriate range, and the production of the thermoplastic elastomer composition is reduced. tend to be more sexual.
- the content of the methacrylic acid ester-derived structural unit in the polymer block (b2) is preferably 60% by mass or more, more preferably 80% by mass or more, still more preferably 90% by mass or more, and may be 100% by mass. This is a preferred embodiment.
- the glass transition temperature of the polymer block (b2) is preferably 80 to 140°C, more preferably 90 to 130°C, even more preferably 100 to 120°C. When the glass transition temperature is within this range, the polymer block (b2) acts as a physical pseudo cross-linking point at the temperature at which the thermoplastic elastomer composition is normally used, resulting in excellent adhesion, durability and heat resistance.
- the polymer block (b1) may contain a structural unit derived from a methacrylic acid ester to the extent that the effects of the present invention are not impaired, and the polymer block (b2) does not impair the effects of the present invention.
- Structural units derived from acrylic acid esters may be contained as long as they are not present.
- the polymer block (b1) and/or the polymer block (b2) may contain a structural unit derived from a monomer other than the (meth)acrylic acid ester, if necessary.
- Examples of such other monomers include (meth)acrylic acid, crotonic acid, maleic acid, fumaric acid, and other vinyl monomers having a carboxyl group; styrene, ⁇ -methylstyrene, p-methylstyrene, m- Aromatic vinyl monomers such as methylstyrene; Conjugated diene monomers such as butadiene and isoprene; Olefin monomers such as ethylene, propylene, isobutene and octene; Lactone monomers such as ⁇ -caprolactone and valerolactone Polymer; (meth)acrylamide, (meth)acrylonitrile, maleic anhydride, vinyl acetate, vinyl chloride, vinylidene chloride and the like. When these monomers are used, they are preferably 40% by mass or less, more preferably 20% by mass or less, still more preferably 10% by mass or less, and particularly It is preferably used in an amount of 5% by weight or less.
- the acrylic block copolymer (B) used in the present invention may optionally have other polymer blocks in addition to the polymer block (b1) and polymer block (b2).
- Such other polymer blocks include, for example, styrene, ⁇ -methylstyrene, p-methylstyrene, m-methylstyrene, acrylonitrile, methacrylonitrile, ethylene, propylene, isobutene, butadiene, isoprene, octene, vinyl acetate, anhydrous
- Examples include polymer blocks or copolymer blocks containing structural units derived from monomers such as maleic acid, vinyl chloride and vinylidene chloride; polymer blocks composed of polyethylene terephthalate, polylactic acid, polyurethane and polydimethylsiloxane;
- the polymer block also includes hydrogenated polymer blocks containing structural units derived from conjugated diene compounds such as butadiene and isoprene.
- the polymer block (b1) is b1, the polymer block (b1) having a structure different from that of the polymer block (b1) is b1′, and the polymer block (b2) is b2.
- n is an integer of 1 to 30
- Z is the coupling site (coupling site after the coupling agent reacts with the polymer terminal to form a chemical bond
- - is the bond of each polymer block ).
- b1 and b2 When a plurality of b1 and b2 are included in the formula, they may be polymer blocks having the same structure or polymer blocks having different structures.
- “different structure” refers to the monomer units, molecular weight, molecular weight distribution, stereoregularity, and, in the case of having a plurality of monomer units, the ratio of each monomer unit and the form of copolymerization (random , gradient, block) means a different structure.
- > is preferably The value of n is preferably 1-15, more preferably 1-8, and even more preferably 1-4.
- a linear block copolymer represented by -b1′ is preferred, a diblock copolymer represented by b2-b1, a triblock copolymer represented by the formula: b2-b1-b1′, and Formula having blocks in the order of the polymer block (b2), the polymer block (b1), and the polymer block (b2) (two polymer blocks (b2) are bonded to both ends of the polymer block (b1)) :b2-b1-b2 is more preferable, and a triblock copolymer represented by the formula: b2-b1-b2 is more preferable.
- block copolymer (B) contains a block copolymer (B-II) containing the polymer block (b1′) instead of the polymer block (b1) as long as it satisfies the aspect of the present invention. can be anything.
- the weight average molecular weight (Mw) of the acrylic block copolymer (B) is preferably 30,000 or more and 300,000 or less from the viewpoint of excellent transparency and moldability of the thermoplastic elastomer composition of the present invention. preferable.
- the Mw is preferably 50,000 or more, more preferably 60,000, still more preferably 65,000 or more, and preferably 250,000 or less, more preferably 200,000 or less, and even more preferably 165,000 or less.
- the acrylic block copolymer (B) preferably has a molecular weight distribution (Mw/Mn) of 1.0 to 1.4. Furthermore, from the viewpoint of excellent molding processability when made into a thermoplastic elastomer composition, Mw/Mn is more preferably 1.0 to 1.35, further preferably 1.0 to 1.3. , 1.0 to 1.25.
- the number average molecular weight (Mn) and weight average molecular weight (Mw) of the acrylic block copolymer (B) are values obtained by gel permeation chromatography in terms of standard polystyrene, and the molecular weight distribution (Mw/Mn ) is a value calculated from the values of Mw and Mn.
- the content of the polymer block (b2) in the acrylic block copolymer (B) is preferably 10 to 55% by mass, and the thermoplastic elastomer composition has transparency and flexibility at room temperature. is preferably 10 to 55% by mass, the content of the polymer block (b2) is more preferably 10 to 45% by mass, further preferably 10 to 40% by mass, More preferably 12 to 37% by mass, particularly preferably 15 to 35% by mass.
- the content of the polymer block (b1) in the acrylic block copolymer (B) used in the present invention when made into a thermoplastic elastomer composition, is excellent in transparency and flexibility at room temperature, It is preferably 45 to 90% by mass, more preferably 55 to 90% by mass, even more preferably 60 to 90% by mass, even more preferably 63 to 88% by mass, and 65 to 85% by mass is particularly preferred.
- the acrylic block copolymer (B) preferably has a hardness of 5 to 95 at a measurement time of 15 seconds according to JISK6253-3 type A durometer method (hereinafter also referred to as "A hardness (15 seconds value)"). , more preferably 7 to 80, and even more preferably 10 to 70.
- a hardness (15-second value) of the acrylic block copolymer (B) is within the above range, the thermoplastic elastomer composition of the present invention tends to be excellent in flexibility.
- the content of the acrylic block copolymer (B) is 20 to 900 parts by mass with respect to 100 parts by mass of the block copolymer (A). If the content of the acrylic block copolymer (B) is less than 20 parts by mass, the adhesive strength between the thermoplastic elastomer composition of the present invention and the polar resin substrate may decrease. On the other hand, if the content of the acrylic block copolymer (B) exceeds 900 parts by mass, the thermoplastic elastomer composition of the present invention may have poor oil resistance.
- the acrylic block copolymer (B) in the thermoplastic elastomer composition is excellent in terms of the transparency of the thermoplastic elastomer composition, the adhesive strength to polar resins such as polycarbonate, and the oil resistance to oleic acid and the like (oleic acid resistance).
- the content of is preferably 30 parts by mass or more, more preferably 40 parts by mass or more, and even more preferably 50 parts by mass or more with respect to 100 parts by mass of the block copolymer (A) , may be more than 50 parts by mass, and more preferably 60 parts by mass or more.
- the content of the acrylic block copolymer (B) in the thermoplastic elastomer composition is preferably 850 parts by mass or less and 800 parts by mass with respect to 100 parts by mass of the block copolymer (A). or less, more preferably 700 parts by mass or less, even more preferably 600 parts by mass or less, may be less than 600 parts by mass, and be 500 parts by mass or less. It is more preferably 480 parts by mass or less, even more preferably 450 parts by mass or less, particularly preferably 400 parts by mass or less, particularly preferably 350 parts by mass or less, and 300 parts by mass or less. It is most preferably not more than parts by mass.
- the content of the acrylic block copolymer (B) in the thermoplastic elastomer composition is 100 parts by mass or more and 120 parts by mass. 150 parts by mass or more, 180 parts by mass or more, 180 parts by mass or more, 190 parts by mass or more, 200 parts by mass or more, 200 parts by mass or more, or 210 parts by mass or more.
- the total content of the acrylic block copolymer (B) and the block copolymer (A) is preferably 30% by mass or more of the total amount of the thermoplastic elastomer composition. It is more preferably 45% by mass or more, more preferably 45% by mass or more, and preferably 99% by mass or less, more preferably 90% by mass or less, and even more preferably 80% by mass or less from the viewpoint of obtaining good adhesion stably. .
- the aromatic polymer (C) used in the present invention is a polymer containing at least one structural unit derived from an aromatic vinyl compound.
- aromatic vinyl compounds examples include styrene, ⁇ -methylstyrene, 2-methylstyrene, 3-methylstyrene, 4-methylstyrene, 4-propylstyrene, 4-t-butylstyrene, 4-cyclohexylstyrene, 4- Dodecylstyrene, 2,4-dimethylstyrene, 2,4-diisopropylstyrene, 2,4,6-trimethylstyrene, 2-ethyl-4-benzylstyrene, 4-(phenylbutyl)styrene, 1-vinylnaphthalene, 2- Examples include vinylnaphthalene, vinylanthracene, N,N-diethyl-4-aminoethylstyrene, vinylpyridine, 4-methoxystyrene, monochlorostyrene, dichlorostyrene and divinylbenzene.
- the aromatic polymer (C) may further contain a structural unit derived from a monomer other than the aromatic vinyl compound.
- Such other monomers include (meth)acrylic acid, (meth)acrylic acid derivatives, (meth)acrylamide, (meth)acrylamide derivatives, (meth)acrylonitrile, isoprene, 1,3-butadiene, ethylene, vinyl acetate , vinyl chloride, vinylidene chloride, N-vinylindole, N-vinylphthalimide, N-vinylpyrrolidone, N-vinylcarbazole, N-vinylcaprolactam and the like.
- the content of structural units derived from the aromatic vinyl compound in the aromatic polymer (C) is preferably 60% by mass or more, more preferably 70% by mass or more, still more preferably 80% by mass or more, and 90% by mass or more. is more preferable, and 95% by mass or more is particularly preferable.
- the weight average molecular weight (Mw) of the aromatic polymer (C) is preferably 300 or more, more preferably 500 or more, still more preferably 1,000 or more, and 12,000. It is preferably 8,000 or less, more preferably 6,000 or less. When Mw is within the above range, the obtained thermoplastic elastomer composition tends to have more excellent transparency.
- the weight average molecular weight (Mw) of the aromatic polymer (C) is a value determined by gel permeation chromatography in terms of standard polystyrene.
- the softening point of the aromatic polymer (C) is not particularly limited, for example, it is preferably 5°C or higher, more preferably 30°C or higher, and even more preferably 60°C or higher. When the softening point of the aromatic polymer (C) is within the above range, a thermoplastic elastomer composition with more excellent transparency can be obtained.
- aromatic polymer (C) examples include polystyrene, poly ⁇ -methylstyrene, poly4-methylstyrene, styrene/ ⁇ -methylstyrene copolymer, styrene/4-methylstyrene copolymer, ⁇ -methyl Styrene/4-methylstyrene copolymers and styrene/ ⁇ -methylstyrene/4-methylstyrene copolymers can be mentioned.
- the aromatic polymer (C) may be used singly or in combination of two or more.
- aromatic polymer (C) A commercial product may be used as the aromatic polymer (C).
- aromatic polymers (C) include, for example, PICOLASTIC A5 (polystyrene, softening point 5°C, Mw350), PICOLASTIC A-75 (polystyrene, softening point 74°C, Mw1300), PICOTEX 75 ( ⁇ -methylstyrene / 4-methylstyrene copolymer, softening point 75 ° C., Mw 1100), Picotex LC ( ⁇ -methylstyrene / 4-methylstyrene copolymer, softening point 91 ° C., Mw 1350), Crystalex 3070 ( Styrene/ ⁇ -methylstyrene copolymer, softening point 70°C, Mw950), Crystalex 3085 (styrene/ ⁇ -methylstyrene copolymer, softening point 85°C, Mw1150), Crystalex 3100
- the content of the aromatic polymer (C) is 3-150 parts by mass with respect to 100 parts by mass of the hydrogenated block copolymer (A).
- the content of the aromatic polymer (C) is within the above range, a thermoplastic elastomer composition having excellent transparency and flexibility can be obtained.
- the content of the aromatic polymer (C) is preferably 5 parts by mass or more, more preferably 8 parts by mass or more, relative to 100 parts by mass of the block copolymer (A). It is preferably 10 parts by mass or more, more preferably 15 parts by mass or more.
- 100 parts by mass or less is preferable, 90 parts by mass or less is more preferable, 80 parts by mass or less is even more preferable, 70 parts by mass or less is even more preferable, 65 parts by mass or less is particularly preferable, and 60 parts by mass or less is particularly preferable. It may be 50 parts by mass or less.
- thermoplastic elastomer composition of the present invention further contains a softening agent (D)
- a thermoplastic elastomer composition having more excellent transparency and flexibility can be obtained.
- softening agents (D) include paraffinic, naphthenic and aromatic process oils; phthalic acid derivatives such as dioctyl phthalate and dibutyl phthalate; white oils; mineral oils; liquid co-oligomers of ethylene and ⁇ -olefin; Liquid paraffin; Polybutene; Low molecular weight polyisobutylene; etc.
- paraffin-based process oil paraffin-based process oil
- liquid co-oligomer of ethylene and ⁇ -olefin liquid paraffin
- low-molecular-weight polyisobutylene and hydrogenated products thereof is preferred, and hydrogenated paraffinic process oils are more preferred.
- the softener (D) is generally a substance that does not have a glass transition point and/or a melting point above 25°C.
- the softening agent (D) may use a plant-derived raw material at a high ratio, and the content (bio-ratio) of the plant-derived component in the softening agent (D) is preferably 70% by mass or more, 80% by mass or more is more preferable, and 90% by mass or more is particularly preferable. These may be used alone or in combination of two or more.
- the 40° C. kinematic viscosity of the softener (D) is not particularly limited, but is preferably in the range of 30 to 500 mm 2 /s. More preferably, when it is in the range of 40 to 400 mm 2 /s, when the thermoplastic elastomer composition is formed into a molded article, it tends to have excellent grip properties. Further, when a softening agent having a high kinematic viscosity of preferably 80 mm 2 /s or more is used, there is a tendency that the bleed resistance is excellent and the adhesion to the polar substrate is excellent.
- a softening agent with a kinematic viscosity in the range of 30 to 80 mm 2 /s fluidity tends to increase and transparency tends to be excellent.
- the kinematic viscosity of the softener can be selected according to the desired physical properties.
- the content of the softening agent (D) is 20-450 parts by mass with respect to 100 parts by mass of the hydrogenated block copolymer (A).
- the content of the softening agent (D) is within the above range, a thermoplastic elastomer composition having excellent transparency and flexibility can be obtained.
- the content of the softening agent (D) is preferably 50 parts by mass or more, more preferably 60 parts by mass or more, more preferably 60 parts by mass or more, based on 100 parts by mass of the block copolymer (A), in terms of excellent transparency and flexibility. Part by mass or more is more preferable.
- the content may be 80 parts by mass or more, 100 parts by mass or more, or 120 parts by mass or more depending on the application, such as when more flexibility is required. It may be 200 parts by mass or more.
- the content is preferably 400 parts by mass or less, more preferably 300 parts by mass or less, and even more preferably 260 parts by mass or less.
- the content may be 200 parts by mass or less, 180 parts by mass or less, or 150 parts by mass or less.
- thermoplastic elastomer composition of the present invention contains the olefin resin (E), it is preferable because the chemical resistance is improved.
- the olefin resin (E) refers to a polymer obtained by polymerizing a hydrocarbon monomer having one or more carbon-carbon unsaturated bonds in the molecule, and includes polymers of olefin compounds and olefin compounds. It includes both polymers modified from unsaturated hydrocarbon monomers other than those resulting in hydrocarbon units being included in the polymer.
- olefin resin (E) used in the present invention include olefin compounds such as ethylene, propylene, 1-butene, 4-methylpentene, isobutylene, 1-octene, 1-nonene, and norbornene. Homopolymer or copolymer; 1,3-butadiene, isoprene, myrcene, 1,3-dimethyl-1,3-butadiene, 1,4-dimethyl-1,3-butadiene, 1,3-cyclohexadiene, etc.
- Homopolymers, copolymers and hydrogenated products thereof of conjugated diene hydrocarbon compounds include coalescence and hydrogenated products thereof. These may be used alone or in combination of two or more. Among them, propylene-based resins and copolymers of ethylene and 1-butene and/or 1-octene are preferred from the viewpoints of transparency, adhesion to polar substrates, and chemical resistance.
- Propylene-based resins include copolymers mainly composed of polypropylene or propylene, and are selected from homotype polypropylene, block type copolymers of propylene and a small amount of other ⁇ -olefins, and random type copolymers. 1 type or 2 types or more are used suitably. Among them, random type polypropylene is preferable from the viewpoint of transparency.
- the olefin resin (E) usually has a glass transition point and/or a melting point of 25° C. or higher.
- the olefinic resin (E) preferably does not have a hydrophilic functional group, and is distinguished from the compatibilizing agent described later.
- the content of the olefinic resin (E) is preferably 3-250 parts by mass with respect to 100 parts by mass of the block copolymer (A).
- the content of the olefinic resin (E) is within the above range, a thermoplastic elastomer composition having excellent chemical resistance, transparency and flexibility can be obtained.
- the content of the olefin resin (E) is more preferably 10 parts by mass or more, more preferably 20 parts by mass or more, relative to 100 parts by mass of the block copolymer (A). More preferably, it is more preferably 30 parts by mass or more.
- it is more preferably 200 parts by mass or less, further preferably 180 parts by mass or less, even more preferably 150 parts by mass or less, even more preferably 120 parts by mass or less, and 100 parts by mass. parts by mass or less is particularly preferable, and 80 parts by mass or less is most preferable.
- the melting point and melting enthalpy of the olefin resin (E) are not particularly limited. From the viewpoint of transparency, the melting point is preferably 160° C. or lower, more preferably 155° C. or lower, and even more preferably 150° C. or lower. From the viewpoint of heat resistance and handleability of the obtained composition, the melting point is preferably 90° C. or higher, more preferably 100° C. or higher. Also, the melting point may be 135° C. or lower, 120° C. or lower, or 110° C. or lower, depending on the properties required for the thermoplastic elastomer of the present invention. On the other hand, it may be 110° C. or higher, 120° C. or higher, 130° C. or higher, or 140° C.
- the enthalpy of fusion of the olefin resin (E) is not particularly limited, but from the viewpoint of transparency, the enthalpy of fusion is preferably 95 J/g or less, more preferably 70 J/g or less, and 60 J/g. The following is more preferable, and 55 J/g or less is particularly preferable.
- the melting enthalpy is preferably 10 J/g or more, more preferably 20 J/g or more, even more preferably 30 J/g or more, and particularly preferably 35 J/g or more.
- the melting point and melting enthalpy can be measured using a differential scanning calorimeter.
- the melting enthalpy calculated from the second melting curve (melting curve measured in the last temperature rising process) measured by a program that heats up to 230°C at 1/min was used as the melting enthalpy measured with a differential scanning calorimeter.
- the mass ratio ((D)/(B)) of the softening agent (D) to the acrylic block copolymer (B) in the thermoplastic elastomer composition of the present invention is 5. It is preferably 0 or less, more preferably 4.0 or less, more preferably 3.5 or less, even more preferably 2.5 or less, and more preferably 2.0 or less. More preferably, it is particularly preferably 1.5 or less. In one embodiment of the present invention, (D)/(B) is preferably less than 2, more preferably 1.9 or less, even more preferably 1.8 or less. Moreover, it is preferably 0.05 or more, more preferably 0.1 or more, and even more preferably 0.2 or more.
- (D)/(B) is 1.0 or less, 0.5 or less, or 0.4 or less.
- (D)/(B) is within the above range, a thermoplastic elastomer composition with excellent transparency and flexibility tends to be obtained.
- thermoplastic elastomer composition of the present invention may optionally contain inorganic fillers, antioxidants, other thermoplastic polymers, compatibilizers, lubricants, and tackifying resins, as long as the effects of the present invention are not impaired.
- light stabilizers, processing aids, coloring agents such as pigments and dyes, flame retardants, antistatic agents, matting agents, crystal nucleating agents, antiblocking agents, ultraviolet absorbers, release agents, foaming agents, antibacterial agents, Antifungal agents, coloring agents, fragrances, etc. may be contained.
- the inorganic filler can be contained for the purpose of improving the physical properties such as weather resistance of the thermoplastic elastomer composition of the present invention, adjusting the hardness, and improving the economic efficiency as a bulking agent.
- examples of inorganic fillers include calcium carbonate, talc, magnesium hydroxide, aluminum hydroxide, mica, clay, natural silicic acid, synthetic silicic acid, titanium oxide, carbon black, barium sulfate, glass balloons, and glass fibers. be done.
- One of the inorganic fillers may be used alone, or two or more thereof may be used in combination.
- the content thereof is preferably within a range that does not impair the flexibility and transparency of the thermoplastic elastomer composition. , preferably 200 parts by mass or less, more preferably 150 parts by mass or less, still more preferably 100 parts by mass or less, and particularly preferably 50 parts by mass or less.
- antioxidants include hindered phenol-based, phosphorus-based, lactone-based, and hydroxyl-based antioxidants.
- hindered phenol-based antioxidants are preferred from the viewpoint of color tone stability.
- the content thereof is preferably within a range in which the thermoplastic elastomer composition is not colored during melt-kneading. It is preferably 0.01 parts by mass or more, more preferably 0.05 parts by mass or more, and preferably 5 parts by mass or less, more preferably 3 parts by mass or less, and even more preferably 1 part by mass or less.
- the thermoplastic elastomer composition of the present invention contains other thermoplastic polymers, compatibilizers, tackifying resins, etc.
- the preferred content is the total mass of these and the above (A) to (E ) is preferably 100 parts by mass.
- thermoplastic polymers include acrylic resins, styrene polymers, polyphenylene ether resins, polyethylene glycol, polyester elastomers, polyurethane elastomers, polyamide elastomers, and the like.
- the thermoplastic elastomer composition of the present invention contains a polyester-based elastomer, a polyurethane-based elastomer, or a polyamide-based elastomer, its oil resistance and adhesion to polar substrates are improved.
- an acrylic resin for example, a polymer containing 60% by mass or more of structural units derived from methyl methacrylate
- the transparency tends to be further improved.
- the content thereof is preferably 300 parts by mass or less, and preferably 250 parts by mass or less, relative to 100 parts by mass of the acrylic block copolymer (B). More preferably, it is 150 parts by mass or less. In one embodiment, the content is preferably 100 parts by mass or less, and may be 60 parts by mass or less, or may be 30 parts by mass or less. When another thermoplastic polymer is contained, the content is preferably 5 parts by mass or more, and may be 10 parts by mass or more. Moreover, when an acrylic resin is included, the content thereof is preferably 20 parts by mass or more, more preferably 50 parts by mass or more, and even more preferably 70 parts by mass or more.
- the compatibilizing agent examples include substances having a hydrophilic segment and a hydrophobic segment in the molecule.
- Polymers having one or more can be mentioned.
- Hydrophilic functional groups include hydroxyl groups, carboxyl groups, urethane bonds, acryloyl groups, amino groups, hydrolyzable acid anhydride groups, polyalkylene oxide groups, and the like, and only one of these is included as the hydrophilic functional group. or two or more may be included.
- a block copolymer having a structure in which a polymer block and a hydrophilic polymer block are copolymerized can be used.
- the block copolymer constituting the main chain of the hydrophilic group-containing block copolymer may be, for example, a polymer block having the same structure as the block copolymer of component (A) or a low polarity polymer block such as an olefinic polymer block.
- a block copolymer of a polymer block and a hydrophilic group-containing polymer block and the like can be mentioned.
- the compatibilizer is contained, the content thereof is preferably 200 parts by mass or less, more preferably 150 parts by mass or less, and still more preferably 100 parts by mass or less with respect to 100 parts by mass of the block copolymer (A). is particularly preferably 50 parts by mass or less, preferably 5 parts by mass or more, more preferably 10 parts by mass or more, and still more preferably 20 parts by mass or more.
- the thermoplastic elastomer composition does not contain a compatibilizer.
- Lubricants include, for example, hydrocarbon lubricants such as silicone oil, modified silicone oil and paraffin wax; fatty acid lubricants such as stearic acid and stearyl alcohol; fatty alcohol lubricants; and aliphatic amide lubricants such as erucamide and oleic acid amide.
- Lubricants, metallic soap-based lubricants such as calcium stearate, and ester-based lubricants such as stearic acid monoglyceride can be used. Silicone oils and amide-based lubricants are preferred from the standpoint of releasability during molding and anti-slip properties during use.
- the content thereof is preferably 5 parts by mass or less, more preferably 3 parts by mass or less, and still more preferably 1 part by mass with respect to a total of 100 parts by mass of the components (A) to (E). It is not more than 0.5 part by mass, particularly preferably not more than 0.5 part by mass.
- the content is preferably 0.001 parts by mass or more, more preferably 0.005 parts by mass or more, and even more preferably 0.01 parts by mass or more. . Two or more lubricants may be used in combination.
- thermoplastic elastomer composition of the present invention contains other thermoplastic polymers, compatibilizers, tackifying resins, etc.
- the preferable content of the lubricant is the total mass of these and the above (A) to It is preferable that the total weight of (E) and the total weight of (E) is based on 100 parts by weight.
- thermoplastic elastomer composition may be crosslinked in the presence of a peroxide and a crosslinking aid.
- a styrenic block copolymer is generally cross-linked.
- Suitable peroxides include, for example, organic peroxides, and from the viewpoints of low odor, low coloration, and scorch safety, 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane, 2,5 Organic peroxides such as -dimethyl-2,5-di(tert-butylperoxy)hexyne-3 are particularly preferred.
- the amount of the peroxide, particularly the organic peroxide, is determined in consideration of the blending ratio of each component of the present invention, particularly the quality of the resulting thermoplastic elastomer composition. 0.05 to 3.0 parts by mass is preferable with respect to the total 100 parts by mass.
- the cross-linking aid can be blended during the cross-linking treatment with the organic peroxide in the method for producing the thermoplastic elastomer composition of the present invention, thereby enabling a uniform and efficient cross-linking reaction.
- a cross-linking aid for example, a polyfunctional vinyl monomer such as triethylene glycol dimethacrylate can be blended.
- the above-mentioned cross-linking aid has a peroxide-solubilizing action and functions as a dispersing aid for peroxide, so that cross-linking by heat treatment is performed uniformly and effectively.
- the blending amount of the cross-linking aid is also determined in consideration of the blending ratio of each component of the present invention, particularly the quality of the resulting thermoplastic elastomer composition. 0.05 to 10 parts by mass is suitable for a total of 100 parts by mass.
- thermoplastic elastomer composition of the present invention contains other thermoplastic polymers, compatibilizers, tackifying resins, etc.
- suitable content of the peroxide and cross-linking aid is the total mass of these and the above ( A) to (E) are preferably based on the total mass of 100 parts by mass.
- tackifying resins include rosin resins, terpene phenol resins, terpene resins, aromatic hydrocarbon-modified terpene resins, aliphatic petroleum resins, alicyclic petroleum resins, aromatic petroleum resins, coumarone-indene resins, Examples include phenolic resins and xylene resins.
- the softening point of the tackifying resin is preferably 85 to 160°C, more preferably 100 to 150°C, even more preferably 105 to 145°C, from the viewpoint of moldability.
- the content is preferably within a range that does not impair the mechanical properties of the thermoplastic elastomer composition of the present invention. , preferably 100 parts by mass or less, more preferably 70 parts by mass or less, still more preferably 30 parts by mass or less, and particularly preferably 10 parts by mass or less.
- the method for producing the thermoplastic elastomer composition of the present invention is not particularly limited, and the block copolymer (A), acrylic block copolymer (B), aromatic polymer (C), softener (D)
- the production method is not particularly limited as long as it is a method capable of uniformly mixing other components such as the olefinic resin (E), compatibilizer, inorganic filler, antioxidant, lubricant, and the like, if necessary. Examples include a method of dissolving in a solvent and then casting and drying the resulting solution, a method of melt-kneading, and the like, but the melt-kneading method is preferably used from the viewpoint of increasing the dispersibility of the constituent components.
- Melt-kneading can be performed using a melt-kneading device such as a single-screw extruder, a twin-screw extruder, a kneader, a batch mixer, a roller, or a Banbury mixer, preferably at 150 to 270° C., screw rotation number of 50 to
- the thermoplastic elastomer composition of the present invention can be obtained by melt-kneading at 500 rpm.
- the thermoplastic elastomer composition of the present invention preferably has a hardness of 90 or less, more preferably 85 or less, more preferably 85 or less, when measured for 3 seconds by the JISK6253-3 type A durometer method (hereinafter also referred to as "A hardness"). 80 or less, more preferably 75 or less. When the A hardness is within the above range, good flexibility, elasticity and mechanical properties tend to be obtained.
- thermoplastic elastomer composition of the present invention can be processed into molded articles by molding methods such as extrusion molding, injection molding, blow molding, compression molding, calendar molding, and vacuum molding.
- thermoplastic elastomer composition of the present invention can be molded into, for example, a sheet or film, or multilayered with another sheet or film for packaging of daily necessities, packaging of industrial materials, packaging of food, and film.
- Applications for hoses, tubes, belts, etc. footwear applications such as sports shoes and fashion sandals; household appliance applications such as televisions, audio equipment, vacuum cleaners, refrigerator door seals, remote control switches, and mobile phones; OA office equipment applications; bumper parts , rack and pinion boots, suspension boots, constant velocity joint boots, automotive interior and exterior parts such as body panels; civil engineering sheets, waterproof sheets, window frame sealing materials, building sealing materials, various hoses, knobs Medical products such as gaskets for medical syringes, catheter tubes, and infusion bags; Grips for scissors, drivers, toothbrushes, ski poles, etc.; Stationery such as pen grips; swimming goggles, snorkels, etc.
- thermoplastic elastomer composition of the present invention is excellent in flexibility, transparency and tensile properties, and has excellent adhesion even to highly polar materials.
- a composite molded article (mainly a laminate structure) comprising a structure (mainly a layer structure) and a structure (mainly a layer structure) formed of a material other than the thermoplastic elastomer composition can be used as
- thermoplastic elastomer composition for the adherend include synthetic resins, ceramics, metals, fabrics, and the like. Among these, synthetic resins and metals are more preferable from the viewpoint of exhibiting the effect of the present invention, that is, excellent adhesive strength.
- Synthetic resins used for the composite molded body include, for example, polyurethane resin, polyamide resin, polyester resin (e.g., polybutylene terephthalate resin, polyethylene terephthalate resin), polycarbonate resin, polyphenylene sulfide resin, poly Acrylate resin, polymethacrylate resin, polyether resin, (meth)acrylonitrile-butadiene-styrene resin, (meth)acrylonitrile-styrene resin, (meth)acrylate-butadiene-styrene resin, (meth)acrylate-styrene resin , Methyl (meth)acrylate-butadiene-styrene resin, epoxy resin, phenol resin, diallyl phthalate resin, polyimide resin, melamine resin, polyacetal resin, polysulfone resin, polyethersulfone resin, polyetherimide resin, polyphenylene ether resin, poly Examples include arylate resins,
- other synthetic resins include, for example, polyethylene, polypropylene, polybutene-1, polyhexene-1, poly-3-methyl-butene-1, poly-4-methyl-pentene-1, ethylene and 3 to 20 carbon atoms.
- ⁇ -olefins such as propylene, 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-decene, 3-methyl-1-butene, 4-methyl-1-pentene, 6- methyl-1-heptene, isooctene, isooctadiene, decadiene, etc.
- EPDM ethylene-propylene-diene copolymer
- EPDM ethylene-vinyl acetate copolymer
- ethylene- Polyolefin resins such as acrylic acid copolymers are preferably used.
- Additives such as heat stabilizers, light stabilizers, ultraviolet absorbers, antioxidants, lubricants, colorants, may be added to the layer formed of the synthetic resin, if necessary, as long as the objects of the present invention are not impaired.
- antistatic agent, flame retardant, water repellent, waterproof agent, hydrophilic agent, conductivity imparting agent, thermal conductivity imparting agent, electromagnetic wave shielding agent, translucency adjusting agent, fluorescent agent, slidability imparting agent Agents, clarifying agents, anti-blocking agents, metal deactivators, antibacterial agents, etc. may further be added.
- Ceramics used for the composite molded body means a non-metallic inorganic material, and includes metal oxides, metal carbides, metal nitrides, and the like. Examples thereof include glass, cements, alumina, zirconia, zinc oxide ceramics, barium titanate, lead zirconate titanate, silicon carbide, silicon nitride, and ferrites.
- metals used for the composite compact include iron, copper, aluminum, magnesium, nickel, chromium, zinc, and alloys containing these components.
- As the layer made of metal a layer having a surface formed by plating such as copper plating, nickel plating, chrome plating, tin plating, zinc plating, platinum plating, gold plating, and silver plating may be used.
- the type of fabric used for the composite molded body (mainly the laminated structure), but examples include woven fabric, knitted fabric, felt, and non-woven fabric.
- the material of the fabric may be natural fibers, synthetic fibers, or a combination of natural and synthetic fibers. Natural fibers include, but are not limited to, one or more selected from the group consisting of cotton, silk, hemp, and wool.
- the synthetic fiber is preferably at least one selected from polyester fiber, acrylic fiber (polyacrylonitrile fiber), polyurethane fiber, polyamide fiber, polyolefin fiber and vinylon fiber.
- Polyamide fibers include nylon 6, nylon 66, and the like.
- polyolefin fibers include polyethylene fibers and polypropylene fibers.
- the method for producing the composite molded article is not particularly limited, but a layer formed of the thermoplastic elastomer composition of the present invention is placed on a layer formed of the other material. It is preferable to manufacture by lamination molding.
- laminate molding methods include molding methods such as injection insert molding, two-color molding, extrusion lamination, co-extrusion molding, calendar molding, slush molding, press molding, and melt casting. be done.
- the thickness is preferably 10 mm or less, more preferably 5 mm or less, even more preferably 3 mm or less, and 1 mm from the viewpoint of flexibility and transparency when folded. The following are more preferable, 0.5 mm or less is particularly preferable, and 0.1 mm or less is particularly preferable.
- the composite molded article (mainly laminated structure) is preferably formed by integrally molding the thermoplastic elastomer composition of the present invention with a structure made of a material other than the thermoplastic elastomer composition.
- a laminated structure is produced by an injection insert molding method, an adherend (made of a material other than the thermoplastic elastomer composition of the present invention) that has been formed in a predetermined shape and size in advance is used.
- a layer as a structure can be placed in a mold and the thermoplastic elastomer composition of the present invention can be injection molded therein to produce a laminated structure.
- injection molding is performed using an injection molding machine equipped with two injection cylinders or two injection molding machines by the two-color molding method, and two different materials are heat-sealed in one mold.
- Laminated structures can be manufactured.
- a predetermined shape attached to an extruder is applied to the surface of an adherend that has been formed in advance in a predetermined shape and size, or to the edge thereof.
- Laminated structures can be produced by directly extruding the thermoplastic elastomer composition of the present invention in a molten state extruded from a die having a
- two extruders are used to simultaneously extrude the melted thermoplastic elastomer composition of the present invention and a synthetic resin other than the thermoplastic elastomer composition.
- a laminated structure can be manufactured.
- the thermoplastic elastomer composition of the present invention is melted and rolled with heated rolls, passed through several rolls to bring it into a molten state, and formed into a predetermined shape and size in advance.
- a laminate structure can be produced by heat-sealing the surface of the adherend that has been placed.
- a laminated structure is produced by a press molding method
- a molded article made of the thermoplastic elastomer composition of the present invention is molded in advance by an injection molding method or an extrusion molding method, and the molded article is preliminarily molded into a predetermined shape.
- a laminate structure can be manufactured by applying heat and pressure to an adherend that has been formed into a shape and size using a press molding machine or the like.
- the press molding method is particularly suitable when the adherend is ceramics or metal.
- An injection insert molding method is preferable as the molding method by the melt lamination molding.
- the injection molding temperature in the injection insert molding method is not particularly limited, it is preferably 150° C. or higher, more preferably 200° C. or higher, and still more preferably 230° C. or higher from the viewpoint of obtaining sufficient adhesiveness.
- thermoplastic elastomer composition of the present invention and the molded articles and composite molded articles (mainly laminated structures) obtained therefrom can be widely applied to various uses.
- synthetic resins, synthetic resins containing glass fibers, and light metals such as aluminum and magnesium alloys are used as housing materials for electronic/electrical equipment, OA equipment, home appliances, power tools, automobile members, and the like.
- a laminated structure in which the thermoplastic elastomer composition of the present invention is adhered to the material housing material of (1) can be used as the housing material. More specifically, housings for large displays, notebook computers, mobile phones, PHS, PDA (personal digital assistants such as electronic notebooks), electronic dictionaries, video cameras, digital still cameras, portable audio equipment, inverters, etc. It is preferable to use the laminate structure to which the thermoplastic elastomer composition of the present invention is adhered, for applications such as shock absorbing materials, anti-slip coating materials, waterproof materials, and decorative materials.
- thermoplastic elastomer composition of the present invention can be used as a material for forming molded bodies and structures bonded to glass, such as window moldings and gaskets for automobiles and buildings, sealing materials for glass, anti-corrosion materials, etc. It is useful in a wide variety of applications.
- the thermoplastic elastomer of the present invention can also be used as a sealant for joints between glass and aluminum sashes and metal openings in windows of automobiles and buildings, and joints between glass and metal frames in solar cell modules and the like.
- a composition can be preferably used.
- the thermoplastic elastomer composition of the present invention can be suitably used for various information terminal devices such as notebook computers, mobile phones, and video cameras, and separators for secondary batteries used in hybrid vehicles, fuel cell vehicles, and the like. .
- Component A-2 Product name: Septon 4044, Manufacturer name: Kuraray Co., Ltd.
- Type Hydrogenated triblock copolymer (styrene-isoprene-styrene triblock copolymer hydrogenation product), Styrene unit content: 33% by mass , Conjugated diene (isoprene) unit content: 67% by mass, weight average molecular weight of 140,000, hydrogenation rate: 95 mol
- PMMA polymethyl methacrylate
- PMMA polymethyl methacrylate
- n-butyl acrylate-PMMA block b2-b1-b2 structure
- weight average molecular weight 67,000
- ⁇ Aromatic polymer (C)> Component C-1 Product name: Crystalex 5140, manufacturer: EASTMAN, type: poly ⁇ -methylstyrene/styrene copolymer (90% or more structural units derived from aromatic vinyl compound ( ⁇ -methylstyrene/styrene), softening point 139°C , Mw4900)
- Component C-2 Product name: FTR2140, manufacturer: Mitsui Chemicals, type: ⁇ -methylstyrene/styrene copolymer (90% or more structural units derived from aromatic vinyl compounds ( ⁇ -methylstyrene/styrene), softening point 137°C, Mw 3230)
- Component C-3 Product name: YS resin SX100, manufacturer: Yasuhara Chemical, type: polystyrene (90% or more structural units derived from aromatic vinyl compounds (styrene), softening point 100°C, Mw 2500)
- the details of the method for measuring various physical properties of each component used are as follows. ⁇ Measurement of Weight Average Molecular Weight (Mw) and Molecular Weight Distribution (Mw/Mn)> The weight-average molecular weight (Mw) and molecular weight distribution (Mw/Mn) of the hydrogenated block copolymer (A) and the acrylic block copolymer (B) are determined by GPC (gel permeation chromatography) in terms of standard polystyrene equivalent molecular weight. asked.
- GPC gel permeation chromatography
- the molar ratio of the structural units derived from methyl acrylate is obtained from the ratio of the integrated values of the signals derived from the ester group of the acrylate ester, and this is used as the structure derived from methyl acrylate.
- the content of methyl acrylate contained in the structural unit derived from the acrylic acid ester was obtained by converting the molecular weight of the unit into a mass ratio.
- the olefin resin (E) to be measured is held at 230 ° C. for 5 minutes using a DSC214Polyma differential scanning calorimeter manufactured by NETZSCH, cooled to -10 ° C. at 10 ° C./min, and cooled to -10 ° C. for 5 minutes.
- the second melting curve melting curve measured in the last heating process measured by a program that holds for 10 minutes and heats up to 230 ° C. at 10 ° C./min, the peak top melting point on the highest temperature side was taken as the melting point. .
- Examples 1 to 29, Comparative Examples 1 to 4 Using a twin-screw extruder ("TEM-26SS-12/1V" manufactured by Toshiba Machine Co., Ltd.), a composition obtained by premixing each component shown in Tables 1 to 4 at the ratio shown in Tables 1 to 4 The mixture was melt-kneaded at 190° C. and a screw rotation speed of 200 rpm to obtain a thermoplastic elastomer composition. The following physical properties were measured for the obtained thermoplastic elastomer composition. The results are shown in Tables 1-4. The content of ⁇ other additives> in Tables 1 to 4 is the amount (parts by mass) per 100 parts by mass of components (A) to (E) and ⁇ other components>.
- TEM-26SS-12/1V manufactured by Toshiba Machine Co., Ltd.
- thermoplastic elastomer composition obtained in each example and comparative example was injection molded using an injection molding machine (FE120S18A manufactured by Nissei Plastic Industry Co., Ltd.) under the conditions of a cylinder temperature of 230°C and a mold temperature of 40°C to obtain a thickness of 2 mm.
- a disc-shaped sample of 120 ⁇ was obtained.
- a No. 3 dumbbell specimen was obtained from the sample by punching with a blade. Three punched samples were piled up, and the value at a measurement time of 3 seconds was measured according to JIS K 6253-3.
- Oil resistance Measured according to JIS K 6258.
- the thermoplastic elastomer composition obtained in each example and comparative example was injection molded using an injection molding machine (FE120S18A manufactured by Nissei Plastic Industry Co., Ltd.) under the conditions of a cylinder temperature of 230°C and a mold temperature of 40°C to obtain a thickness of 2 mm.
- a disc-shaped sample of 120 ⁇ was obtained.
- a test piece of width 2 cm ⁇ length 5 cm ⁇ thickness 2 mm was punched out from the sample with a blade. After the test piece was immersed in oleic acid in an environment of 23° C. for one week, the weight change rate was evaluated. A weight change rate of 70% or less was defined as the required performance.
- a bonded sample was obtained by an injection insert method using a plate that had been pre-heated by leaving the plate to be bonded in an environment of 110° C. for 5 hours or longer.
- ⁇ Used polar material 1 ABS resin UMG ABS Co., Ltd.
- EX190 ⁇ Polar material used 2 Polycarbonate (PC) resin Panlite L-1225L manufactured by Teijin ⁇ Used polar material 3: AS resin Sebian N 050SF manufactured by Daicel Polymer Co., Ltd.
- Polar material used 4 Polyacetal (POM) resin Duracon M270-44 manufactured by Polyplastics Using Autograph AGX-V manufactured by Shimadzu Corporation, the adhesive sample prepared above was subjected to peeling angle of 180 ° and tensile speed of 50 mm / min according to JIS K 6256-1. Polar material and thermoplastic elastomer composition. was measured.
- the peel adhesive strength to PC is preferably 20 N/25 mm or more, more preferably 30 N/25 mm or more, still more preferably 40 N/25 mm or more, even more preferably 50 N/25 mm or more, and particularly preferably 60 N/25 mm or more.
- the total light transmittance was measured according to JIS K 7361-1 for the 2 mm-thick, 120 ⁇ disk-shaped injection sample obtained above. A total light transmittance of 65% or more was defined as a required performance.
- Examples 1 to 29 are excellent in flexibility, adhesive strength to ABS, PC, AS and POM, oleic acid resistance, and transparency, and have good results. .
- thermoplastic elastomer composition obtained in the present invention is excellent in flexibility, adhesion to polar substrates, transparency, and oil resistance to oleic acid and the like, and can be thermoplastically molded into hard resin moldings by a two-color molding method or the like.
- the assembly process can be simplified, airtightness, shock mitigation, and anti-slip effects can be imparted, and the excellent transparency provides excellent visibility and design.
- Articles, moldings and composite moldings can be provided. Therefore, it can be molded into a sheet or film, or multi-layered with another sheet or film, and applied to packaging of daily miscellaneous goods, packaging of industrial materials, food packaging sheet, and film.
- hoses, tubes, belts, etc. footwear applications such as sports shoes and fashion sandals; household appliance applications such as televisions, audio equipment, vacuum cleaners, refrigerator door seals, remote control switches, and mobile phones; OA office equipment applications; bumper parts , rack and pinion boots, bag skins, shoe soles, clothing items, textiles, playground equipment, suspension boots, constant velocity joint boots, body panels and other automotive interior and exterior parts applications; civil engineering sheets, waterproof sheets, windows Civil engineering and construction applications such as frame sealing materials, building sealing materials, various hoses, knobs, etc. Medical supplies such as medical syringe gaskets, catheter tubes, and infusion bags; Various grips for scissors, screwdrivers, toothbrushes, ski poles, etc. Stationery such as pen grips; Sporting goods such as swimming goggles and snorkels; Sealing, waterproofing, soundproofing, vibration-proofing, etc., various packing applications, leisure goods, toys, industrial products, etc. It can be used for various purposes as.
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Abstract
L'invention a pour objet de fournir une composition élastomère thermoplastique excellente en termes de souplesse, de transparence et d'adhérence sur une résine polaire telle qu'un polycarbonate, ou similaire, mais aussi excellente en termes de résistance aux produits chimiques telle qu'une résistance à l'acide oléique, ou similaire. L'invention a également pour objet de fournir un corps moulé mettant en œuvre cette composition élastomère thermoplastique. Plus précisément, l'invention concerne une composition élastomère thermoplastique qui est obtenue par mélange selon un rapport massique prédéfini : d'un copolymère séquencé aromatique (A) spécifique ; d'un copolymère séquencé acrylique (B) spécifique qui possède au moins une séquence polymère (b1) comprenant une unité structurale dérivée d'un ester d'acide acrylique et au moins une séquence polymère (b2) comprenant une unité structurale dérivée d'un ester d'acide méthacrylique, et qui comprend une unité structurale dérivée d'un ester d'acide acrylique (b1-1) représenté par la formule générale CH2=CH-COOR1(1) en tant qu'unité structurale dérivée d'un ester d'acide acrylique (dans la formule (1), R1 représente un groupe organique de 1 à 3 atomes de carbone) ; d'un polymère aromatique (C) ; et d'un plastifiant (D).
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JP2021-200146 | 2021-12-09 | ||
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JP2019178239A (ja) * | 2018-03-30 | 2019-10-17 | アロン化成株式会社 | 熱可塑性エラストマー組成物 |
JP2021152156A (ja) * | 2021-04-27 | 2021-09-30 | 株式会社クラレ | 熱可塑性エラストマー組成物、成形品、積層構造体及び該積層構造体の製造方法 |
WO2022071314A1 (fr) * | 2020-09-29 | 2022-04-07 | クラレプラスチックス株式会社 | Composition de résine |
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- 2022-12-08 WO PCT/JP2022/045275 patent/WO2023106367A1/fr active Application Filing
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JP2019178239A (ja) * | 2018-03-30 | 2019-10-17 | アロン化成株式会社 | 熱可塑性エラストマー組成物 |
WO2022071314A1 (fr) * | 2020-09-29 | 2022-04-07 | クラレプラスチックス株式会社 | Composition de résine |
JP2021152156A (ja) * | 2021-04-27 | 2021-09-30 | 株式会社クラレ | 熱可塑性エラストマー組成物、成形品、積層構造体及び該積層構造体の製造方法 |
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