JP2016535324A - 光学フィルム - Google Patents
光学フィルム Download PDFInfo
- Publication number
- JP2016535324A JP2016535324A JP2016546729A JP2016546729A JP2016535324A JP 2016535324 A JP2016535324 A JP 2016535324A JP 2016546729 A JP2016546729 A JP 2016546729A JP 2016546729 A JP2016546729 A JP 2016546729A JP 2016535324 A JP2016535324 A JP 2016535324A
- Authority
- JP
- Japan
- Prior art keywords
- group
- block
- optical film
- sensitive adhesive
- pressure
- 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.)
- Granted
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- 239000012788 optical film Substances 0.000 title claims abstract description 38
- 239000000203 mixture Substances 0.000 claims abstract description 65
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 32
- 229920000642 polymer Polymers 0.000 claims abstract description 32
- 230000001070 adhesive effect Effects 0.000 claims abstract description 28
- 239000000853 adhesive Substances 0.000 claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 19
- 239000000178 monomer Substances 0.000 claims description 90
- -1 alkyl methacrylate Chemical compound 0.000 claims description 59
- 229920001400 block copolymer Polymers 0.000 claims description 55
- 125000000524 functional group Chemical group 0.000 claims description 41
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 40
- 230000009477 glass transition Effects 0.000 claims description 36
- 230000003287 optical effect Effects 0.000 claims description 33
- 238000006116 polymerization reaction Methods 0.000 claims description 27
- 239000003431 cross linking reagent Substances 0.000 claims description 22
- 125000003342 alkenyl group Chemical group 0.000 claims description 20
- 125000001188 haloalkyl group Chemical group 0.000 claims description 19
- 239000012790 adhesive layer Substances 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 13
- 125000000217 alkyl group Chemical group 0.000 claims description 12
- 125000002947 alkylene group Chemical group 0.000 claims description 10
- 125000005250 alkyl acrylate group Chemical group 0.000 claims description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 238000004132 cross linking Methods 0.000 abstract description 24
- 230000001747 exhibiting effect Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 35
- 125000004432 carbon atom Chemical group C* 0.000 description 28
- 238000006243 chemical reaction Methods 0.000 description 25
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 24
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 21
- 150000001875 compounds Chemical class 0.000 description 19
- 239000000047 product Substances 0.000 description 18
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical group CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 17
- 238000000034 method Methods 0.000 description 17
- 229920005989 resin Polymers 0.000 description 16
- 239000011347 resin Substances 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 238000000576 coating method Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 238000010560 atom transfer radical polymerization reaction Methods 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 12
- 239000003054 catalyst Substances 0.000 description 11
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 11
- 239000004372 Polyvinyl alcohol Substances 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- NDWUBGAGUCISDV-UHFFFAOYSA-N 4-hydroxybutyl prop-2-enoate Chemical compound OCCCCOC(=O)C=C NDWUBGAGUCISDV-UHFFFAOYSA-N 0.000 description 9
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 230000000704 physical effect Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 150000002430 hydrocarbons Chemical group 0.000 description 7
- 230000000977 initiatory effect Effects 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 6
- 239000006087 Silane Coupling Agent Substances 0.000 description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 4
- 229910021589 Copper(I) bromide Inorganic materials 0.000 description 4
- 101100425892 Danio rerio tpma gene Proteins 0.000 description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 101150048952 TPM-1 gene Proteins 0.000 description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 4
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 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 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 description 3
- 150000001345 alkine derivatives Chemical class 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 3
- 238000003776 cleavage reaction Methods 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 239000012948 isocyanate Substances 0.000 description 3
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 3
- 150000002513 isocyanates Chemical class 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 238000010526 radical polymerization reaction Methods 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002284 Cellulose triacetate Polymers 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000010382 chemical cross-linking Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 208000012839 conversion disease Diseases 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000001338 self-assembly Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 150000003505 terpenes Chemical class 0.000 description 2
- 235000007586 terpenes Nutrition 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- DTGKSKDOIYIVQL-WEDXCCLWSA-N (+)-borneol Chemical group C1C[C@@]2(C)[C@@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-WEDXCCLWSA-N 0.000 description 1
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 description 1
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 1
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 description 1
- JWTGRKUQJXIWCV-UHFFFAOYSA-N 1,2,3-trihydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(O)C(O)CO JWTGRKUQJXIWCV-UHFFFAOYSA-N 0.000 description 1
- ZXHZWRZAWJVPIC-UHFFFAOYSA-N 1,2-diisocyanatonaphthalene Chemical compound C1=CC=CC2=C(N=C=O)C(N=C=O)=CC=C21 ZXHZWRZAWJVPIC-UHFFFAOYSA-N 0.000 description 1
- JWYVGKFDLWWQJX-UHFFFAOYSA-N 1-ethenylazepan-2-one Chemical compound C=CN1CCCCCC1=O JWYVGKFDLWWQJX-UHFFFAOYSA-N 0.000 description 1
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 description 1
- XXSPGBOGLXKMDU-UHFFFAOYSA-M 2-bromo-2-methylpropanoate Chemical compound CC(C)(Br)C([O-])=O XXSPGBOGLXKMDU-UHFFFAOYSA-M 0.000 description 1
- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 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
- 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 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- SXIFAEWFOJETOA-UHFFFAOYSA-N 4-hydroxy-butyl Chemical group [CH2]CCCO SXIFAEWFOJETOA-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 239000013032 Hydrocarbon resin Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- IIGAAOXXRKTFAM-UHFFFAOYSA-N N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C Chemical compound N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C IIGAAOXXRKTFAM-UHFFFAOYSA-N 0.000 description 1
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
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- 150000001241 acetals Chemical class 0.000 description 1
- 125000002339 acetoacetyl group Chemical group O=C([*])C([H])([H])C(=O)C([H])([H])[H] 0.000 description 1
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- 125000005370 alkoxysilyl group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
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- 238000004364 calculation method Methods 0.000 description 1
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- 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 description 1
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- IOLQWGVDEFWYNP-UHFFFAOYSA-N ethyl 2-bromo-2-methylpropanoate Chemical compound CCOC(=O)C(C)(C)Br IOLQWGVDEFWYNP-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
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- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
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- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- IUTCEZPPWBHGIX-UHFFFAOYSA-N tin(2+) Chemical compound [Sn+2] IUTCEZPPWBHGIX-UHFFFAOYSA-N 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
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- G02B5/00—Optical elements other than lenses
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- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
- G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
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- C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
- C08F293/005—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule using free radical "living" or "controlled" polymerisation, e.g. using a complexing agent
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- 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
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
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- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09J133/00—Adhesives based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
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- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
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Abstract
Description
ゲル含量(%)=B/A×100
数平均分子量(Mn)及び分子量分布(PDI)は、GPCを使用して以下の条件で測定し、検量線の製作には、Agilent systemの標準ポリスチレンを使用して測定結果を換算した。
<測定条件>
測定器:Agilent GPC(Agilent 1200 series、U.S.)
カラム:PL Mixed B 2個連結
カラム温度:40℃
溶離液:THF(Tetrahydrofuran)
流速:1.0mL/min
濃度:〜1mg/mL(100μl injection)
<分子量変化率評価>
分子量変化率(%)=100×(B−A)/A
実施例または比較例で製造された粘着剤層を10日間恒温恒湿室(23℃、60%相対湿度)に維持した後、0.3gを採取し、#200ステンレス鉄網に入れ、100mLのエチルアセテートに採取された粘着剤層が完全に浸されるように入れた後、常温の暗室で3日間保管した。その後、エチルアセテートに溶解されない部分(不溶解分)を採取し、これを70℃で4時間乾燥し、質量(不溶解分の乾燥質量)を測定した。
[ゲル含量測定数式]
ゲル含量=B/A×100
A:粘着剤の質量(0.3g)
B:不溶解分の乾燥質量(単位:g)
ガラス転移温度(Tg)は、各ブロックの単量体の組成によって下記数式によって算出した。
1/Tg=SWn/Tn
実施例または比較例で製造された粘着型偏光板を横の長さが320cmであり、縦の長さが180cmとなるようにカットし、試験片を製造する。製造された試験片を粘着剤層を媒介で厚さが約0.7mm程度の市販LCDパネルに付着し、試験片が付着したパネルを50℃及び5気圧で約20分間保管し、サンプルを製造する。製造されたサンプルを90℃で300時間維持した後、粘着剤層の粘着界面での気泡または剥離現状の発生有無を観察し、下記基準によって耐久性を評価する。
<耐久性評価基準>
A:気泡及び剥離現状の発生が観察されない場合
B:気泡及び/または剥離現象が若干観察される場合
C:気泡及び/または剥離現象が多量観察される場合
MMA(Methyl methacrylate)200g、エチルアセテート200g及びエチル2−ブロモイソブチレート1.95gをフラスコに入れ、フラスコをシーリングした後に、約40分間窒素バブリングして酸素を除去した。酸素除去後にフラスコを65℃に加熱されたオイルバスに入れ、別に準備した10mLバイアルに0.045gのCuBr2と0.116gのTPMA(tris(2−pyridylmethyl)amine)を3mLのDMF(N、N−dimethylformamide)にとかした後、窒素バブリングを通じて酸素を除去したATRP触媒溶液を前記フラスコに投入した。引き続いて、触媒還元剤としてSn(EH)2(tin(II)octoate)1.62gを投入して反応を開始させた。約7時間程度加熱した後、フラスコを開いて酸素に露出して反応を終了させて、モノマー転換率が68%であり、分子量(Mn)が約16,000であり、分子量分布(Mw/Mn)が1.24のマクロ開始剤(MI、macroinitiator)を製造した。メタノール沈澱工程を通じて精製した前記マクロ開始剤10gにn−BA(n−butyl acrylate)100g、4−HBA(4−hydroxybutyl acrylate)3g及びエチルアセテート113gを配合してフラスコに投入し、約30分間窒素にバブリングして酸素を除去した。窒素雰囲気の下で反応温度を約65℃に維持した状態でCuBr2 0.018g、TPMA 0.048g及びDMF 1.3mLを混合した触媒溶液を投入し、Sn(EH)20.067gを投入して反応を開始させた。反応転換率が約65%に到逹した時点であらかじめ酸素を除去しておいた分岐形成単量体であるアクリロイルオキシブチルアルファブロモイソブチレート約6.3gを投入し、15時間程度反応させた後に反応を終了させて、単量体転換率が85%であり、分子量(Mn)が18,000であり、分子量分布(Mw/Mn)が6.65であるブロック共重合体溶液を製造した。前記で単量体の転換率は、GC(Gas Chromatography)を使用して公知の方式で測定した。前記ブロック共重合体は、第1ブロックとしてガラス転移温度がMMAの重合単位のみを含み、ガラス転移温度が約110℃のブロックと第2ブロックとしてn−BA及び4−HBAの重合単位を主成分として含みながら、アクリロイルオキシブチルアルファブロモイソブチレートを基点として形成される分岐構造を有し、ガラス転移温度が約−45℃程度であるブロックを含む。また、前記で第1ブロックと第2ブロックの重量比率は、10:90程度である。
製造例1で製造したマクロ開始剤10gにn−BA(n−butyl acrylate)100g、4−HBA(4−hydroxybutyl acrylate)3g及びエチルアセテート113gを配合してフラスコに投入し、約30分間窒素にバブリングして酸素を除去した。窒素雰囲気の下で反応温度を約65℃に維持した状態でCuBr2 0.018g、TPMA 0.048g及びDMF 1.3mLを混合した触媒溶液を投入し、Sn(EH)20.067gを投入して反応を開始させた。反応転換率が65%に到逹した時点であらかじめ酸素を除去しておいた分岐形成単量体であるジビニルベンゼン0.94gを投入し、15時間程度反応させた後に反応を終了させて、単量体転換率が76%であり、分子量(Mn)が103,000であり、分子量分布(Mw/Mn)が3.29であるブロック共重合体溶液を製造した。前記ブロック共重合体は、第1ブロックとしてガラス転移温度がMMAの重合単位のみを含み、ガラス転移温度が約110℃のブロックと第2ブロックとしてn−BA及び4−HBAの重合単位を主成分として含みなが、ジビニルベンゼンの重合単位を基点として形成される分岐構造を有し、ガラス転移温度が約−45℃程度のブロックを含む。また、前記で第1ブロックと第2ブロックの重量比率は、11:89程度である。
製造例1で製造したマクロ開始剤10gにn−BA(n−butyl acrylate)100g、4−HBA(4−hydroxybutyl acrylate)3g及びエチルアセテート113gを配合してフラスコに投入し、約30分間窒素でバブリングして酸素を除去した。窒素雰囲気の下で反応温度を約65℃に維持した状態でCuBr2 0.018g、TPMA 0.048g及びDMF 1.3mLを混合した触媒溶液を投入し、Sn(EH)20.067gを投入して反応を開始させた。15時間程度反応させた後に反応を終了させて、単量体転換率が89%であり、分子量(Mn)が110,000であり、分子量分布(Mw/Mn)が1.43であるブロック共重合体溶液を製造した。前記ブロック共重合体は、第1ブロックとしてガラス転移温度がMMAの重合単位のみを含み、ガラス転移温度が約110℃のブロックと第2ブロックとしてn−BA及び4−HBAの重合単位を主成分として含みながら、分岐構造は含まず、ガラス転移温度が約−45℃程度のブロックを含む。また、前記で第1ブロックと第2ブロックの重量比率は、10:90程度である。
製造例1で製造したブロック共重合体(A)100重量部に架橋剤(TDI、toluene diisocyanate)約0.3重量部と公知の架橋触媒 約0.015重量部を配合して架橋性組成物を製造した。引き続いて、前記組成物を離型処理されたPET(poly(ethylene terephthalate))フィルムに約25μm程度の厚さでコーティングし、120℃で約3分間乾燥させた。引き続いて、形成された乾燥層を公知の偏光板の一面に転写し、粘着型偏光板を製造した。
製造例2で製造したブロック共重合体(B)100重量部に架橋剤(TDI、toluene diisocyanate)約0.3重量部と公知の架橋触媒 約0.015重量部を配合して架橋性組成物を製造したことを除いて、実施例1と同様の方式で粘着型偏光板を製造した。
製造例2で製造したブロック共重合体(B)100重量部に架橋剤(TDI、toluene diisocyanate)約0.15重量部と公知の架橋触媒 約0.0075重量部を配合して架橋性組成物を製造したことを除いて、実施例1と同様の方式で粘着型偏光板を製造した。
製造例3で製造したブロック共重合体(C)100重量部に架橋剤(TDI、toluene diisocyanate)約0.3重量部と公知の架橋触媒 約0.015重量部を配合して架橋性組成物を製造したことを除いて、実施例1と同様の方式で粘着型偏光板を製造した。
製造例3で製造したブロック共重合体(C)100重量部に架橋剤(TDI、toluene diisocyanate)約0.15重量部と公知の架橋触媒 約0.0075重量部を配合して架橋性組成物を製造したことを除いて、実施例1と同様の方式で粘着型偏光板を製造した。
前記実施例及び比較例の架橋性組成物などについて物性を評価した結果を下記表1に整理して記載した。
Claims (20)
- 光学部材と;前記光学部材の少なくとも一面に形成されている粘着剤層とを含み、前記粘着剤層は、第1ブロックと前記第1ブロックに比べて低いガラス転移温度を有する第2ブロックを含み、前記第1ブロックまたは第2ブロックに分岐構造が形成されているブロック共重合体を含む架橋性組成物の架橋物を含む粘着型光学フィルム。
- 粘着剤層内でブロック共重合体は、スピア構造、シリンダー構造、ザイロイド構造及びラメラ構造よりなる群から選択された1つ以上の構造を具現している、請求項1に記載の粘着型光学フィルム。
- 第1ブロックのガラス転移温度が30℃〜200℃の範囲内にある、請求項1に記載の粘着型光学フィルム。
- 第2ブロックのガラス転移温度が−80℃〜0℃の範囲内にある、請求項1に記載の粘着型光学フィルム。
- ブロック共重合体は、第1ブロック 5〜25重量部及び第2ブロック 75〜95重量部を含む、請求項1に記載の粘着型光学フィルム。
- 第1ブロックは、アルキルメタクリレートの重合単位を主成分として含む、請求項1に記載の粘着型光学フィルム。
- 第2ブロックは、アルキルアクリレートの重合単位を主成分として含む、請求項1に記載の粘着型光学フィルム。
- 分岐構造が形成されているブロックは、(メタ)アクリル酸エステル単量体の重合単位及び分岐形成単量体の重合単位を含む、請求項1に記載の粘着型光学フィルム。
- 分岐形成単量体は、下記化学式2〜5のうちいずれか1つで表示される、請求項8に記載の粘着型光学フィルム:
- 分岐構造が形成されているブロックは、前記ブロックに含まれる単量体の全体モル数を基準として分岐形成単量体を0.01モル%〜10モル%の比率で含む、請求項8に記載の粘着型光学フィルム。
- 第2ブロックに分岐構造が形成されている、請求項1に記載の粘着型光学フィルム。
- 第2ブロックは、架橋性官能基を含む、請求項1に記載の粘着型光学フィルム。
- 第2ブロックは、アクリル酸アルキルエステル重合単位、分岐形成単量体重合単位及び架橋性官能基を有する共重合性単量体の重合単位を含む、請求項1に記載の粘着型光学フィルム。
- 第2ブロックに含まれる単量体の全体モル数に対して架橋性官能基を有する共重合性単量体のモル数の比率が0.3モル%〜20モル%である、請求項14に記載の粘着型光学フィルム。
- 架橋性組成物は、架橋剤をさらに含む、請求項1に記載の粘着型光学フィルム。
- 光学部材が偏光子である、請求項1に記載の粘着型光学フィルム。
- 第1ブロックと前記第1ブロックに比べて低いガラス転移温度を有する第2ブロックを含み、前記第1ブロックまたは第2ブロックに分岐構造が形成されているブロック共重合体を含む架橋性組成物。
- 請求項1に記載の光学フィルムを含むディスプレイ装置。
- ディスプレイパネルを含み、粘着型光学フィルムが粘着剤層を媒介で前記ディスプレイパネルに付着している、請求項19に記載のディスプレイ装置。
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