KR101757962B1 - 점착제 조성물 - Google Patents
점착제 조성물 Download PDFInfo
- Publication number
- KR101757962B1 KR101757962B1 KR1020140075205A KR20140075205A KR101757962B1 KR 101757962 B1 KR101757962 B1 KR 101757962B1 KR 1020140075205 A KR1020140075205 A KR 1020140075205A KR 20140075205 A KR20140075205 A KR 20140075205A KR 101757962 B1 KR101757962 B1 KR 101757962B1
- Authority
- KR
- South Korea
- Prior art keywords
- pressure
- sensitive adhesive
- block
- adhesive composition
- optical film
- 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.)
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- 239000000203 mixture Substances 0.000 title claims abstract description 69
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 93
- 229920001400 block copolymer Polymers 0.000 claims abstract description 47
- 230000001681 protective effect Effects 0.000 claims abstract description 25
- 239000010408 film Substances 0.000 claims description 60
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 54
- 239000000178 monomer Substances 0.000 claims description 49
- 239000010410 layer Substances 0.000 claims description 27
- 239000003431 cross linking reagent Substances 0.000 claims description 25
- 230000009477 glass transition Effects 0.000 claims description 24
- 239000012788 optical film Substances 0.000 claims description 19
- 125000000524 functional group Chemical group 0.000 claims description 15
- 239000003999 initiator Substances 0.000 claims description 15
- 238000004132 cross linking Methods 0.000 claims description 14
- 239000004973 liquid crystal related substance Substances 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 229920000642 polymer Polymers 0.000 claims description 13
- 239000012790 adhesive layer Substances 0.000 claims description 12
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 7
- 125000005396 acrylic acid ester group Chemical group 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 229920000428 triblock copolymer Polymers 0.000 claims description 5
- 125000005397 methacrylic acid ester group Chemical group 0.000 claims description 3
- WDJHALXBUFZDSR-UHFFFAOYSA-N acetoacetic acid Chemical group CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 claims 1
- 229920006037 cross link polymer Polymers 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 description 32
- 239000000853 adhesive Substances 0.000 description 31
- -1 alkyl methacrylate Chemical compound 0.000 description 28
- 238000006116 polymerization reaction Methods 0.000 description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- 125000004432 carbon atom Chemical group C* 0.000 description 14
- 239000004372 Polyvinyl alcohol Substances 0.000 description 10
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 description 10
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 238000001723 curing Methods 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 7
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 description 7
- 150000003254 radicals Chemical class 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2,2'-azo-bis-isobutyronitrile Substances N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229920002284 Cellulose triacetate Polymers 0.000 description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 6
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 6
- 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 6
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 5
- 229920001519 homopolymer Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 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 4
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 4
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 4
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 239000012948 isocyanate Substances 0.000 description 4
- 150000002513 isocyanates Chemical class 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 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 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 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 3
- 125000002339 acetoacetyl group Chemical group O=C([*])C([H])([H])C(=O)C([H])([H])[H] 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 3
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 3
- 229940117969 neopentyl glycol Drugs 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 229920005604 random copolymer Polymers 0.000 description 3
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 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 3
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 2
- 229940095095 2-hydroxyethyl acrylate Drugs 0.000 description 2
- NJWGQARXZDRHCD-UHFFFAOYSA-N 2-methylanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(C)=CC=C3C(=O)C2=C1 NJWGQARXZDRHCD-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- 229910021589 Copper(I) bromide Inorganic materials 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- 101100425892 Danio rerio tpma gene Proteins 0.000 description 2
- 101150068236 MFA2 gene Proteins 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical class 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
- 235000000126 Styrax benzoin Nutrition 0.000 description 2
- 244000028419 Styrax benzoin Species 0.000 description 2
- 235000008411 Sumatra benzointree Nutrition 0.000 description 2
- 101150048952 TPM-1 gene Proteins 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 2
- 125000005250 alkyl acrylate group Chemical group 0.000 description 2
- 229960002130 benzoin Drugs 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 125000005442 diisocyanate group Chemical group 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- IOLQWGVDEFWYNP-UHFFFAOYSA-N ethyl 2-bromo-2-methylpropanoate Chemical compound CCOC(=O)C(C)(C)Br IOLQWGVDEFWYNP-UHFFFAOYSA-N 0.000 description 2
- 235000019382 gum benzoic Nutrition 0.000 description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 2
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
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- 101150009774 mfa1 gene Proteins 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- ULDDEWDFUNBUCM-UHFFFAOYSA-N pentyl prop-2-enoate Chemical compound CCCCCOC(=O)C=C ULDDEWDFUNBUCM-UHFFFAOYSA-N 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
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- RLUFBDIRFJGKLY-UHFFFAOYSA-N (2,3-dichlorophenyl)-phenylmethanone Chemical compound ClC1=CC=CC(C(=O)C=2C=CC=CC=2)=C1Cl RLUFBDIRFJGKLY-UHFFFAOYSA-N 0.000 description 1
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 description 1
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- XKSUVRWJZCEYQQ-UHFFFAOYSA-N 1,1-dimethoxyethylbenzene Chemical compound COC(C)(OC)C1=CC=CC=C1 XKSUVRWJZCEYQQ-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
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- DKEGCUDAFWNSSO-UHFFFAOYSA-N 1,8-dibromooctane Chemical compound BrCCCCCCCCBr DKEGCUDAFWNSSO-UHFFFAOYSA-N 0.000 description 1
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- LMAUULKNZLEMGN-UHFFFAOYSA-N 1-ethyl-3,5-dimethylbenzene Chemical compound CCC1=CC(C)=CC(C)=C1 LMAUULKNZLEMGN-UHFFFAOYSA-N 0.000 description 1
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 1
- VGUWFGWZSVLROP-UHFFFAOYSA-N 1-pyridin-2-yl-n,n-bis(pyridin-2-ylmethyl)methanamine Chemical compound C=1C=CC=NC=1CN(CC=1N=CC=CC=1)CC1=CC=CC=N1 VGUWFGWZSVLROP-UHFFFAOYSA-N 0.000 description 1
- BTJPUDCSZVCXFQ-UHFFFAOYSA-N 2,4-diethylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(CC)=CC(CC)=C3SC2=C1 BTJPUDCSZVCXFQ-UHFFFAOYSA-N 0.000 description 1
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- FTALTLPZDVFJSS-UHFFFAOYSA-N 2-(2-ethoxyethoxy)ethyl prop-2-enoate Chemical compound CCOCCOCCOC(=O)C=C FTALTLPZDVFJSS-UHFFFAOYSA-N 0.000 description 1
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- KMNCBSZOIQAUFX-UHFFFAOYSA-N 2-ethoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OCC)C(=O)C1=CC=CC=C1 KMNCBSZOIQAUFX-UHFFFAOYSA-N 0.000 description 1
- SJEBAWHUJDUKQK-UHFFFAOYSA-N 2-ethylanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(CC)=CC=C3C(=O)C2=C1 SJEBAWHUJDUKQK-UHFFFAOYSA-N 0.000 description 1
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- 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
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- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
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- 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 description 1
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- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 description 1
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- CUXGDKOCSSIRKK-UHFFFAOYSA-N 7-methyloctyl prop-2-enoate Chemical compound CC(C)CCCCCCOC(=O)C=C CUXGDKOCSSIRKK-UHFFFAOYSA-N 0.000 description 1
- KGPFBAGEXZTOBI-UHFFFAOYSA-N 7-triethoxysilylheptane-2,4-dione Chemical compound CCO[Si](OCC)(OCC)CCCC(=O)CC(C)=O KGPFBAGEXZTOBI-UHFFFAOYSA-N 0.000 description 1
- WYOIOJGISDCMAQ-UHFFFAOYSA-N 7-trimethoxysilylheptane-2,4-dione Chemical compound CO[Si](OC)(OC)CCCC(=O)CC(C)=O WYOIOJGISDCMAQ-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
도 2 및 3은, 다른 예시적인 편광판의 구조를 보여주는 도면이다.
|
블록 공중합체 | |||
A1 | B1 | C1 | ||
제1블록 |
MMA 비율 | 100 | 100 | 100 |
Tg(℃) | 110 | 110 | 110 | |
제2 블록 |
BA 비율 | 80 | 80 | 80 |
HEA 비율 | 20 | 20 | 10 | |
EO2EA 비율 | 10 | |||
Tg(℃) | -40 | -40 | -45 | |
블록 공중 합체 |
Mn(×10000) | 8 | 15 | 8.2 |
PDI | 1.28 | 1.35 | 1.30 | |
제1블록:제2블록(중량비) | 30:70 | 20:80 | 30:70 | |
단량체 비율 단위: 각 블록의 단량체들의 총합을 100으로 환산하여 나타낸 중량부 MMA: methyl methacrylate (단독 중합체 Tg: 약 110℃) BA: butyl acrylate (단독 중합체 Tg: 약 -45℃) HEA: 2-hydroxyethyl acrylate (단독 중합체 Tg: 약 -15℃) EO2EA: 2-(2-ethoxyethoxy)ethyl acrylate(단독 중합체 Tg: 약 -70℃) Tg: 유리전이온도 Mn: 수평균분자량 PDI: 분자량 분포 |
실시예 | 비교예 | |||||
1 | 2 | 3 | 1 | 2 | ||
중합체 | A1 | 100 | ||||
B1 | 100 | |||||
C1 | 100 | |||||
D1 | 100 | 100 | ||||
MFA1 | 30 | 50 | 70 | 140 | ||
MFA2 | 50 | |||||
NCO 가교제 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
라디칼 개시제 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |
함량 단위:
중량부
MFA1 : isophorone diisocyanate / pentaerythritol triacrylate adduct MFA2 : pentaerythritol tetraacrylate NOC 가교제 : Diphenyl (2,4,6- trimethylbenzoyl )phosphine oxide 라디칼 개시제 : TDI / trimethylolpropane adduct |
실시예 | 비교예 | ||||
1 | 2 | 3 | 1 | 2 | |
탄성률( MPa ) | 150 | 170 | 200 | 110 | 220 |
점착력( gf ) | 385 | 290 | 210 | 60 | 12 |
내열내구성 | A | A | A | C | C |
내습열 내구성 | A | A | A | B | C |
1021, 1022: 편광자 보호 필름
101: 편광자
103, 201: 점착제층
104: 이형 필름
301: 접착제층
Claims (20)
- 편광자; 및 상기 편광자의 일면에 형성되어 있고, 유리전이온도가 50℃ 이상인 제 1 블록 및 유리전이온도가 -30℃ 이하인 제 2 블록을 포함하는 블록 공중합체, 상기 블록 공중합체와의 반응에 의해 가교 구조를 구현할 수 있는 다관능성 가교제, 다관능성 아크릴레이트 및 라디컬 개시제를 포함하며, 경화되어 상호 침투 고분자 네트워크를 구현하고 있는 점착제 조성물을 포함하는 점착제층;을 가지는 편광판이고,
상기 상호 침투 고분자 네트워크는 상기 블록 공중합체와 상기 다관능성 가교제의 가교 구조, 및 상기 라디컬 개시제에 의해 유발되는 상기 다관능성 아크릴레이트의 가교 구조를 포함하는 편광판. - 제 1 항에 있어서, 편광자의 일면에만 형성되어 있는 편광자 보호 필름을 추가로 포함하고, 점착제층은 상기 보호 필름이 형성되어 있지 않은 편광자의 면에 부착되어 있는 편광판.
- 제 1 항에 있어서, 점착제층과 편광자의 사이에 존재하는 접착제층을 추가로 포함하는 편광판.
- 유리전이온도가 50℃ 이상인 제 1 블록 및 유리전이온도가 -30℃ 이하인 제 2 블록을 포함하는 블록 공중합체, 상기 블록 공중합체와의 반응에 의해 가교 구조를 구현할 수 있는 다관능성 가교제, 다관능성 아크릴레이트 및 라디컬 개시제를 포함하고, 경화된 후에 상호 침투 고분자 네트워크 구조를 포함하는 광학 필름용 점착제 조성물이고,
상기 상호 침투 고분자 네트워크는 상기 블록 공중합체와 상기 다관능성 가교제의 가교 구조, 및 상기 라디컬 개시제에 의해 유발되는 상기 다관능성 아크릴레이트의 가교 구조를 포함하는 광학 필름용 점착제 조성물. - 제 4 항에 있어서, 블록 공중합체는 제 2 블록에 가교성 관능기를 포함하는 광학 필름용 점착제 조성물.
- 제 4 항에 있어서, 블록 공중합체는 제 1 블록과 제 2 블록을 포함하는 디블록 공중합체 또는 제 1 블록, 제 2 블록 및 제 3 블록을 포함하는 트리블록 공중합체인 광학 필름용 점착제 조성물.
- 제 4 항에 있어서, 제 1 블록은 메타크릴산 에스테르 단량체를 포함하는 광학 필름용 점착제 조성물.
- 제 4 항에 있어서, 제 2 블록은 아크릴산 에스테르 단량체를 포함하는 광학 필름용 점착제 조성물.
- 제 8 항에 있어서, 제 2 블록은 가교성 관능기를 가지는 공중합성 단량체를 추가로 포함하는 광학 필름용 점착제 조성물.
- 제 4 항에 있어서, 블록 공중합체는 제 1 블록 100 중량부 대비 25 중량부 내지 1900 중량부의 범위 내의 제 2 블록을 포함하는 광학 필름용 점착제 조성물.
- 제 4 항에 있어서, 블록 공중합체는 수평균분자량이 20,000 내지 500,000인 광학 필름용 점착제 조성물.
- 제 4 항에 있어서, 블록 공중합체는 분자량 분포가 1.0 내지 3.5인 광학 필름용 점착제 조성물.
- 제 4 항에 있어서, 블록 공중합체 100 중량부 대비 0.01 중량부 내지 10 중량부의 다관능성 가교제를 포함하는 광학 필름용 점착제 조성물.
- 삭제
- 제 4 항에 있어서, 상기 다관능성 아크릴레이트는, 분자량이 10,000 g/mol 이하인 광학 필름용 점착제 조성물.
- 제 4 항에 있어서, 상기 블록 공중합체 100 중량부 대비 5 중량부 내지 300 중량부의 상기 다관능성 아크릴레이트를 포함하는 광학 필름용 점착제 조성물.
- 제 4 항에 있어서, 상기 블록 공중합체 100 중량부 대비 0.01 내지 10 중량부의 상기 라디칼 개시제를 포함하는 광학 필름용 점착제 조성물.
- 제 4 항에 있어서, 아세토아세테이트기 또는 베타-시아노아세틸기를 가지는 실란 커플링제를 추가로 포함하는 광학 필름용 점착제 조성물.
- 제 4 항에 있어서, 상호 침투 고분자 네트워크가 구현된 경우에 25℃에서 0.5 MPa 내지 1,000 MPa의 인장 탄성률을 나타내는 광학 필름용 점착제 조성물.
- 제 1 항의 편광판이 일면 또는 양면에 부착되어 있는 액정 패널을 포함하는 디스플레이 장치.
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EP2889350B1 (en) | 2020-11-18 |
CN104736656A (zh) | 2015-06-24 |
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US9902883B2 (en) | 2018-02-27 |
JP6213748B2 (ja) | 2017-10-18 |
TWI596179B (zh) | 2017-08-21 |
EP2889350A4 (en) | 2016-05-18 |
WO2014204251A1 (ko) | 2014-12-24 |
JP2016505871A (ja) | 2016-02-25 |
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