JP3787012B2 - Curable composition and plastic film - Google Patents
Curable composition and plastic film Download PDFInfo
- Publication number
- JP3787012B2 JP3787012B2 JP33752396A JP33752396A JP3787012B2 JP 3787012 B2 JP3787012 B2 JP 3787012B2 JP 33752396 A JP33752396 A JP 33752396A JP 33752396 A JP33752396 A JP 33752396A JP 3787012 B2 JP3787012 B2 JP 3787012B2
- Authority
- JP
- Japan
- Prior art keywords
- polydimethylsiloxane
- vinyl monomer
- parts
- hydrolyzable silyl
- silyl group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000203 mixture Substances 0.000 title claims description 24
- 239000002985 plastic film Substances 0.000 title claims description 11
- 229920006255 plastic film Polymers 0.000 title claims description 10
- -1 polydimethylsiloxane Polymers 0.000 claims description 58
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 38
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 38
- 239000000178 monomer Substances 0.000 claims description 37
- 229920002554 vinyl polymer Polymers 0.000 claims description 34
- 229920001400 block copolymer Polymers 0.000 claims description 30
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 29
- 229920000642 polymer Polymers 0.000 claims description 24
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 claims description 24
- 239000003999 initiator Substances 0.000 claims description 14
- 239000003431 cross linking reagent Substances 0.000 claims description 11
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 230000000379 polymerizing effect Effects 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 230000003301 hydrolyzing effect Effects 0.000 claims description 4
- 125000003396 thiol group Chemical group [H]S* 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 description 18
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 12
- 239000007788 liquid Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 11
- 239000011347 resin Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 229910000077 silane Inorganic materials 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000003973 paint Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 4
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 2
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000002794 monomerizing effect Effects 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 150000004756 silanes Chemical class 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 2
- KDGNCLDCOVTOCS-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy propan-2-yl carbonate Chemical compound CC(C)OC(=O)OOC(C)(C)C KDGNCLDCOVTOCS-UHFFFAOYSA-N 0.000 description 1
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- GWENLLRIMBJBRA-IHWYPQMZSA-N (z)-4-amino-3-methyl-4-oxobut-2-enoic acid Chemical class NC(=O)C(/C)=C\C(O)=O GWENLLRIMBJBRA-IHWYPQMZSA-N 0.000 description 1
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- LGJCFVYMIJLQJO-UHFFFAOYSA-N 1-dodecylperoxydodecane Chemical compound CCCCCCCCCCCCOOCCCCCCCCCCCC LGJCFVYMIJLQJO-UHFFFAOYSA-N 0.000 description 1
- OZCMOJQQLBXBKI-UHFFFAOYSA-N 1-ethenoxy-2-methylpropane Chemical compound CC(C)COC=C OZCMOJQQLBXBKI-UHFFFAOYSA-N 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N 1-ethenoxybutane Chemical compound CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- OVGRCEFMXPHEBL-UHFFFAOYSA-N 1-ethenoxypropane Chemical compound CCCOC=C OVGRCEFMXPHEBL-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 1
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 description 1
- LSWYGACWGAICNM-UHFFFAOYSA-N 2-(prop-2-enoxymethyl)oxirane Chemical compound C=CCOCC1CO1 LSWYGACWGAICNM-UHFFFAOYSA-N 0.000 description 1
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 1
- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
- VHSHLMUCYSAUQU-UHFFFAOYSA-N 2-hydroxypropyl methacrylate Chemical compound CC(O)COC(=O)C(C)=C VHSHLMUCYSAUQU-UHFFFAOYSA-N 0.000 description 1
- GWZMWHWAWHPNHN-UHFFFAOYSA-N 2-hydroxypropyl prop-2-enoate Chemical compound CC(O)COC(=O)C=C GWZMWHWAWHPNHN-UHFFFAOYSA-N 0.000 description 1
- ZFYJQRSPTNXXHN-UHFFFAOYSA-N 2-methoxyacetic acid;2-methylprop-2-enamide Chemical compound COCC(O)=O.CC(=C)C(N)=O ZFYJQRSPTNXXHN-UHFFFAOYSA-N 0.000 description 1
- IXPWKHNDQICVPZ-UHFFFAOYSA-N 2-methylhex-1-en-3-yne Chemical compound CCC#CC(C)=C IXPWKHNDQICVPZ-UHFFFAOYSA-N 0.000 description 1
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 description 1
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 description 1
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- IOOKGKAICSHSLO-UHFFFAOYSA-N 3-(2-methoxyethoxysilyl)propyl 2-methylprop-2-enoate Chemical compound C(C(=C)C)(=O)OCCC[SiH2]OCCOC IOOKGKAICSHSLO-UHFFFAOYSA-N 0.000 description 1
- WWJCRUKUIQRCGP-UHFFFAOYSA-N 3-(dimethylamino)propyl 2-methylprop-2-enoate Chemical compound CN(C)CCCOC(=O)C(C)=C WWJCRUKUIQRCGP-UHFFFAOYSA-N 0.000 description 1
- UFQHFMGRRVQFNA-UHFFFAOYSA-N 3-(dimethylamino)propyl prop-2-enoate Chemical compound CN(C)CCCOC(=O)C=C UFQHFMGRRVQFNA-UHFFFAOYSA-N 0.000 description 1
- LZMNXXQIQIHFGC-UHFFFAOYSA-N 3-[dimethoxy(methyl)silyl]propyl 2-methylprop-2-enoate Chemical compound CO[Si](C)(OC)CCCOC(=O)C(C)=C LZMNXXQIQIHFGC-UHFFFAOYSA-N 0.000 description 1
- OXYZDRAJMHGSMW-UHFFFAOYSA-N 3-chloropropyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)CCCCl OXYZDRAJMHGSMW-UHFFFAOYSA-N 0.000 description 1
- URDOJQUSEUXVRP-UHFFFAOYSA-N 3-triethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CCO[Si](OCC)(OCC)CCCOC(=O)C(C)=C URDOJQUSEUXVRP-UHFFFAOYSA-N 0.000 description 1
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 1
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 description 1
- BESKSSIEODQWBP-UHFFFAOYSA-N 3-tris(trimethylsilyloxy)silylpropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCC[Si](O[Si](C)(C)C)(O[Si](C)(C)C)O[Si](C)(C)C BESKSSIEODQWBP-UHFFFAOYSA-N 0.000 description 1
- NDWUBGAGUCISDV-UHFFFAOYSA-N 4-hydroxybutyl prop-2-enoate Chemical compound OCCCCOC(=O)C=C NDWUBGAGUCISDV-UHFFFAOYSA-N 0.000 description 1
- QNRSQFWYPSFVPW-UHFFFAOYSA-N 5-(4-cyanobutyldiazenyl)pentanenitrile Chemical compound N#CCCCCN=NCCCCC#N QNRSQFWYPSFVPW-UHFFFAOYSA-N 0.000 description 1
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- 229920002799 BoPET Polymers 0.000 description 1
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- 125000001931 aliphatic group Chemical group 0.000 description 1
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- 125000003545 alkoxy group Chemical group 0.000 description 1
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- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
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- 239000002131 composite material Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000004132 cross linking Methods 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
- KBLWLMPSVYBVDK-UHFFFAOYSA-N cyclohexyl prop-2-enoate Chemical compound C=CC(=O)OC1CCCCC1 KBLWLMPSVYBVDK-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- SLQTWNAJXFHMHM-UHFFFAOYSA-N dimethoxy-methyl-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](C)(OC)OC)CCC2OC21 SLQTWNAJXFHMHM-UHFFFAOYSA-N 0.000 description 1
- WHGNXNCOTZPEEK-UHFFFAOYSA-N dimethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](C)(OC)CCCOCC1CO1 WHGNXNCOTZPEEK-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 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
- RUZYUOTYCVRMRZ-UHFFFAOYSA-N doxazosin Chemical compound C1OC2=CC=CC=C2OC1C(=O)N(CC1)CCN1C1=NC(N)=C(C=C(C(OC)=C2)OC)C2=N1 RUZYUOTYCVRMRZ-UHFFFAOYSA-N 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 1
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 description 1
- LRDFRRGEGBBSRN-UHFFFAOYSA-N isobutyronitrile Chemical compound CC(C)C#N LRDFRRGEGBBSRN-UHFFFAOYSA-N 0.000 description 1
- FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 1
- 238000010550 living polymerization reaction Methods 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- FPFKERZHIGFTEI-UHFFFAOYSA-N n'-(2-trimethoxysilylethyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCNCCN FPFKERZHIGFTEI-UHFFFAOYSA-N 0.000 description 1
- CSNJSTXFSLBBPX-UHFFFAOYSA-N n'-(trimethoxysilylmethyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CNCCN CSNJSTXFSLBBPX-UHFFFAOYSA-N 0.000 description 1
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 description 1
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 description 1
- OMNKZBIFPJNNIO-UHFFFAOYSA-N n-(2-methyl-4-oxopentan-2-yl)prop-2-enamide Chemical compound CC(=O)CC(C)(C)NC(=O)C=C OMNKZBIFPJNNIO-UHFFFAOYSA-N 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 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
- 229910052757 nitrogen Inorganic materials 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
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 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
- 238000004806 packaging method and process Methods 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 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
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical class [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- MUTNCGKQJGXKEM-UHFFFAOYSA-N tamibarotene Chemical compound C=1C=C2C(C)(C)CCC(C)(C)C2=CC=1NC(=O)C1=CC=C(C(O)=O)C=C1 MUTNCGKQJGXKEM-UHFFFAOYSA-N 0.000 description 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 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
- ROWWCTUMLAVVQB-UHFFFAOYSA-N triethoxysilylmethanamine Chemical compound CCO[Si](CN)(OCC)OCC ROWWCTUMLAVVQB-UHFFFAOYSA-N 0.000 description 1
- HIXIMNWSCOCZCF-UHFFFAOYSA-N trimethoxy(3,3,3-trichloropropyl)silane Chemical compound CO[Si](OC)(OC)CCC(Cl)(Cl)Cl HIXIMNWSCOCZCF-UHFFFAOYSA-N 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
- Silicon Polymers (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Description
【0001】
【発明の属する技術分野】
本発明は主として耐候性、潤滑性、離型性を必要とされる分野において有効な塗料、例えば着氷着雪防止用塗料、貼紙防止用塗料として、またポリ塩化ビニル、ポリエステル等のフィルムや電子写真に使用されるキャリヤーあるいは紙等の基材の表面または裏面に撥水性、潤滑性、離型性、耐熱性等の機能を与えるコーティング剤として有用な硬化性組成物および該硬化性組成物を表面および/または裏面に塗布したプラスチックフィルムに関するものである。
本発明の硬化性組成物を表面および/または裏面に塗布したプラスチックフィルムあるいは紙は、磁気テープ、熱転写インクリボンの基材、剥離フィルム、粘着テープ基材、粘着ラベルまたはシール用基材、キャスティング、医療用ポリウレタンフォーム製造用等に供せられる工程フィルムまたは工程紙、食品包装用シートまたは包装紙等に用いられる。
【0002】
【発明の背景】
例えば着氷着雪防止用塗料、あるいは落書き防止や貼紙防止用塗料としてシリコーン系塗料が利用されている。また電子写真に使用される鉄粉やフェライト等に耐環境性、耐久性、耐摩耗性等を与える目的、あるいは磁気テープ、熱転写インクリボンの基材として使用されるポリエステル系のポリエチレンテレフタレート(PET)やポリエチレンナフタレート(PEN)等のプラスチックフィルム基材の表面または裏面に撥水性、潤滑性あるいは耐熱性等を付与する目的でコーティング剤による処理が行なわれている。
【0003】
【従来の技術】
従来、このような塗料やコーティング剤としては、主として反応性シリコーンやポリジメチルシロキサンオイル等を添加した組成物が使用されている。
【0004】
【発明が解決しようとする課題】
しかしながら、上記反応性シリコーンやポリジメチルシロキサンオイル等を添加した組成物では、塗膜の密着性や透明性が低下したり、塗膜表面のタック感があったり、あるいは撥水性、潤滑性、耐熱性等を基材の表面または裏面に与える効果が充分でなく、またその効果の持続性も不充分であると言う問題点があった。
【0005】
【課題を解決するための手段】
本発明は上記従来の課題を解決するための手段として、ポリジメチルシロキサン系高分子アゾ開始剤またはチオール基を有するポリジメチルシロキサンを使用して加水分解性シリル基を有するビニル単量体を重合することによって、または加水分解性シリル基を有するビニル単量体と該加水分解性シリル基を有するビニル単量体と共重合可能な他のビニル単量体とを共重合することによって製造されたポリジメチルシロキサン系ブロック共重合体(A)と架橋剤(B)との混合物からなり、該架橋剤(B)はシランカップリング剤の単量体または重合体の加水分解性シリル基を加水分解することによって得られた加水分解物から選ばれる一種または二種以上の化合物である硬化性組成物を提供するものであり、該ポリジメチルシロキサン系高分子アゾ開始剤は下記〔化2〕の構造を有することが望ましい。
【化2】
更に上記硬化性組成物を表面および/または裏面に塗布した磁気テープまたは熱転写インクリボンの基材として有用なプラスチックフィルムを提供するものである。
【0006】
【発明の実施の形態】
〔ポリジメチルシロキサン系ブロック共重合体(A)〕
本発明の硬化性組成物は、ポリジメチルシロキサン系高分子アゾ開始剤またはチオール基を有するポリジメチルシロキサンを使用して加水分解性シリル基を有するビニル単量体を重合することによって、または加水分解性シリル基を有するビニル単量体と該加水分解性シリル基を有するビニル単量体と共重合可能な他のビニル単量体とを共重合することによって製造されたポリジメチルシロキサン系ブロック共重合体(A)と架橋剤(B)との混合物からなり、該架橋剤(B)はシランカップリング剤の単量体または重合体の加水分解性シリル基を加水分解することによって得られた加水分解物から選ばれる一種または二種以上の化合物である。
まず、ポリジメチルシロキサン部分と加水分解性シリル基を有するビニル重合体部分が存在するポリジメチルシロキサン系ブロック共重合体(A)について説明する。
上記ポリジメチルシロキサン系ブロック共重合体(A)とは、以下の構造で示されるものである。
(1) (a1 *a2 )l
(2) a1 *(a1 *a2 )m
(3) a2 *(a1 *a2 )n
こゝに
l,m,nは1〜10の整数
a1 は下記の構造を有するポリジメチルシロキサン部分
【化3】
a2 は下記の構造を有する加水分解性シリル基を有するビニル重合体部分
【化4】
であり、R1 ,R2 ,R3 は炭素数1〜4のアルコキシル基もしくは炭素数1〜8の脂肪族炭化水素を示す。但しR1 ,R2 ,R3 の全てが炭素数1〜8の脂肪族炭化水素の場合は除く。
まず、上記ポリジメチルシロキサン系ブロック共重合体(A)を合成するためには、(1) リビング重合法、(2) 高分子開始剤法、(3) 高分子連鎖移動法等があげられるが、工業的には(2) または(3) の方法が好ましい。
(2) 高分子開始剤法においては、例えば、
【化5】
のごときポリジメチルシロキサン部分を導入した高分子アゾ触媒が用いられ、該高分子開始剤を用いて加水分解性シリル基を有するビニル単量体および所望なればその他の共重合可能なビニル単量体を添加して重合すれば、効率よくブロック共重合体Aを製造出来る。
(3) 高分子連鎖移動法では、
【化6】
【化7】
のごとき官能基を有するポリジメチルシロキサンにHS−CH2 COOHやHS−CH2 CH2 COOHを付加させ、SH基を有するポリジメチルシロキサンが用いられ、該ポリジメチルシロキサンのSH基の連鎖移動を利用して加水分解性シリル基を有するビニル単量体および所望なればその他の共重合可能なビニル単量体を添加して重合することによりブロック共重合体Aが得られる。
【0007】
〔加水分解性シリル基を有するビニル単量体〕
本発明に使用される加水分解性シリル基を有するビニル単量体としては、γ−メタクリロキシプロピルトリメトキシシラン、γ−メタクリロキシプロピルトリエトキシシラン、γ−メタクリロキシプロピルメチルジメトキシシラン、γ−メタクリロキシプロピルメチルジエトキシシラン、γ−メタクリロキシプロピルメトキシエトキシシラン、ビニルトリメトキシシラン、ビニルトリエトキシシラン等のシランカップリング剤が使用出来る。
【0008】
〔その他の共重合可能なビニル単量体〕
上記(2) 高分子開始剤法や(3) 高分子連鎖移動法において使用されるその他の共重合可能なビニル単量体としては、例えばメチルアクリレート、エチルアクリレート、n-プロピルアクリレート、iso-プロピルアクリレート、n-ブチルアクリレート、iso-ブチルアクリレート、t-ブチルアクリレート、2-エチルヘキシルアクリレート、シクロヘキシルアクリレート、テトラヒドロフルフリルアクリレート、ステアリルアクリレート、ラウリルアクリレート、メチルメタクリレート、エチルメタクリレート、n-プロピルメタクリレート、iso-プロピルメタクリレート、n-ブチルメタクリレート、iso-ブチルメタクリレート、2-エチルヘキシルメタクリレート、シクロヘキシルメタクリレート、テトラヒドロフルフリルメタクリレート、ステアリルメタクリレート、ラウリルメタクリレート等の脂肪族または環式アクリレートおよび/またはメタクリレート、メチルビニルエーテル、エチルビニルエーテル、n-プロピルビニルエーテル、n-ブチルビニルエーテル、iso-ブチルビニルエーテル等のビニルエーテル類、スチレン、α−メチルスチレン等のスチレン類、、アクリロニトリル、メタクリロニトリル等のニトリル系単量体、酢酸ビニル、プロピオン酸ビニル等の脂肪酸ビニル、塩化ビニル、塩化ビニリデン、弗化ビニル、弗化ビニリデン等のハロゲン含有単量体、エチレン、プロピレン、イソプレン等のオレフィン類、クロロプレン、ブタジエン等のジエン類、アクリル酸、メタクリル酸、イタコン酸、マレイン酸、無水マレイン酸、クロトン酸、アトロパ酸、シトラコン酸等のα,β−不飽和カルボン酸、アクリルアミド、メタクリルアミド、N,N−メチロールアクリルアミド、N,N−ジメチルアクリルアミド、ジアセトンアクリルアミド、メチルアクリルアミドグリコレートメチルエーテル等のアミド類、N,N−ジメチルアミノエチルメタクリレート、N,N−ジエチルアミノエチルメタクリレート、N,N−ジメチルアミノプロピルメタクリレート、N,N−ジメチルアミノエチルアクリレート、N,N−ジエチルアミノエチルアクリレート、N,N−ジメチルアミノプロピルアクリレート等のアミノ基含有単量体、グリシジルアクリレート、グリシジルメタクリレート、グリシジルアリルエーテル等のエポキシ基含有単量体、2-ヒドロキシエチルメタクリレート、2-ヒドロキシエチルアクリレート、2-ヒドロキシプロピルメタクリレート、2-ヒドロキシプロピルアクリレート、4-ヒドロキシブチルアクリレート、アリルアルコール、カージュラEとアクリル酸、メタクリル酸、イタコン酸、マレイン酸、クロトン酸等との反応物、その他ビニルピロリドン、ビニルピリジン、ビニルカルバゾール等がある。上記単量体は一種または二種以上混合使用される。上記例示は本発明を限定するものではない。
【0009】
〔ポリジメチルシロキサン系ブロック共重合体(A)の製造方法〕
本発明によるポリジメチルシロキサン系ブロック共重合体(A)は、上記したように(2) 高分子開始剤法においては、上記ポリジメチルシロキサンを導入した高分子開始剤によって上記加水分解性シリル基を有するビニル単量体を所望なれば上記他の共重合可能なビニル単量体を添加して重合せしめることによって製造され、(3) 高分子連鎖移動法においては、上記SH基を有するポリジメチルシロキサンのSH基の連鎖移動を利用して加水分解性シリル基を有するビニル単量体を所望なれば上記他の共重合可能なビニル単量体を添加して重合せしめることによって製造される。上記重合反応は通常溶液において行なわれる。上記溶液重合においては、トルエン、キシレン等の芳香族炭化水素系溶剤、アセトン、メチルエチルケトン、メチルイソブチルケトン等のケトン系溶剤、酢酸エチル、酢酸プロピル、酢酸イソブチル、酢酸ブチル等のエステル系溶剤、メタノール、エタノール、イソプロパノール、ブタノール、イソブタノール等のアルコール系溶剤等の単独または混合溶剤として使用出来る。
また上記溶液重合においては、例えばベンゾイルパーオキサイド、ラウリルパーオキサイド、クメンハイドロパーオキサイド、ジクミルパーオキサイド、t-ブチルパーオキシイソプロピルカーボネート、t-ブチルパーベンゾエート、ジ-t- ブチルパーオキサイド、アゾビスイソブチロニトリル、アゾビスバレロニトリル等の重合開始剤の併用も可能であるが、(2) 高分子開始剤法では必ずしも使用しなくてもよい。
このようにして得られるポリジメチルシロキサン系ブロック共重合体(A)において、シロキサン含有比率は1〜60重量%、好ましくは5〜40重量%、加水分解性シリル基を有するビニル単量体の含有比率は1〜30重量%、その他共重合可能なビニル単量体の含有比率は5〜85重量%とし、その中にOH基やエポキシ基を有するビニル単量体が含有されるのが望ましい。
このようにして得られるポリジメチルシロキサン系ブロック共重合体(A)は、他の合成樹脂との相溶性に富み、相溶化剤としても極めて有効であるため、例えばシリコーン樹脂やポリビニルアセトアセタールやポリビニルブチラール等の合成樹脂を混合して使用することも出来る。
【0010】
〔架橋剤(B)〕
上記ポリジメチルシロキサン系ブロック共重合体Aの架橋剤(B)について説明する。
本発明に使用される架橋剤(B)としては、シランカップリング剤やその重合体の加水分解性基を加水分解して得られる加水分解物がある。上記シランカップリング剤としてはアミノメチルトリエトキシシラン、N−β−アミノエチルアミノメチルトリメトキシシラン、N−β−アミノエチルアミノエチルトリメトキシシラン、N−β−(アミノエチル)−γ−アミノプロピルトリメトキシシラン、γ−アミノプロピルトリメトキシシラン、γ−アミノプロピルトリエトキシシラン等のアミノアルキルアルコキシシラン、γ−グリシドキシプロピルトリメトキシシラン、γ−グリシドキシプロピルメチルジメトキシシラン、β−(3,4−エポキシシクロヘキシル)エチルトリメトキシシラン、β−(3,4−エポキシシクロヘキシル)エチルメチルジメトキシシラン等のエポキシアルキルアルコキシシラン、γ−メルカプトプロピルトリメトキシシラン、γ−メルカプトプロピルメチルジメトキシシラン等のメルカプトアルキルアルコキシシラン、γ−クロロプロピルトリメトキシシラン、3,3,3−トリクロロプロピルトリメトキシシラン等のハロゲン化アルキルアルコキシシラン、アルキルトリアシロキシシラン、アルケニルトリアシロキシシラン、アリールトリアルコキシシラン、トリメトキシシラン等のヒドロキシシラン化合物等が挙げられ、更に重合性のシランカップリング剤としてはポリジメチルシロキサン系ブロック共重合体(A)において使用される加水分解性シリル基を有するビニル単量体等が挙げられ、更に架橋剤(B)として使用されるシラン化合物としては該シランカップリング剤の重合体等が挙げられる。これらのシラン化合物(B)は一種または二種以上併用しても差し支えない。またこれらのシラン化合物(B)は加水分解されている状態でも、部分的に縮合した状態のものでもよい。
例えば、上記加水分解物としては、酸ないしアルカリ触媒存在下、加水分解性基を有するシラン化合物にアルコール併用系にて水を添加することによって得られるものであって、加水分解性基を有するシラン化合物に対して当量以上の水を添加すると完全に加水分解したアルコール性のシリカゲルないしシリカゾル、シロキサン系複合物が得られ、当量に満たない水を添加した場合には、その比率に応じた部分加水分解物が調製される。
【0011】
〔硬化触媒(C)〕
次に硬化触媒(C)について説明する。
上記ポリジメチルシロキサン系ブロック共重合体(A)はアルミニウムキレート化剤、有機錫、有機チタネート、有機酸、無機酸から選ばれる一種または二種以上の硬化触媒(C)により硬化させることにより、その塗膜性能が更に向上する。
上記硬化形式としては以下の反応形態が考えられる。
(1) −Si(OR)n →−Si(OH)n
(2) −Si(OH)n +−Si(OR)n →−SiOSi−+nROH
(3) −Si(OH)n +−Si(OH)n →−SiOSi−+nH2 O
またポリジメチルシロキサン系ブロック共重合体AがOH基を有する場合は
(4) −OH+−Si(OR)n →−Si(OR)n-1 −
【0012】
ポリジメチルシロキサンと加水分解性シリル基とを有するポリジメチルシロキサン系ブロック共重合体Aと上記架橋剤Bの配合割合はA:Bが固形分比で100:0〜1:99の範囲内で使用可能であるが、好ましくは70:30〜50:50の範囲が望ましい。この範囲内では最も各種性能が有効に発揮される。
また硬化触媒CはA+B:Cが固形分比で100:0.1〜100:10の範囲である。上記範囲以上添加した場合硬化触媒Cが物性に悪影響を及ぼす。
【0013】
〔プラスチックフィルム〕
上記硬化性組成物が塗布されるプラスチックフィルムとしては、例えばポリエチレンテレフタレート、ポリエチレンナフタレート等が磁気テープや熱転写インクリボンの基材として特に有用であり、通常1〜0.05μ、望ましくは0.5〜0.1μ程度塗布される。その他には例えばポリエチレン、ポリプロピレン、ポリ塩化ビニル、ポリ塩化ビニリデン、ポリエステル、ポリアミド、ポリイミド、ポリカーボネート、ポリアセタール、ポリフェニレンオキシド等のエンジニアリングプラスチックのフィルム等にも有用であり、例えば農業用ビニルハウス等のフィルムに用いられる場合には、通常10〜1μ、望ましくは5〜2μ程度塗布される。
【0014】
【作用】
本発明によればポリジメチルシロキサン成分がブロック共重合体Aの骨格に組み込まれているために表面濃縮機能により表面で撥水性、潤滑性、耐熱性の機能が充分発揮され、従来のポリジメチルシロキサンオイルを添加した組成物に特有の表面のタック感、透明性の低下や効果の持続性も改善することが出来るし、共重合成分により基材との密着性も向上する。また架橋させることにより、更に耐候性、耐熱性、耐溶剤性および撥水性や潤滑性の持続性も著しく向上する。
【0015】
【実施例】
〔参考例1〕
攪拌機、温度計、コンデンサー、窒素ガス導入管を備えた500mlフラスコにエタノール80重量部(以下単に部とする)を入れ、攪拌しながらテトラエトキシシラン200部を溶解させ、次いで脱イオン水40部に35%塩酸5部を溶解した溶液を徐々に滴下し、攪拌しながら反応温度を80℃と一定にして5時間反応させテトラエトキシシランの加水分解反応を行ない、加水分解したシラン化合物sを得た。
【0016】
〔実施例1〕
参考例1と同様の設備で、エタノール80部、メチルトリメトキシシラン180部、γ−グリシドキシプロピルトリメトキシシラン20部にした以外は同様の操作でシラン化合物tを得た。
【0017】
〔参考例2〕
参考例1と同様の設備で、イソプロピルアルコール200部、メチルメタクリレート35部、n−ブチルメタクリレート15部、2−ヒドロキシエチルメタクリレート20部、γ−メタクリロキシプロピルトリメトキシシラン10部、VPS−0501(和光純薬株式会社製商品名:ポリジメチルシロキサン系高分子アゾ開始剤 シリコーン鎖長5000)20部を仕込み、均一になるまで攪拌した後、80℃まで昇温し5時間で重合を終了した。
このようにして固形分33.3重量%(以下単に%とする)のシリコーンブロック共重合体A−1溶液を製造した。続いて、このシリコーンブロック共重合体A−1溶液100部に対して参考例1のシラン化合物s20部を混合して樹脂液aとした。
【0018】
〔参考例3〕
参考例1と同様の設備で、参考例2のVPS−0501をVPS−1001(和光純薬株式会社製商品名:ポリジメチルシロキサン系高分子アゾ開始剤 シリコーン鎖長10000)に変更した以外は全て参考例2と同様の配合、操作により固形分33.3%のシリコーンブロック共重合体A−2溶液を製造した。
続いて、このシリコーンブロック共重合体A−2溶液100部に対して参考例1のシラン化合物s20部を混合して樹脂液bとした。
〔実施例2〕
参考例3においてシリコーンブロック共重合体A−2溶液100部に対して参考例1のシラン化合物sに代えて実施例1のシラン化合物t20部を混合したものを樹脂液cとした。
【0019】
〔実施例3〕
参考例1と同様の設備で、参考例2のメチルメタクリレート35部、n−ブチルメタクリレート15部をメチルメタクリレート20部、n−ブチルメタクリレート10部、3−メタクリロキシプロピルトリス(トリメチルシロキシ)シラン20部に変更した以外は参考例2と同様の配合、操作により固形分33.3%のシリコーンブロック共重合体A−3溶液を製造した。
続いて、このシリコーンブロック共重合体A−3溶液100部に対して実施例1のシラン化合物t20部を混合したものを樹脂液dとした。
【0020】
〔参考例4〕
参考例1と同様の設備で、イソプロピルアルコール200部、メチルメタクリレート35部、n−ブチルメタクリレート15部、2−ヒドロキシエチルメタクリレート20部、γ−メタクリロキシプロピルトリメトキシシラン10部、X22−167B(信越化学工業株式会社製商品名:両末端チオール基を有するポリジメチルシロキサン)20部、アゾビスイソブチロニトリル1部を仕込み、80℃まで昇温し5時間で重合を終了した。
このようにして固形分33.3%のシリコーンブロック共重合体A−4溶液を製造した。
続いて、このシリコーンブロック共重合体A−4溶液100部に対して参考例1のシラン化合物s20部を混合して樹脂液eとした。
【0021】
〔比較例1〕
参考例1と同様の設備で、イソプロピルアルコール200部、メチルメタクリレート35部、n−ブチルメタクリレート15部、2−ヒドロキシエチルメタクリレート20部、γ−メタクリロキシプロピルトリメトキシシラン10部、アゾビスイソブチロニトリル1部を仕込み、80℃まで昇温し5時間で重合を終了してから、FM−4421(チッソ株式会社製商品名:両末端水酸基を有するポリジメチルシロキサン:分子量5000)20部を混合して、固形分33.3%の樹脂液を得た。これを樹脂液fとした。
【0022】
〔比較例2〕
比較例1のFM−4421をSF8411(東レシリコーン社製商品名:側鎖エーテル型エポキシ変性ポリジメチルシロキサン)に変更した以外は全て比較例1と同じ配合、操作により固形分33.3%の樹脂液を得た。これを樹脂液gとした。
【0023】
上記実施例2、3および参考例2、3、4で製造した樹脂液c,d、a,b,eと、比較例1〜2で製造した樹脂液f,gについて、夫々イソプロピルアルコールで固形分20%になるように希釈し、硬化触媒Cとしてアセチルアセトンアルミニウムを固形分に対して2%添加して塗布液を調製した。
この塗布液をマイヤーバー#3にてPETフィルム上に塗布し、60℃,8時間乾燥した後、物性を評価した。結果を表1に示した。
【0024】
【表1】
評価方法
密着性:碁盤目セロテープ剥離試験
動摩擦係数:HEIDON型摩擦試験機
接触角:協和界面化学製 接触計
表面のタック感:○ なし
× あり
フィルム透明性:目視判定
○ クリヤー
× 曇りあり
ゲル分率:各種試料のフィルムをトルエン中にて超音波を及ぼして30分で抽 出し、その前後の重量差より算出した。
剥離力:島津製作所製オートグラフにて布テープを25mm巾にして90度ピー ルで300mm/min の速度で測定した。
耐候性試験:ウェザオメーター1000時間後、同様に接触角と剥離力を測定 した。
【0025】
表1によれば、本発明のブロック共重合体を硬化してなる実施例2、3では、密着性、潤滑性(動摩擦係数)、接触角の評価で示されるようにシリコーンの配向が効果的に発現されており、フィルム外観上も問題ない。しかし比較例1,2では、シリコーンの効果は一定に見られるが、フィルム外観上でシリコーンを多く添加した際に見られる表面のタック感やフィルムの透明性の低下などが見受けられ、効果の持続性の点でも充分ではない。
【0026】
【発明の効果】
したがって、本発明においてはポリジメチルシロキサン系ブロック共重合体(A)に架橋剤(B)としてシランカップリング剤やその重合体の加水分解性基を加水分解して得られる加水分解物を添加して硬化する組成物は、従来の反応性シリコーンや変性シリコーンオイルを添加した組成物に比較して、シリコーンの有する撥水性、潤滑性、耐熱性の機能が充分発揮され、かつ耐候性、耐溶剤性、表面のタック感、フィルムの透明性、撥水性や潤滑性の持続性等に優れた硬化性組成物および該硬化性組成物を塗布した磁気テープまたは熱転写インクリボンの基材として有用なプラスチックフィルムが得られる。[0001]
BACKGROUND OF THE INVENTION
The present invention is mainly effective in fields requiring weather resistance, lubricity, and releasability, such as paint for preventing icing and snowing, paint for preventing sticking, film of polyvinyl chloride, polyester, etc. A curable composition useful as a coating agent that imparts functions such as water repellency, lubricity, release properties, heat resistance to the front or back surface of a carrier or paper substrate used in photography, and the curable composition The present invention relates to a plastic film applied to the front surface and / or the back surface.
The plastic film or paper coated with the curable composition of the present invention on the front surface and / or back surface is a magnetic tape, a thermal transfer ink ribbon substrate, a release film, an adhesive tape substrate, an adhesive label or a sealing substrate, casting, It is used for process films or process papers, food packaging sheets or wrapping papers used for the production of medical polyurethane foams.
[0002]
BACKGROUND OF THE INVENTION
For example, a silicone-based paint is used as an anti-icing / snow-preventing paint, or a graffiti-preventing or paper-sticking paint. Also, polyester-based polyethylene terephthalate (PET) for the purpose of imparting environmental resistance, durability, wear resistance, etc. to iron powder and ferrite used in electrophotography, or as a base material for magnetic tapes and thermal transfer ink ribbons For the purpose of imparting water repellency, lubricity, heat resistance, etc. to the front or back surface of a plastic film substrate such as polyethylene naphthalate (PEN), etc., a treatment with a coating agent is performed.
[0003]
[Prior art]
Conventionally, compositions such as reactive silicone and polydimethylsiloxane oil are mainly used as such paints and coating agents.
[0004]
[Problems to be solved by the invention]
However, in the composition to which the above reactive silicone or polydimethylsiloxane oil is added, the adhesion and transparency of the coating film are reduced, the coating surface is tacky, or the water repellency, lubricity, heat resistance There is a problem that the effect of imparting properties and the like to the front surface or the back surface of the substrate is not sufficient, and the sustainability of the effect is insufficient.
[0005]
[Means for Solving the Problems]
In the present invention, as a means for solving the above conventional problems, a vinyl monomer having a hydrolyzable silyl group is polymerized using a polydimethylsiloxane polymer azo initiator or a polydimethylsiloxane having a thiol group. Or by copolymerizing a vinyl monomer having a hydrolyzable silyl group and another vinyl monomer copolymerizable with the vinyl monomer having a hydrolyzable silyl group. Comprising a mixture of a dimethylsiloxane block copolymer (A) and a crosslinking agent (B), the crosslinking agent (B) hydrolyzes the hydrolyzable silyl group of the monomer or polymer of the silane coupling agent. A curable composition which is one or two or more compounds selected from the hydrolyzate obtained by Child azo initiators desirably has a structure of the following general formula [2].
[Chemical 2]
Furthermore, the present invention provides a plastic film useful as a base material for a magnetic tape or a thermal transfer ink ribbon in which the curable composition is applied to the front surface and / or the back surface.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
[Polydimethylsiloxane block copolymer (A)]
The curable composition of the present invention is obtained by polymerizing a vinyl monomer having a hydrolyzable silyl group using a polydimethylsiloxane polymer azo initiator or a polydimethylsiloxane having a thiol group, or hydrolyzing. Block copolymer produced by copolymerizing a vinyl monomer having a reactive silyl group and another vinyl monomer copolymerizable with the hydrolyzable silyl group-containing vinyl monomer The mixture (A) comprises a mixture of a crosslinking agent (B), and the crosslinking agent (B) is a hydrolyzate obtained by hydrolyzing a hydrolyzable silyl group of a monomer or polymer of a silane coupling agent. It is 1 type, or 2 or more types of compounds chosen from decomposition products.
First, the polydimethylsiloxane block copolymer (A) in which a polydimethylsiloxane portion and a vinyl polymer portion having a hydrolyzable silyl group are present will be described.
The said polydimethylsiloxane type block copolymer (A) is shown by the following structures.
(1) (a 1 * a 2 ) l
(2) a 1 * (a 1 * a 2 ) m
(3) a 2 * (a 1 * a 2 ) n
Here, l, m and n are integers of 1 to 10 a 1 is a polydimethylsiloxane moiety having the following structure:
a 2 is a vinyl polymer moiety having a hydrolyzable silyl group having the following structure:
And R 1 , R 2 and R 3 represent an alkoxyl group having 1 to 4 carbon atoms or an aliphatic hydrocarbon having 1 to 8 carbon atoms. However, the case where all of R 1 , R 2 and R 3 are aliphatic hydrocarbons having 1 to 8 carbon atoms is excluded.
First, in order to synthesize the polydimethylsiloxane block copolymer (A), there are (1) a living polymerization method, (2) a polymer initiator method, (3) a polymer chain transfer method and the like. Industrially, the method (2) or (3) is preferred.
(2) In the polymer initiator method, for example,
[Chemical formula 5]
A polymer azo catalyst having a polydimethylsiloxane moiety introduced therein, and a vinyl monomer having a hydrolyzable silyl group using the polymer initiator and other copolymerizable vinyl monomers if desired Is added to perform polymerization, the block copolymer A can be produced efficiently.
(3) In the polymer chain transfer method,
[Chemical 6]
[Chemical 7]
HS-CH 2 COOH or HS-CH 2 CH 2 COOH is added to a polydimethylsiloxane having a functional group such as, and polydimethylsiloxane having an SH group is used, and the chain transfer of the SH group of the polydimethylsiloxane is used. Then, the block copolymer A is obtained by adding and polymerizing a vinyl monomer having a hydrolyzable silyl group and, if desired, another copolymerizable vinyl monomer.
[0007]
[Vinyl monomer having hydrolyzable silyl group]
Examples of the vinyl monomer having a hydrolyzable silyl group used in the present invention include γ-methacryloxypropyltrimethoxysilane, γ-methacryloxypropyltriethoxysilane, γ-methacryloxypropylmethyldimethoxysilane, and γ-methacrylate. Silane coupling agents such as loxypropylmethyldiethoxysilane, γ-methacryloxypropylmethoxyethoxysilane, vinyltrimethoxysilane, and vinyltriethoxysilane can be used.
[0008]
[Other copolymerizable vinyl monomers]
Examples of other copolymerizable vinyl monomers used in the above (2) polymer initiator method and (3) polymer chain transfer method include methyl acrylate, ethyl acrylate, n-propyl acrylate, and iso-propyl. Acrylate, n-butyl acrylate, iso-butyl acrylate, t-butyl acrylate, 2-ethylhexyl acrylate, cyclohexyl acrylate, tetrahydrofurfuryl acrylate, stearyl acrylate, lauryl acrylate, methyl methacrylate, ethyl methacrylate, n-propyl methacrylate, iso-propyl Methacrylate, n-butyl methacrylate, iso-butyl methacrylate, 2-ethylhexyl methacrylate, cyclohexyl methacrylate, tetrahydrofurfuryl methacrylate, stearyl methacrylate , Aliphatic or cyclic acrylates and / or methacrylates such as lauryl methacrylate, vinyl ethers such as methyl vinyl ether, ethyl vinyl ether, n-propyl vinyl ether, n-butyl vinyl ether, iso-butyl vinyl ether, styrene such as styrene and α-methyl styrene , Nitrile monomers such as acrylonitrile and methacrylonitrile, fatty acid vinyls such as vinyl acetate and vinyl propionate, halogen-containing monomers such as vinyl chloride, vinylidene chloride, vinyl fluoride and vinylidene fluoride, ethylene, Olefins such as propylene and isoprene, dienes such as chloroprene and butadiene, α, β-unsaturated carbo such as acrylic acid, methacrylic acid, itaconic acid, maleic acid, maleic anhydride, crotonic acid, atropaic acid and citraconic acid Amides such as acid, acrylamide, methacrylamide, N, N-methylolacrylamide, N, N-dimethylacrylamide, diacetoneacrylamide, methylacrylamide glycolate methyl ether, N, N-dimethylaminoethyl methacrylate, N, N-diethylamino Amino group-containing monomers such as ethyl methacrylate, N, N-dimethylaminopropyl methacrylate, N, N-dimethylaminoethyl acrylate, N, N-diethylaminoethyl acrylate, N, N-dimethylaminopropyl acrylate, glycidyl acrylate, glycidyl Epoxy group-containing monomers such as methacrylate and glycidyl allyl ether, 2-hydroxyethyl methacrylate, 2-hydroxyethyl acrylate, 2-hydroxypropyl methacrylate Rate, 2-hydroxypropyl acrylate, 4-hydroxybutyl acrylate, allyl alcohol, Cardura E and its reaction with acrylic acid, methacrylic acid, itaconic acid, maleic acid, crotonic acid, etc., other vinylpyrrolidone, vinylpyridine, vinylcarbazole, etc. There is. The above monomers are used alone or in combination. The above examples are not intended to limit the present invention.
[0009]
[Production Method of Polydimethylsiloxane Block Copolymer (A)]
As described above, the polydimethylsiloxane block copolymer (A) according to the present invention has the hydrolyzable silyl group formed by the polymer initiator introduced with the polydimethylsiloxane in the polymer initiator method as described above. If desired, the vinyl monomer is produced by adding the above-mentioned other copolymerizable vinyl monomer and polymerizing. (3) In the polymer chain transfer method, the polydimethylsiloxane having the SH group is produced. If desired, a vinyl monomer having a hydrolyzable silyl group utilizing the chain transfer of the SH group can be produced by adding the other copolymerizable vinyl monomer and polymerizing it. The polymerization reaction is usually performed in a solution. In the solution polymerization, aromatic hydrocarbon solvents such as toluene and xylene, ketone solvents such as acetone, methyl ethyl ketone and methyl isobutyl ketone, ester solvents such as ethyl acetate, propyl acetate, isobutyl acetate and butyl acetate, methanol, It can be used alone or as a mixed solvent such as alcohol solvents such as ethanol, isopropanol, butanol and isobutanol.
In the above solution polymerization, for example, benzoyl peroxide, lauryl peroxide, cumene hydroperoxide, dicumyl peroxide, t-butyl peroxyisopropyl carbonate, t-butyl perbenzoate, di-t-butyl peroxide, azobis A polymerization initiator such as isobutyronitrile and azobisvaleronitrile can be used in combination, but (2) it is not necessarily used in the polymer initiator method.
In the polydimethylsiloxane block copolymer (A) thus obtained, the siloxane content ratio is 1 to 60% by weight, preferably 5 to 40% by weight, containing a vinyl monomer having a hydrolyzable silyl group The ratio is 1 to 30% by weight, the content of other copolymerizable vinyl monomers is 5 to 85% by weight, and it is desirable that the vinyl monomer having an OH group or an epoxy group is contained therein.
The polydimethylsiloxane block copolymer (A) thus obtained is highly compatible with other synthetic resins and extremely effective as a compatibilizing agent. For example, silicone resin, polyvinyl acetoacetal, polyvinyl A synthetic resin such as butyral can also be mixed and used.
[0010]
[Crosslinking agent (B)]
The crosslinking agent (B) of the polydimethylsiloxane block copolymer A will be described.
As the crosslinking agent used in the present invention (B) is hydrolyzed there obtained Ru a silane coupling agent or a polymer thereof hydrolyzable group by hydrolysis. Aminomethyl triethoxysilane as above Symbol silane coupling agent, N-beta-aminoethyl aminomethyl trimethoxy silane, N-beta-aminoethyl-aminoethyl trimethoxy silane, N-β- (aminoethyl)-.gamma.-amino Aminoalkylalkoxysilanes such as propyltrimethoxysilane, γ-aminopropyltrimethoxysilane, γ-aminopropyltriethoxysilane, γ-glycidoxypropyltrimethoxysilane, γ-glycidoxypropylmethyldimethoxysilane, β- ( 3,4-epoxycyclohexyl) ethyltrimethoxysilane, β- (3,4-epoxycyclohexyl) ethylmethyldimethoxysilane, and other epoxyalkylalkoxysilanes, γ-mercaptopropyltrimethoxysilane, γ-mercaptopropylmethyldi Mercaptoalkylalkoxysilanes such as toxisilane, γ-chloropropyltrimethoxysilane, halogenated alkylalkoxysilanes such as 3,3,3-trichloropropyltrimethoxysilane, alkyltrisiloxysilane, alkenyltrisiloxysilane, aryltrialkoxysilane, Examples thereof include hydroxysilane compounds such as trimethoxysilane. Further, as a polymerizable silane coupling agent, a vinyl monomer having a hydrolyzable silyl group used in the polydimethylsiloxane block copolymer (A), etc. Further, examples of the silane compound used as the crosslinking agent (B) include a polymer of the silane coupling agent. These silane compounds (B) may be used alone or in combination of two or more. These silane compounds (B) may be hydrolyzed or partially condensed.
For example, the hydrolyzate is obtained by adding water to a silane compound having a hydrolyzable group in the presence of an acid or alkali catalyst in an alcohol combined system, and having a hydrolyzable group. Alcohol-based silica gel, silica sol, or siloxane-based composite that is completely hydrolyzed can be obtained by adding more than the equivalent amount of water to the compound. When less than equivalent amount of water is added, partial hydrolysis according to the ratio is performed. A degradation product is prepared.
[0011]
[Curing catalyst (C)]
Next, the curing catalyst (C) will be described.
The polydimethylsiloxane block copolymer (A) is cured by one or more curing catalysts (C) selected from aluminum chelating agents, organic tin, organic titanates, organic acids, and inorganic acids. The coating film performance is further improved.
The following reaction forms can be considered as the above-mentioned curing forms.
(1) -Si (OR) n → -Si (OH) n
(2) -Si (OH) n + -Si (OR) n → -SiOSi- + nROH
(3) -Si (OH) n + -Si (OH) n → -SiOSi- + nH 2 O
When the polydimethylsiloxane block copolymer A has an OH group
(4) −OH + —Si (OR) n → −Si (OR) n−1 −
[0012]
The blending ratio of the polydimethylsiloxane block copolymer A having polydimethylsiloxane and hydrolyzable silyl group and the cross-linking agent B is such that A: B is in a solid content ratio of 100: 0 to 1:99. Although it is possible, the range of 70:30 to 50:50 is desirable. Various performances are most effectively exhibited within this range.
The curing catalyst C has a solid content ratio of A + B: C of 100: 0.1 to 100: 10. When added in the above range or more, the curing catalyst C adversely affects the physical properties.
[0013]
[Plastic film]
As the plastic film to which the curable composition is applied, for example, polyethylene terephthalate, polyethylene naphthalate and the like are particularly useful as a base material for a magnetic tape or a thermal transfer ink ribbon, usually 1 to 0.05 μm, desirably 0.5. About 0.1 μm is applied. In addition, it is useful for engineering plastic films such as polyethylene, polypropylene, polyvinyl chloride, polyvinylidene chloride, polyester, polyamide, polyimide, polycarbonate, polyacetal, polyphenylene oxide, etc. When used, it is usually applied in an amount of about 10 to 1 μm, preferably about 5 to 2 μm.
[0014]
[Action]
According to the present invention, since the polydimethylsiloxane component is incorporated into the skeleton of the block copolymer A, the surface concentration function sufficiently exhibits the functions of water repellency, lubricity and heat resistance on the surface, and the conventional polydimethylsiloxane The surface tackiness characteristic of the composition to which oil has been added, the reduction in transparency and the sustainability of the effect can be improved, and the adhesion to the substrate is also improved by the copolymer component. Further, by crosslinking, the weather resistance, heat resistance, solvent resistance, water repellency and durability of lubricity are significantly improved.
[0015]
【Example】
[Reference Example 1]
In a 500 ml flask equipped with a stirrer, thermometer, condenser, and nitrogen gas inlet tube, 80 parts by weight of ethanol (hereinafter simply referred to as “parts”) is added, 200 parts of tetraethoxysilane is dissolved with stirring, and then 40 parts of deionized water is added. A solution in which 5 parts of 35% hydrochloric acid was dissolved was gradually added dropwise, and the reaction temperature was kept constant at 80 ° C. while stirring to react for 5 hours to hydrolyze tetraethoxysilane to obtain hydrolyzed silane compound s. .
[0016]
[ Example 1 ]
A silane compound t was obtained in the same manner as in Reference Example 1 , except that 80 parts of ethanol, 180 parts of methyltrimethoxysilane, and 20 parts of γ-glycidoxypropyltrimethoxysilane were used.
[0017]
[ Reference Example 2 ]
In the same equipment as in Reference Example 1 , 200 parts of isopropyl alcohol, 35 parts of methyl methacrylate, 15 parts of n-butyl methacrylate, 20 parts of 2-hydroxyethyl methacrylate, 10 parts of γ-methacryloxypropyltrimethoxysilane, VPS-0501 (sum 20 parts of a product name: polydimethylsiloxane polymer azo initiator (manufactured by Kojun Co., Ltd., silicone chain length 5000) was added and stirred until uniform, then heated to 80 ° C. and polymerization was completed in 5 hours.
In this manner, a silicone block copolymer A-1 solution having a solid content of 33.3% by weight (hereinafter simply referred to as%) was produced . Subsequently, 20 parts of the silane compound s of Reference Example 1 was mixed with 100 parts of this silicone block copolymer A-1 solution to obtain a resin liquid a.
[0018]
[ Reference Example 3 ]
All except that VPS-0501 of Reference Example 2 was changed to VPS-1001 (trade name: polydimethylsiloxane polymer azo initiator silicone chain length 10,000, manufactured by Wako Pure Chemical Industries, Ltd.) with the same equipment as Reference Example 1. A silicone block copolymer A-2 solution having a solid content of 33.3% was produced by the same composition and operation as in Reference Example 2 .
Subsequently, 20 parts of the silane compound s of Reference Example 1 was mixed with 100 parts of this silicone block copolymer A-2 solution to obtain a resin liquid b.
[ Example 2 ]
In Reference Example 3, a resin liquid c was prepared by mixing 20 parts of the silane compound t of Example 1 with 100 parts of the silicone block copolymer A-2 solution instead of the silane compound s of Reference Example 1 .
[0019]
[ Example 3 ]
In the same equipment as in Reference Example 1, 35 parts of methyl methacrylate of Example 2, n- 20 parts of methyl methacrylate, 15 parts of butyl methacrylate, 10 parts of n- butyl methacrylate, 3-methacryloxypropyl tris (trimethylsiloxy) silane 20 parts A silicone block copolymer A-3 solution having a solid content of 33.3% was produced by the same composition and operation as in Reference Example 2 except that the composition was changed to.
Subsequently, 100 parts of this silicone block copolymer A-3 solution was mixed with 20 parts of the silane compound t of Example 1 to obtain a resin liquid d.
[0020]
[ Reference Example 4 ]
In the same equipment as in Reference Example 1 , 200 parts of isopropyl alcohol, 35 parts of methyl methacrylate, 15 parts of n-butyl methacrylate, 20 parts of 2-hydroxyethyl methacrylate, 10 parts of γ-methacryloxypropyltrimethoxysilane, X22-167B (Shin-Etsu) Chemical Industry Co., Ltd. product name: polydimethylsiloxane having both thiol groups) 20 parts and azobisisobutyronitrile 1 part were charged, the temperature was raised to 80 ° C., and polymerization was completed in 5 hours.
In this way, a silicone block copolymer A-4 solution having a solid content of 33.3% was produced .
Subsequently, 20 parts of the silane compound s of Reference Example 1 was mixed with 100 parts of this silicone block copolymer A-4 solution to obtain a resin liquid e.
[0021]
[Comparative Example 1]
In the same equipment as in Reference Example 1 , 200 parts of isopropyl alcohol, 35 parts of methyl methacrylate, 15 parts of n-butyl methacrylate, 20 parts of 2-hydroxyethyl methacrylate, 10 parts of γ-methacryloxypropyltrimethoxysilane, azobisisobutyro After charging 1 part of nitrile and raising the temperature to 80 ° C. and completing the polymerization in 5 hours, 20 parts of FM-4421 (product name: manufactured by Chisso Corporation: polydimethylsiloxane having both terminal hydroxyl groups: molecular weight 5000) are mixed. Thus, a resin liquid having a solid content of 33.3% was obtained. This was designated as resin liquid f.
[0022]
[Comparative Example 2]
Resin having a solid content of 33.3% by the same formulation and operation as in Comparative Example 1 except that FM-4421 of Comparative Example 1 was changed to SF8411 (trade name of Toray Silicone Co., Ltd .: side chain ether type epoxy-modified polydimethylsiloxane). A liquid was obtained. This was designated as resin liquid g.
[0023]
The resin liquids c, d, a, b, e produced in Examples 2 and 3 and Reference Examples 2, 3, and 4 and the resin liquids f and g produced in Comparative Examples 1 and 2 were each solid with isopropyl alcohol. The coating liquid was prepared by diluting to 20% and adding 2% of acetylacetone aluminum as the curing catalyst C to the solid content.
This coating solution was applied onto a PET film with a Mayer bar # 3, dried at 60 ° C. for 8 hours, and then evaluated for physical properties. The results are shown in Table 1.
[0024]
[Table 1]
Evaluation method Adhesion: Cross-cut cellotape peeling test Dynamic friction coefficient: HEIDON type friction tester Contact angle: Kyowa Interface Chemical contact meter Surface tackiness: ○ None
× Yes Film transparency: Visual judgment
○ Clear
X Cloudiness Gel fraction: Films of various samples were extracted in 30 minutes by applying ultrasonic waves in toluene, and calculated from the weight difference before and after that.
Peeling force: Measured at a speed of 300 mm / min at 90 ° peel with a cloth tape 25 mm wide by an autograph manufactured by Shimadzu Corporation.
Weather resistance test: After 1000 hours of weatherometer, the contact angle and peel force were measured in the same manner.
[0025]
According to Table 1, in Examples 2 and 3 obtained by curing the block copolymer of the present invention, the orientation of silicone is effective as shown by evaluation of adhesion, lubricity (dynamic friction coefficient), and contact angle. The film appearance is not a problem. However, in Comparative Examples 1 and 2, the effect of silicone is seen to be constant, but the surface tackiness and the decrease in transparency of the film, etc., seen when a large amount of silicone is added on the film appearance, are observed, and the effect is sustained. It is not enough in terms of sex.
[0026]
【The invention's effect】
Accordingly, in the present invention, a polydimethylsiloxane block copolymer (A) is added with a hydrolyzate obtained by hydrolyzing a silane coupling agent or a hydrolyzable group of the polymer as a crosslinking agent (B). The composition that cures in this way has a sufficient water repellency, lubricity, and heat resistance function, as well as weather resistance and solvent resistance. Curable composition excellent in heat resistance, surface tackiness, transparency of film, durability of water repellency and lubricity, and plastic useful as a base material for magnetic tape or thermal transfer ink ribbon coated with the curable composition A film is obtained.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
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| JP33752396A JP3787012B2 (en) | 1995-11-30 | 1996-12-02 | Curable composition and plastic film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7-337759 | 1995-11-30 | ||
| JP33775995 | 1995-11-30 | ||
| JP33752396A JP3787012B2 (en) | 1995-11-30 | 1996-12-02 | Curable composition and plastic film |
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| CN104212180A (en) * | 2014-09-19 | 2014-12-17 | 大连海事大学 | A kind of magnetic polydimethylsiloxane and its preparation method |
| JP2021165320A (en) * | 2018-06-15 | 2021-10-14 | 関西ペイント株式会社 | Silicone-containing block copolymer |
| EP4212256A4 (en) * | 2020-09-11 | 2024-02-28 | Mitsubishi Chemical Corporation | RESIN COMPOSITION, HARDENED PRODUCT AND PRODUCTION METHOD THEREFOR AND LAMINATE |
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