KR20100003715A - 점착제 조성물,편광판용 보호 필름,편광판 및 액정표시장치 - Google Patents
점착제 조성물,편광판용 보호 필름,편광판 및 액정표시장치 Download PDFInfo
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Abstract
Description
아크릴계 수지 | |||||
A-1 | A-2 | A-3 | A-4 | B-1 | |
n-BA | 95.8 | 88.2 | 73.4 | 85.7 | 78.0 |
EA | - | - | 25.1 | - | - |
BzA | - | - | - | 13.1 | - |
PhEA | - | 9.8 | - | - | 20.0 |
AA | 4.0 | - | - | 1.2 | - |
2-HEMA | 0.2 | 2.0 | 1.5 | - | 2.0 |
AIBN | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
M w (만) | 180 | 180 | 100 | 180 | 180 |
n-BA: n-부틸 아크릴레이트 EA: 에틸 아크릴레이트 BzA: 벤질 아크릴레이트 PhEA: 페녹시에틸 아크릴레이트 AA: 아크릴산 2-HEMA: 2-히드록시에틸 메타크릴레이트 M w : 중량평균분자량 |
실시예 | 비교예 | ||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 1 | 2 | 3 | 4 | ||
아크릴계공중합체 | A-1 | 100 | - | - | - | - | 100 | - | 100 | - | - |
A-2 | - | - | 100 | -- | - | - | - | - | - | 100 | |
A-3 | - | 100 | - | 100 | - | - | 100 | - | - | - | |
A-4 | - | - | - | - | 100 | - | - | - | - | - | |
B-1 | - | - | - | - | - | - | - | - | 100 | - | |
가교제 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |
화학식(1) | 5 | - | - | - | - | - | - | - | - | - | |
화학식(2) | - | 8 | - | - | - | - | - | - | - | 30 | |
화학식(3) | - | - | - | - | - | 1 | - | - | - | - | |
화학식(4) | - | - | - | 10 | - | 7 | - | 20 | - | - |
실시예 | 비교예 | ||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 1 | 2 | 3 | 4 | ||
위상차 (nm) | 500㎛ 변형 | -0.2 | -0.45 | 0.21 | 0.32 | 0.45 | -0.12 | -3.76 | 2.78 | 2.57 | 3.21 |
600㎛ 변형 | -1.05 | -1.2 | 0.23 | 0.33 | 1.2 | -0.89 | -5.66 | 4.54 | 4.21 | 5.2 | |
내구신뢰성 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | △ | |
광투과 균일성(빛샘) | ○ | ○ | ○ | ○ | ○ | ○ | × | × | × | × |
Claims (20)
- 하기 일반식 1의 조건을 만족하는 점착제 조성물:[일반식 1]△X ≤ 2 nm상기 일반식 1에서, △X는 상기 점착제 조성물을 사용하여 제조된, 시트상 점착제를, 23℃의 온도에서, 시트면의 세로축 방향으로 500 ㎛ 연신시켰을 때, 식 「(nx-ny) × d」로 측정되는 면방향 위상차(Rin)의 절대값을 나타내며, 상기에서 nx는 상기 시트상 점착제의 면방향에서 가로축으로의 굴절률을 나타내고, ny는 상기 시트상 점착제의 면방향에서 세로축으로의 굴절률을 나타내며, d는 상기 시트상 점착제의 두께를 나타낸다.
- 제 1 항에 있어서, 중량평균분자량이 50만 이상인 베이스 수지를 포함하는 점착제 조성물.
- 제 2 항에 있어서, 베이스 수지는 (메타)아크릴산 에스테르계 단량체 80 중량부 내지 99.8 중량부; 및 가교성 단량체 0.01 중량부 내지 10 중량부를 포함하는 단량체 혼합물의 중합체인 점착제 조성물.
- 제 3 항에 있어서, (메타)아크릴산 에스테르계 단량체가 메틸 (메타)아크릴레이트, 에틸 (메타)아크릴레이트, n-프로필 (메타)아크릴레이트, 이소프로필 (메타)아크릴레이트, n-부틸 (메타)아크릴레이트, t-부틸 (메타)아크릴레이트, sec-부틸 (메타)아크릴레이트, 펜틸 (메타)아크릴레이트, 2-에틸헥실 (메타)아크릴레이트, 2-에틸부틸 (메타)아크릴레이트, n-옥틸 (메타)아크릴레이트, 이소옥틸 (메타)아크릴레이트, 이소노닐 (메타)아크릴레이트, 라우릴 (메타)아크릴레이트, 이소보닐 (메타)아크릴레이트 및 테트라데실 (메타)아크릴레이트로 이루어진 군으로부터 선택된 하나 이상인 점착제 조성물.
- 제 3 항에 있어서, 가교성 단량체가 히드록시기 함유 단량체, 카복실기 함유 단량체 및 질소 함유 단량체로 이루어진 군으로부터 선택된 하나 이상인 점착제 조성물.
- 제 2 항에 있어서, 양의 광탄성 계수를 가지는 화합물을 추가로 포함하는 점착제 조성물.
- 제 8 항에 있어서, 양의 광탄성 계수를 가지는 화합물은 하기 화학식 3으로 표시되는 점착제 조성물:[화학식 3]상기 화학식 3에서, B는 단일 결합, -CH=N-, -N=N-, -N=N(O)-, -COO-, -CH2O-, -C(R7)2-CO-, -COO-CH2-, -CH=CH-, -C≡C-, -S-, -SO2-, -φ(R7)-, -CH=N-φ(R7)-N=CH-, -CH=CH-φ(R7)-N=CH-, -CH=CH-φ(R7)-CH=CH-, -CH=CH-φ(R7)-φ(R8)-CH=CH-, -CH=N-φ(R7)-(R8)-N=CH-, -CH=N-φ(R7)-φ(R8)-CH=CH-, -N=N-φ(R7)-N=CH-, -C(=O)-O-φ(R7)-C(CH3)2-, 나프탈렌 코어 또는 안트라센 코어를 나타내고,X, Y, R7 및 R8은 각각 독립적으로 수소, 할로겐, 시아노, 아미노, 히드록시, 알킬, 알콕시, 아릴, 디알킬아민 및 큐밀을 나타내며,a는 0 내지 3의 정수를 나타내고, b는 a가 0일 때 1 내지 3의 정수, a가 1 내지 3의 정수일 때 0 내지 3의 정수를 나타낸다.
- 제 8 항에 있어서, 양의 광탄성 계수를 가지는 화합물은 하기 화학식 4으로 표시되는 점착제 조성물:[화학식 4]상기 화학식 4에서,상기에서, Z는 C-W 또는 N이고;Q1 내지 Q16 및 W는 각각 독립적으로 수소, 할로겐, 시아노, 퍼플루오로알킬, 퍼플루오로알킬옥시, -R9, -OR9, -NHR9, -N(R9)2, -C(=O)R9, -SR9, -SOR9, -SO2R9, -C(=O)NR9, -NR9C(=O)R9, -C(=O)OR9, -OC(=O)R9, 또는 -OC(=O)OR9이며;상기에서 R9은 수소, 알킬, 알케닐, 알키닐 또는 -(R10O)qR11이고; 상기에서 R10은 알킬렌이며, R11은 알킬이고, q는 1 내지 5의 정수이며;l, m, n 및 o는 각각 독립적으로 0 내지 2의 정수이고, l+m+n+o는 2 이상의 정수이며;E 및 F는 각각 독립적으로 수소, 할로겐, 시아노, -R9, -OR9, -NHR9, -N(R9)2, -NCO, -NCS, -C(=O)R9 또는 -Si(R9)3이고;G1, G2, 및 G3는 각각 독립적으로 단일결합, -O-, - R10O-, -NR10-, -S-, -SO-, -SO2-, 알킬렌, 알케닐렌, 알키닐렌 또는 -U-T-V-이며; 상기 U 및 T는 각각 독립적으로 단일결합, -S-, -NR10-, -O(CH2)p-, 카르보닐 또는 -O-이고, V는 단일결합, -O-, 카르보닐, -NR10-, -S-, -(CH2)p-, -O(CH2)p-, 또는 -(CH2)pO-이며, p는 0 내지 5의 정수이다.
- 제 2 항에 있어서, 베이스 수지 100 중량부에 대하여 0.1 중량부 내지 10 중량부의 가교제를 추가로 포함하는 점착제 조성물.
- 제 11 항에 있어서, 가교제가 이소시아네이트계 화합물, 에폭시계 화합물, 아지리딘계 화합물 및 금속 킬레이트계 화합물로 이루어진 군으로부터 선택된 하나 이상인 점착제 조성물.
- 제 2 항에 있어서, 베이스 수지 100 중량부에 대하여, 0.01 중량부 내지 10 중랑부의 실란계 커플링제를 추가로 포함하는 점착제 조성물.
- 기재 필름; 및 상기 기재 필름의 일면 또는 양면에 형성되고, 제 1 항 내지 제 13 항 중 어느 한 항에 따른 점착제 조성물의 경화물을 함유하는 점착층을 포함하는 편광판용 보호 필름.
- 제 14 항에 있어서, 기재 필름은 광탄성 계수의 절대값이 10 brewster 이하인 편광판용 보호 필름.
- 제 15 항에 있어서, 기재 필름은 폴리카보네이트계 필름; 포화시클로올레핀계 필름; 측쇄에 치환 또는 비치환된 이미드기를 가지는 올레핀계 열가소성 수지 필름; 측쇄에 치환 또는 비치환된 페닐기 및 니트릴기를 가지는 열가소성 수지 필름; 또는 아크릴계 필름인 편광판용 보호 필름.
- 제 15 항에 있어서, 기재 필름은 아크릴계 수지; 및 공액 디엔계 고무 함유 그래프트 공중합체를 포함하는 아크릴계 필름인 편광판용 보호 필름.
- 편광 필름 또는 편광 소자; 및 상기 편광 필름 또는 편광 소자의 일면 또는 양면에 형성된, 제 14 항에 따른 보호 필름을 포함하는 편광판.
- 제 18 항에 있어서, 보호층, 반사층, 방현층, 위상차판, 광시야각 보상 필름 및 휘도 향상 필름으로 이루어진 군으로부터 선택된 하나 이상을 추가로 포함하는 편광판.
- 제 18 항에 따른 편광판이 액정셀의 일면 또는 양면에 접합되어 있는 액정 패널을 포함하는 액정표시장치.
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EP (1) | EP2295515B1 (ko) |
JP (3) | JP2011526647A (ko) |
KR (1) | KR101293902B1 (ko) |
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WO2011105877A3 (ko) * | 2010-02-26 | 2012-02-02 | (주)Lg화학 | 점착제 조성물 |
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TW201014895A (en) | 2010-04-16 |
WO2010002198A3 (ko) | 2010-05-06 |
US20170247585A1 (en) | 2017-08-31 |
EP2295515A4 (en) | 2012-01-11 |
KR101293902B1 (ko) | 2013-08-06 |
US10640688B2 (en) | 2020-05-05 |
EP2295515A2 (en) | 2011-03-16 |
CN102083933B (zh) | 2013-05-01 |
JP6361890B2 (ja) | 2018-07-25 |
TWI445799B (zh) | 2014-07-21 |
WO2010002198A9 (ko) | 2010-03-18 |
JP6460550B2 (ja) | 2019-01-30 |
JP2011526647A (ja) | 2011-10-13 |
EP2295515B1 (en) | 2013-09-11 |
US20110177262A1 (en) | 2011-07-21 |
WO2010002198A2 (ko) | 2010-01-07 |
CN102083933A (zh) | 2011-06-01 |
JP2016128579A (ja) | 2016-07-14 |
US9663687B2 (en) | 2017-05-30 |
JP2018005254A (ja) | 2018-01-11 |
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