KR20090072861A - 아크릴계 점착제 조성물, 이를 포함하는 편광판 및액정표시장치 - Google Patents
아크릴계 점착제 조성물, 이를 포함하는 편광판 및액정표시장치 Download PDFInfo
- Publication number
- KR20090072861A KR20090072861A KR1020070141101A KR20070141101A KR20090072861A KR 20090072861 A KR20090072861 A KR 20090072861A KR 1020070141101 A KR1020070141101 A KR 1020070141101A KR 20070141101 A KR20070141101 A KR 20070141101A KR 20090072861 A KR20090072861 A KR 20090072861A
- Authority
- KR
- South Korea
- Prior art keywords
- molecular weight
- sensitive adhesive
- meth
- adhesive composition
- acrylic copolymer
- 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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- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 86
- 239000000203 mixture Substances 0.000 title claims abstract description 55
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 28
- 229920006243 acrylic copolymer Polymers 0.000 claims abstract description 87
- -1 peroxide compound Chemical class 0.000 claims abstract description 76
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 33
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000000178 monomer Substances 0.000 claims description 28
- 239000010410 layer Substances 0.000 claims description 18
- 239000003431 cross linking reagent Substances 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 239000012948 isocyanate Substances 0.000 claims description 10
- 125000000524 functional group Chemical group 0.000 claims description 9
- 150000002513 isocyanates Chemical class 0.000 claims description 9
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 210000002858 crystal cell Anatomy 0.000 claims description 6
- 229950010765 pivalate Drugs 0.000 claims description 6
- 239000003522 acrylic cement Substances 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 3
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 claims description 2
- 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 claims description 2
- LGJCFVYMIJLQJO-UHFFFAOYSA-N 1-dodecylperoxydodecane Chemical compound CCCCCCCCCCCCOOCCCCCCCCCCCC LGJCFVYMIJLQJO-UHFFFAOYSA-N 0.000 claims description 2
- JWYVGKFDLWWQJX-UHFFFAOYSA-N 1-ethenylazepan-2-one Chemical compound C=CN1CCCCCC1=O JWYVGKFDLWWQJX-UHFFFAOYSA-N 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 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 claims description 2
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 claims description 2
- RPBWMJBZQXCSFW-UHFFFAOYSA-N 2-methylpropanoyl 2-methylpropaneperoxoate Chemical compound CC(C)C(=O)OOC(=O)C(C)C RPBWMJBZQXCSFW-UHFFFAOYSA-N 0.000 claims description 2
- 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 claims description 2
- SXIFAEWFOJETOA-UHFFFAOYSA-N 4-hydroxy-butyl Chemical group [CH2]CCCO SXIFAEWFOJETOA-UHFFFAOYSA-N 0.000 claims description 2
- FVAIEHAPKZFAGH-UHFFFAOYSA-N 6,6-dimethylheptanoyl 6,6-dimethylheptaneperoxoate Chemical compound CC(CCCCC(=O)OOC(CCCCC(C)(C)C)=O)(C)C FVAIEHAPKZFAGH-UHFFFAOYSA-N 0.000 claims description 2
- QYWXTTIIXLJYQU-UHFFFAOYSA-N COC(C)(CCOC(=O)OOOOC(=O)OCCC(C)(OC)OC)OC Chemical compound COC(C)(CCOC(=O)OOOOC(=O)OCCC(C)(OC)OC)OC QYWXTTIIXLJYQU-UHFFFAOYSA-N 0.000 claims description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 2
- 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 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 2
- 102000001708 Protein Isoforms Human genes 0.000 claims description 2
- 108010029485 Protein Isoforms Proteins 0.000 claims description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 2
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 claims description 2
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000005442 diisocyanate group Chemical group 0.000 claims description 2
- 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 2
- VIBDJEWPNNCFQO-UHFFFAOYSA-N ethane-1,1,2-triol Chemical compound OCC(O)O VIBDJEWPNNCFQO-UHFFFAOYSA-N 0.000 claims description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 2
- 125000001421 myristyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 claims description 2
- 229920005862 polyol Polymers 0.000 claims description 2
- 150000003077 polyols Chemical class 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- BWJUFXUULUEGMA-UHFFFAOYSA-N propan-2-yl propan-2-yloxycarbonyloxy carbonate Chemical compound CC(C)OC(=O)OOC(=O)OC(C)C BWJUFXUULUEGMA-UHFFFAOYSA-N 0.000 claims description 2
- YPVDWEHVCUBACK-UHFFFAOYSA-N propoxycarbonyloxy propyl carbonate Chemical compound CCCOC(=O)OOC(=O)OCCC YPVDWEHVCUBACK-UHFFFAOYSA-N 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims 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 claims description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- 229940117913 acrylamide Drugs 0.000 claims 3
- DDMBAIHCDCYZAG-UHFFFAOYSA-N butyl 7,7-dimethyloctaneperoxoate Chemical compound CCCCOOC(=O)CCCCCC(C)(C)C DDMBAIHCDCYZAG-UHFFFAOYSA-N 0.000 claims 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
- CZMAXQOXGAWNDO-UHFFFAOYSA-N propane-1,1,2-triol Chemical compound CC(O)C(O)O CZMAXQOXGAWNDO-UHFFFAOYSA-N 0.000 claims 1
- 239000000376 reactant Substances 0.000 claims 1
- 238000004132 cross linking Methods 0.000 abstract description 18
- 150000002978 peroxides Chemical class 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 description 16
- 230000001070 adhesive effect Effects 0.000 description 16
- 230000035882 stress Effects 0.000 description 16
- 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 12
- 239000012790 adhesive layer Substances 0.000 description 11
- 229940093499 ethyl acetate Drugs 0.000 description 9
- 235000019439 ethyl acetate Nutrition 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 229920002284 Cellulose triacetate Polymers 0.000 description 7
- 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 7
- 238000003860 storage Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
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- 239000011521 glass Substances 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
- 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
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 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
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 3
- 239000003999 initiator Substances 0.000 description 3
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- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 description 1
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- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
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- FHKPLLOSJHHKNU-INIZCTEOSA-N [(3S)-3-[8-(1-ethyl-5-methylpyrazol-4-yl)-9-methylpurin-6-yl]oxypyrrolidin-1-yl]-(oxan-4-yl)methanone Chemical compound C(C)N1N=CC(=C1C)C=1N(C2=NC=NC(=C2N=1)O[C@@H]1CN(CC1)C(=O)C1CCOCC1)C FHKPLLOSJHHKNU-INIZCTEOSA-N 0.000 description 1
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- 238000010521 absorption reaction Methods 0.000 description 1
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- 150000001241 acetals Chemical class 0.000 description 1
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- UOMUPDCRXJLVGR-UHFFFAOYSA-N propane-1,2,2-triol Chemical compound CC(O)(O)CO UOMUPDCRXJLVGR-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- 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
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
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Abstract
Description
A1 | A2 | A3 | C1 | B1 | B2 | D1 | D2 | ||
아크릴계공중합체조성 (중량부) | n-BA | 99.8 | 99.8 | 98.5 | 99.8 | 99 | 99 | 99 | 99 |
2-HEA | 0.2 | 0.2 | 1.5 | 0.2 | 1 | 1 | 1 | 1 | |
AIBN | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | |
nDDM | - | - | - | - | - | - | - | 3 | |
EAc | 100 | 120 | 120 | 70 | 170 | 180 | 400 | 100 | |
중량평균분자량(만) | 200 | 160 | 170 | 270 | 90 | 83 | 40 | 1.4 | |
분자량 분포 | 3.8 | 4.0 | 4.5 | 4.0 | 4.2 | 4.0 | 4.2 | 2.5 | |
n-BA: n-부틸아크릴레이트, EHA: 2-에틸 헥실 아크릴레이트 2-HEA: 2-하이드록시에틸 아크릴레이트, n-DDM: 노말 도데실 머캡탄, AIBN: 아조비스이소부티로니트릴, EAc: 에틸아세테이트 |
실시예 | 비교예 | ||||||||||||
1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ||
배합 조성 (중량부) | A1 | 30 | 40 | 60 | 70 | 15 | 40 | ||||||
A2 | 35 | 40 | |||||||||||
A3 | 100 | 100 | 100 | ||||||||||
C1 | 30 | ||||||||||||
B1 | 70 | 60 | 40 | 30 | 85 | ||||||||
B2 | 65 | 60 | 70 | ||||||||||
D1 | 60 | ||||||||||||
D2 | 20 | ||||||||||||
이소시 아네이트 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.05 | 0.03 | 0.05 | |
퍼옥사이드 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0 | 0 | 0 | |
아크릴계 공중합체 중량비((B)저분자량/(A)고분자량) | 2.3 | 1.5 | 1.9 | 1.5 | 0.6 | 0.4 | 2.3 | 5.6 | 1.5 | - | - | 0.2 | |
겔(%) | 24 | 33 | 30 | 37 | 65 | 74 | 35 | 12 | 33 | 63 | 40 | 50 | |
내구신뢰성 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | × | × | ○ | × | ○ | |
빛샘 | ⊙ | ○ | ⊙ | ○ | × | × | × | ⊙ | ⊙ | × | ⊙ | ○ | |
점착제 삐져나옴 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 2 | 1 | |
점착제 눌림 (점착제 탄성율) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 3 | 3 | 1 |
Claims (21)
- (A)중량 평균 분자량이 150만 내지 250만인 고분자량 아크릴계 공중합체;(B)중량 평균 분자량이 50만 내지 100만인 저분자량 아크릴계 공중합체; 및(C)퍼옥사이드 화합물을 포함하고,상기 (A)고분자량 아크릴계 공중합체 및 (B)저분자량 아크릴계 공중합체의 중량비((B)저분자량/(A)고분자량 아크릴계 공중합체)가 1 내지 4인 아크릴계 점착제 조성물.
- 제 1 항에 있어서,하기 수학식으로 나타나는 겔 함량이 20 내지 55%인 것을 특징으로 하는 아크릴계 점착제 조성물:[수학식]겔 함량(%)=(L2)/(L1) x 100상기 식에서,L1은 아크릴계 점착제 조성물의 질량을 나타내고, L2는 상온에서 48시간 동안 에틸 아세테이트에 침적 후의 아크릴계 점착제 조성물의 불용해분의 건조 질량 을 나타낸다.
- 제 1 항에 있어서,(A)고분자량 아크릴계 공중합체 및 (B)저분자량 아크릴계 공중합체는 각각 알킬의 탄소수가 1~14의 알킬(메타)아크릴산 에스테르 단량체 80 내지 99.8 중량부를 포함하는 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 4 항에 있어서,알킬(메타)아크릴산 에스테르 단량체는 메틸(메타)아크릴레이트, 에틸(메타)아크릴레이트, n-프로필(메타)아크릴레이트, 이소프로필(메타)아크릴레이트, 부틸(메타)아크릴레이트, t-부틸(메타)아크릴레이트, 펜틸(메타)아크릴레이트, 2-에틸헥실(메타)아크릴레이트, n-옥틸(메타)아크릴레이트, 이소옥틸(메타)아크릴레이트, 이소노닐(메타)아크릴레이트, 라우릴(메타)아크릴레이트 및 테트라 데실(메타)아크릴레이트로 이루어진 군으로부터 선택되는 하나 이상인 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 1 항에 있어서,(A)고분자량 아크릴계 공중합체 또는 (B)저분자량 아크릴계 공중합체는 각각 독립적으로 가교성 관능기 함유 단량체 0.01 내지 5 중량부를 포함하는 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 5 항에 있어서,가교성 관능기 함유 단량체는 수산기 함유 단량체, 카르복실기 함유 단량체 및 질소 함유 단량체로 이루어진 군으로부터 선택되는 하나 이상인 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 6 항에 있어서,수산기 함유 단량체는 2-하이드록시에틸 (메타)아크릴레이트, 2-하이드록시프로필 (메타)아크릴레이트, 4-하이드록시부틸 (메타)아크릴레이트, 2-하이드록시에틸렌글리콜 (메타)아크릴레이트 및 2-하이드록시프로필렌글리콜 (메타)아크릴레이트로 이루어진 군으로부터 선택되는 하나 이상인 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 6 항에 있어서,카르복실기 함유 단량체는 (메타)아크릴산, 아크릴산 이중체, 이타콘산, 및 말레인산으로 이루어진 군으로부터 선택되는 하나 이상인 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 6 항에 있어서,질소 함유 단량체는 아크릴 아미드, N-비닐 피롤리돈, 및 N-비닐 카프로락탐 으로 이루어진 군으로부터 선택되는 하나 이상인 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 10 항에 있어서,화학식로 표시되는 기능성 단량체는 스티렌, 알파 메틸 스티렌, 비닐 아세테이트, (메타)아크릴 아마이드, 및 N-부톡시 메틸(메타)아크릴 아마이드로 이루어진 군으로부터 선택되는 하나 이상인 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 1 항에 있어서,(C)퍼옥사이드 화합물은 1 분간 반감기 온도가 70 내지 170℃인 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 1 항에 있어서,(C)퍼옥사이드 화합물은 라우릴 퍼옥사이드, 벤조일 퍼옥사이드, 이소부티릴 퍼옥사이드, 비스네오데카노일 퍼옥시 디이소프로필 벤젠, 큐밀 퍼옥시 네오데카노에이트, 디프로필 퍼옥시 디카보네이트, 디이소프로필 퍼옥시 디카보네이트, 비스-4-부틸시클로헥실 퍼옥시 디카보네이트, 디에톡시에틸 퍼옥시 디카보네이트, 디에톡시헥실 퍼옥시 디카보네이트, 헥실 퍼옥시 디카보네이트, 디메톡시부틸 퍼옥시 디카보네이트, 비스(3-메톡시-3메톡시부틸)퍼옥시 디카보네이트, 테트라메틸 부틸 퍼옥시네오데카네이트, 부틸 퍼옥시네오데카노에이트, 헥실 퍼옥시 피발레이트, 부틸 퍼옥시 피발레이트, 트리메틸헥사노일 퍼옥사이드, 디메틸 하이드록시부틸 퍼옥시 네오데카노에이트, 아밀 퍼옥시 네오데카노에이트, 부틸 퍼옥시 네오데카노에이트, 및 아밀 퍼옥시 피발레이트로 이루어진 군으로부터 선택되는 하나 이상인 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 1 항에 있어서,(C)퍼옥사이드 화합물의 함량은 아크릴계 공중합체 (A) 및 (B) 100 중량부에 대하여 0.01 내지 2 중량부인 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 1 항에 있어서,아크릴계 공중합체 (A) 및 (B) 100 중량부에 대하여 다관능성 이소시아네이트계 가교제 0.01 내지 0.05 중량부를 추가로 포함하는 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 15 항에 있어서,이소시아네이트계 가교제는 톨리렌디이소시아네이트, 크실렌디이소시아네이트, 디페닐메탄디이소시아네이트, 헥사메틸렌디이소시아네이트, 이소포름 디이소시아네이트, 테트라메틸크실렌 디이소시아네이트, 나프탈렌디이소시아네이트 및 상기 중 하나 이상의 폴리올과의 반응물로 이루어진 군으로부터 선택되는 하나 이상인 것을 특징으로 하는 아크릴계 점착제 조성물.
- 제 1 항에 있어서,아크릴계 공중합체 (A) 및 (B) 100 중량부에 대하여 실란계 커플링제 0.005 내지 5 중량부를 추가로 포함하는 것을 특징으로 하는 아크릴계 점착제 조성 물.
- 제 1 항에 있어서,아크릴계 공중합체 (A) 및 (B) 100 중량부에 대하여 점착성 부여수지 1 내지 100 중량부를 추가로 포함하는 것을 특징으로 하는 아크릴계 점착제 조성물.
- 편광필름; 및상기 편광필름의 일면 또는 양면에 형성되고, 제 1항 내지 제 18 항 중 어느 한 항에 따른 아크릴계 점착제 조성물을 함유하는 점착층을 포함하는 편광판.
- 제 19 항에 있어서,편광판은 보호층, 반사층, 위상차판, 광시야각 보상필름 및 휘도향상필름으로 이루어지는 군으로부터 선택되는 하나 이상의 층을 추가로 포함하는 것을 특징으로 하는 편광판.
- 제 19 항의 편광판을 액정 셀의 일면 또는 양면에 접합한 액정패널을 포함하는 것을 특징으로 하는 액정표시장치.
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WO2014178674A1 (ko) | 2013-05-02 | 2014-11-06 | 주식회사 엘지화학 | 멀티 블록 공중합체 |
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KR20140143006A (ko) | 2013-06-05 | 2014-12-15 | 주식회사 엘지화학 | 점착 필름, 광학부재 및 액정 표시 장치 |
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