JP2007161908A - 光重合性粘着剤組成物及びこれを使用した粘着シート - Google Patents
光重合性粘着剤組成物及びこれを使用した粘着シート Download PDFInfo
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- JP2007161908A JP2007161908A JP2005361163A JP2005361163A JP2007161908A JP 2007161908 A JP2007161908 A JP 2007161908A JP 2005361163 A JP2005361163 A JP 2005361163A JP 2005361163 A JP2005361163 A JP 2005361163A JP 2007161908 A JP2007161908 A JP 2007161908A
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- Prior art keywords
- meth
- acrylic
- monomer
- acrylate
- mass
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- 239000000203 mixture Substances 0.000 title claims abstract description 35
- 239000000853 adhesive Substances 0.000 title claims abstract description 26
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 26
- 239000000178 monomer Substances 0.000 claims abstract description 98
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000006188 syrup Substances 0.000 claims abstract description 47
- 235000020357 syrup Nutrition 0.000 claims abstract description 47
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 20
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 15
- 239000003999 initiator Substances 0.000 claims abstract description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 90
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 54
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 13
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 125000000524 functional group Chemical group 0.000 claims description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- 125000002947 alkylene group Chemical group 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 3
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- 229920000642 polymer Polymers 0.000 description 16
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- 238000000576 coating method Methods 0.000 description 13
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- 230000000379 polymerizing effect Effects 0.000 description 11
- 229920002554 vinyl polymer Polymers 0.000 description 11
- 150000002513 isocyanates Chemical class 0.000 description 10
- 239000004593 Epoxy Substances 0.000 description 9
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- 239000005020 polyethylene terephthalate Substances 0.000 description 7
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- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 6
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- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 4
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- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 4
- PFHOSZAOXCYAGJ-UHFFFAOYSA-N 2-[(2-cyano-4-methoxy-4-methylpentan-2-yl)diazenyl]-4-methoxy-2,4-dimethylpentanenitrile Chemical compound COC(C)(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)(C)OC PFHOSZAOXCYAGJ-UHFFFAOYSA-N 0.000 description 4
- 125000004200 2-methoxyethyl group Chemical group [H]C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 4
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 235000008411 Sumatra benzointree Nutrition 0.000 description 4
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 4
- 238000007259 addition reaction Methods 0.000 description 4
- 229960002130 benzoin Drugs 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 4
- ZQMIGQNCOMNODD-UHFFFAOYSA-N diacetyl peroxide Chemical compound CC(=O)OOC(C)=O ZQMIGQNCOMNODD-UHFFFAOYSA-N 0.000 description 4
- 125000003700 epoxy group Chemical group 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 235000019382 gum benzoic Nutrition 0.000 description 4
- 150000002432 hydroperoxides Chemical class 0.000 description 4
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 4
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 4
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 4
- 239000011976 maleic acid Substances 0.000 description 4
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 4
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- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 4
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 description 3
- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 description 3
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- 230000009257 reactivity Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
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- UFFVWIGGYXLXPC-UHFFFAOYSA-N 1-[2-(2,5-dioxopyrrol-1-yl)phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC=C1N1C(=O)C=CC1=O UFFVWIGGYXLXPC-UHFFFAOYSA-N 0.000 description 2
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- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 241000220317 Rosa Species 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- KYIKRXIYLAGAKQ-UHFFFAOYSA-N abcn Chemical compound C1CCCCC1(C#N)N=NC1(C#N)CCCCC1 KYIKRXIYLAGAKQ-UHFFFAOYSA-N 0.000 description 2
- 150000008062 acetophenones Chemical class 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 238000012644 addition polymerization Methods 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 125000005605 benzo group Chemical group 0.000 description 2
- CHIHQLCVLOXUJW-UHFFFAOYSA-N benzoic anhydride Chemical compound C=1C=CC=CC=1C(=O)OC(=O)C1=CC=CC=C1 CHIHQLCVLOXUJW-UHFFFAOYSA-N 0.000 description 2
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 2
- 239000012965 benzophenone Substances 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- HIFVAOIJYDXIJG-UHFFFAOYSA-N benzylbenzene;isocyanic acid Chemical class N=C=O.N=C=O.C=1C=CC=CC=1CC1=CC=CC=C1 HIFVAOIJYDXIJG-UHFFFAOYSA-N 0.000 description 2
- CJKWEXMFQPNNTL-UHFFFAOYSA-N bis(prop-2-enyl) 1,2,3,4,7,7-hexachlorobicyclo[2.2.1]hept-2-ene-5,6-dicarboxylate Chemical compound C=CCOC(=O)C1C(C(=O)OCC=C)C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl CJKWEXMFQPNNTL-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
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- YQHLDYVWEZKEOX-UHFFFAOYSA-N cumene hydroperoxide Chemical compound OOC(C)(C)C1=CC=CC=C1 YQHLDYVWEZKEOX-UHFFFAOYSA-N 0.000 description 2
- XJOBOFWTZOKMOH-UHFFFAOYSA-N decanoyl decaneperoxoate Chemical compound CCCCCCCCCC(=O)OOC(=O)CCCCCCCCC XJOBOFWTZOKMOH-UHFFFAOYSA-N 0.000 description 2
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 125000005442 diisocyanate group Chemical group 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
- 150000002596 lactones Chemical class 0.000 description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical group CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- ZQMHJBXHRFJKOT-UHFFFAOYSA-N methyl 2-[(1-methoxy-2-methyl-1-oxopropan-2-yl)diazenyl]-2-methylpropanoate Chemical compound COC(=O)C(C)(C)N=NC(C)(C)C(=O)OC ZQMHJBXHRFJKOT-UHFFFAOYSA-N 0.000 description 2
- JAYXSROKFZAHRQ-UHFFFAOYSA-N n,n-bis(oxiran-2-ylmethyl)aniline Chemical compound C1OC1CN(C=1C=CC=CC=1)CC1CO1 JAYXSROKFZAHRQ-UHFFFAOYSA-N 0.000 description 2
- SWSFFBPGDIHBJL-UHFFFAOYSA-N n-(2-methoxyethyl)-2-methylprop-2-enamide Chemical compound COCCNC(=O)C(C)=C SWSFFBPGDIHBJL-UHFFFAOYSA-N 0.000 description 2
- ADGJZVKOKVENDN-UHFFFAOYSA-N n-(butoxymethyl)-2-methylprop-2-enamide Chemical compound CCCCOCNC(=O)C(C)=C ADGJZVKOKVENDN-UHFFFAOYSA-N 0.000 description 2
- DNTMQTKDNSEIFO-UHFFFAOYSA-N n-(hydroxymethyl)-2-methylprop-2-enamide Chemical compound CC(=C)C(=O)NCO DNTMQTKDNSEIFO-UHFFFAOYSA-N 0.000 description 2
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- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- UBVMBXTYMSRUDX-UHFFFAOYSA-N n-prop-2-enyl-3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCNCC=C UBVMBXTYMSRUDX-UHFFFAOYSA-N 0.000 description 2
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 2
- AFEQENGXSMURHA-UHFFFAOYSA-N oxiran-2-ylmethanamine Chemical compound NCC1CO1 AFEQENGXSMURHA-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920005906 polyester polyol Polymers 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 2
- LFRDHGNFBLIJIY-UHFFFAOYSA-N trimethoxy(prop-2-enyl)silane Chemical compound CO[Si](OC)(OC)CC=C LFRDHGNFBLIJIY-UHFFFAOYSA-N 0.000 description 2
- GRPURDFRFHUDSP-UHFFFAOYSA-N tris(prop-2-enyl) benzene-1,2,4-tricarboxylate Chemical compound C=CCOC(=O)C1=CC=C(C(=O)OCC=C)C(C(=O)OCC=C)=C1 GRPURDFRFHUDSP-UHFFFAOYSA-N 0.000 description 2
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- 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
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 1
- HMEVYZZCEGUONQ-UHFFFAOYSA-N 2-ethenyl-5-methyl-4,5-dihydro-1,3-oxazole Chemical compound CC1CN=C(C=C)O1 HMEVYZZCEGUONQ-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- GWZMWHWAWHPNHN-UHFFFAOYSA-N 2-hydroxypropyl prop-2-enoate Chemical group CC(O)COC(=O)C=C GWZMWHWAWHPNHN-UHFFFAOYSA-N 0.000 description 1
- PDSHPFREJVIDNV-UHFFFAOYSA-N 2-methoxyethyl trimethyl silicate Chemical compound COCCO[Si](OC)(OC)OC PDSHPFREJVIDNV-UHFFFAOYSA-N 0.000 description 1
- LPIQIQPLUVLISR-UHFFFAOYSA-N 2-prop-1-en-2-yl-4,5-dihydro-1,3-oxazole Chemical compound CC(=C)C1=NCCO1 LPIQIQPLUVLISR-UHFFFAOYSA-N 0.000 description 1
- 239000004803 Di-2ethylhexylphthalate Substances 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000005250 alkyl acrylate group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- 239000003429 antifungal agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002585 base Substances 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
- 239000000470 constituent Substances 0.000 description 1
- 229920006037 cross link polymer Polymers 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
- 230000003247 decreasing effect Effects 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
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- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
【解決手段】(A)(メタ)アクリル系ポリマーと(メタ)アクリル系モノマーとを含有するアクリルシロップ100重量部(B)重合性不飽和基を2つ以上有するモノマー0.01〜1.0重量部(C)架橋剤0.01〜0.5重量部(D)光重合開始剤0.05〜0.5重量部、を含有することを特徴とする光重合性粘着剤組成物。
【選択図】なし
Description
(A)次の成分(a1)ないし(a3)より得られ、(メタ)アクリル系ポリマーと(
メタ)アクリル系モノマーとを含有するアクリルシロップ 100重量部
(a1)下記一般式(1)
、R3 は炭素数1〜10のアルキル基をそれぞれ示し、nは1〜10の整数
を示す)
で表されるモノマー 60〜97質量%
(a2)アルキル基の炭素数が1〜8である(メタ)アクリル酸アルキルエステル
0〜37質量%
(a3)カルボキシル基含有モノマー 3〜10質量%
(但し、原料(a1)〜(a3)の合計がアクリルシロップの90質量%以上)
(B)重合性不飽和基を2つ以上有するモノマー 0.01〜1.0重量部
(C)架橋剤 0.01〜0.5重量部
(D)光重合開始剤 0.05〜0.5重量部
を含有することを特徴とする光重合性粘着剤組成物である。
(A')次の成分(a1)、(a2')、及び(a3)より得られ、(メタ)アクリル系
ポリマーと(メタ)アクリル系モノマーとを含有するアクリルシロップ
100重量部
(a1)下記一般式(1)
、R3は炭素数1〜10のアルキル基をそれぞれ示し、nは1〜10の整数を
示す)
で表されるモノマー 20〜97質量%
(a2')(メタ)アクリル酸ラウリル 0〜77質量%
(a3)カルボキシル基含有モノマー 3〜10質量%
(但し、原料(a1)、(a2')、及び(a3)の合計がアクリルシロップの
90質量%以上)
(B)重合性官能基を2つ以上有するモノマー 0.01〜1.0重量部
(C)架橋剤 0.01〜0.5重量部
(D)光重合開始剤 0.05〜0.5重量部
を含有することを特徴とする光重合性粘着剤組成物である。
攪拌機、温度計、窒素ガス導入管及び冷却管を備えた容量2リットルの四つ口フラスコに、アクリル酸2−エチルへキシル(以下、「2−EHA」と略記する)31g、アクリル酸2−メトキシエチル(以下、「2−MEA」と略記する)65g、アクリル酸(以下、「AA」と略記する)4g、及び連鎖移動剤としてn−ドデシルメルカプタン(以下、「NDM」と略記する)0.1gを投入し、フラスコ内の空気を窒素に置換しながら50℃まで加熱した。
2−EHAをアクリル酸ラウリル(以下、「LA」と略記する)に代えた以外は製造例1と同様にしてアクリルシロップA−2を得た。
2−EHAの合計の投入量を44.95gから39.15gに代え、さらに、2−MEAをエトキシジエチレングリコール(メタ)アクリレート(以下、「EEGA」と略記する)に代え、その合計の投入量も、94.25gから100.05gに代えた以外は製造例1と同様にして、アクリルシロップA−3を得た。
2−EHAをLAに代え、その合計の投入量を44.95gから39.15gに代え、さらに、2−MEAをEEGAに代え、その合計の投入量も、94.25gから100.05gに代えた以外は製造例1と同様にして、アクリルシロップA−4を得た。
2−MEAの合計の投入量を94.25gから58gに代え、2−EHAの合計の投入量を44.95gから81.2gに代えた以外は製造例1と同様にして、アクリルシロップB−1を得た。
2−EHAの合計の投入量を44.95gから47.85gに代え、AAの合計の投入量を5.8gから2.9gに代えた以外は製造例1と同様にして、アクリルシロップB−2を得た。
2−MEAの合計の投入量を94.25gから21.75gに代え、2−EHAをLAに代え、その合計の投入量も44.95gから117.45gに代えた以外は製造例1と同様にして、アクリルシロップB−3を得た。
2−EHAをLAに代え、その合計の投入量も44.95gから47.85gに代え、AAの合計の投入量を5.8gから2.9gに代えた以外は製造例1と同様にして、アクリルシロップB−4を得た。
製造例1〜4で得られたA1〜A4の各アクリルシロップ100gに対し、表2に示す配合量の、トリメチロールプロパントリアクリレート(成分(B)/ライトアクリレートTMP−A;共栄化学社製、以下「TMP−A」とする)、N',N',N',N'−テトラグリシジル−m−キシレンジアミン(成分(C)/TETRAD−X;三菱瓦斯化学社製、以下「TETRAD−X」という)、2−ヒドロキシ−2−メチル−I−フェニル−プロパン−1−オン(成分(D)/イルガキュア1173;チバカイギー社製、以下「I−1173」とする)及び可塑剤としてセバシン酸ジブチルを添加し、混合・脱泡処理して光重合性の粘着剤組成物を得た。
<粘着力>
得られた粘着シートの一方のPET製剥離フィルムを除去し、暑さ100μmのPETフィルムを貼り付けて片面粘着シートを作成した。次にこの片面粘着シートを幅25mm、長さ150mmに裁断し、もう一方のPET製剥離フィルムを除去して、厚さ2mmのガラス板に2kgの圧着ローラーで1往復して圧着させ、23℃/65%の雰囲気に24時間静置させた後、同一雰囲気にて剥離強度90℃、剥離速度200m/minで対ガラス粘着力を測定した。また、被着体汚染について、粘着シートの剥離した後のガラス面の汚れの有無を観察し、剥離した後のガラス面の汚染がないものを○、糊のこりなどで汚染したものを×とした。
粘着力測定と同様の方法で片面粘着シートを形成し、このシートを50mm×50mmに裁断した。この裁断された試料のPET製剥離フィルムを除去し、厚さ2mmのガラス板に貼り付けて、ガラス板/800μm粘着剤層/100μmPETフィルムで構成された積層体を作成した。この積層体を60℃/95%Rhの条件下に24時間静置させた後、室温に戻して10分後の外観を目視にて観察し、白濁が発生しているかどうか確認した。
JIS K 5400 塗料一般試験方法に準拠し、落球式耐衝撃性試験を行った。上記耐湿熱白濁性試験と同一のものを使用し、積層体のガラス板が割れなかったものを○、割れが生じたものを×とした。
鋼球:サイズ1−5/8 質量290g SUS製
落下高さ:40cm
製造例1〜2及び製造比較例1〜4で得られたA−1〜A−2及びB−1〜B−4の各アクリルシロップ100g対し、表3に示す配合量のTMP−1(成分(B))、TETRAD−X(成分(C))、I−1173(成分(D))、及び可塑剤としてセバシン酸ジブチルを添加し、実施例1と同様にして、アクリルシートを得た(比較品1〜8)。このアクリルシートについて実施例1と同様の評価方法及び基準によって評価した。結果を表3に示す。
以 上
Claims (5)
- 次の成分(A)ないし(D)
(A)次の成分(a1)ないし(a3)より得られ、(メタ)アクリル系ポリマーと(
メタ)アクリル系モノマーとを含有するアクリルシロップ 100重量部
(a1)下記一般式(1)
(式中、R1は水素原子又はメチル基を、R2は炭素数2又は3のアルキレン基を
、R3 は炭素数1〜10のアルキル基をそれぞれ示し、nは1〜10の整数
を示す)
で表されるモノマー 60〜97質量%
(a2)アルキル基の炭素数が1〜8である(メタ)アクリル酸アルキルエステル
0〜37質量%
(a3)カルボキシル基含有モノマー 3〜10質量%
(但し、原料(a1)〜(a3)の合計がアクリルシロップの90質量%以上)
(B)重合性不飽和基を2つ以上有するモノマー 0.01〜1.0重量部
(C)架橋剤 0.01〜0.5重量部
(D)光重合開始剤 0.05〜0.5重量部
を含有することを特徴とする光重合性粘着剤組成物。 - 次の成分(A')、(B)、(C)及び(D)
(A')次の成分(a1)、(a2')、及び(a3)より得られ、(メタ)アクリル系
ポリマーと(メタ)アクリル系モノマーとを含有するアクリルシロップ
100重量部
(a1)下記一般式(1)
(式中、R1は水素原子又はメチル基を、R2は炭素数2又は3のアルキレン基を
、R3は炭素数1〜10のアルキル基をそれぞれ示し、nは1〜10の整数を
示す)
で表されるモノマー 20〜97質量%
(a2')(メタ)アクリル酸ラウリル 0〜77質量%
(a3)カルボキシル基含有モノマー 3〜10質量%
(但し、原料(a1)、(a2')、及び(a3)の合計がアクリルシロップの
90質量%以上)
(B)重合性官能基を2つ以上有するモノマー 0.01〜1.0重量部
(C)架橋剤 0.01〜0.5重量部
(D)光重合開始剤 0.05〜0.5重量部
を含有することを特徴とする光重合性粘着剤組成物。 - 請求項第1項又は第2項記載の粘着剤組成物を光照射することによって得られる、厚さが0.1〜5mmの範囲の粘着シート。
- 剥離角度90度及び剥離速度200mm/minにおける対ガラス粘着力が10N/25mm以下である請求項第3項記載の粘着シート。
- プラズマディスプレイの前面フィルター用のものである請求項第3項又は第4項記載の粘着シート。
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| JP2017119777A (ja) * | 2015-12-28 | 2017-07-06 | 日立マクセル株式会社 | 両面粘着テープ |
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