KR101019064B1 - 아크릴계 점착제 조성물 - Google Patents
아크릴계 점착제 조성물 Download PDFInfo
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- KR101019064B1 KR101019064B1 KR1020080004044A KR20080004044A KR101019064B1 KR 101019064 B1 KR101019064 B1 KR 101019064B1 KR 1020080004044 A KR1020080004044 A KR 1020080004044A KR 20080004044 A KR20080004044 A KR 20080004044A KR 101019064 B1 KR101019064 B1 KR 101019064B1
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- C09J7/00—Adhesives in the form of films or foils
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Abstract
Description
구분 | A-1 | A-2 | A-3 | A-4 | A-5 | B-1 | B-2 | B-3 | B-4 | |
아크릴계 공중합체 조성 | n-BA | 82.5 | 79.7 | 85.7 | 98.0 | 43.0 | 84.5 | 81.7 | 92.1 | 100 |
MA | 5.0 | 5.0 | ||||||||
BzA | 18.3 | 55.0 | 18.3 | |||||||
PhEA | 10.5 | 7.9 | 10.5 | 7.9 | ||||||
AA | 0.5 | 6.4 | 0.5 | 0.5 | ||||||
2-HEMA | 2.0 | 1.5 | 1.5 | 1.5 | ||||||
AIBN | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | |
중량 평균 분자량(만) |
150 | 180 | 160 | 180 | 180 | 160 | 140 | 160 | 140 | |
n-BA : n-부틸아크릴레이트 MA : 에틸아크릴레이트 BzA: 벤질 아크릴레이트 PhEA: 페녹시 에틸 아크릴레이트 AA : 아크릴산 2-HEMA: 2-하이드록시에틸메타아크릴레이트 |
실시예1 | 실시예2 | 실시예3 | 비교예1 | 비교예2 | 비교예3 | 비교예4 | 비교예5 | 비교예6 | ||
공중합체(A) (중량부) |
A-1 | 25 | 5 | |||||||
A-2 | 37 | 70 | ||||||||
A-3 | 15 | 100 | ||||||||
A-4 | 37 | |||||||||
A-5 | 25 | |||||||||
공중합체(B) (중량부) |
B-1 | 75 | 95 | |||||||
B-2 | 63 | 100 | 30 | |||||||
B-3 | 85 | |||||||||
B-4 | 63 | 75 | ||||||||
가교제 (중량부) |
0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
내구 신뢰성 | ○ | ○ | ○ | × | ○ | × | ○ | ○ | ○ | |
빛샘-1(응력) | ○ | ○ | ○ | △ | △ | ○ | △ | × | × | |
빛샘-2(휨) | ○ | ○ | ○ | △ | × | ○ | × | ○ | ○ |
Claims (20)
- 가교성 관능기 함유 단량체를 포함하는 가교성 아크릴계 공중합체(A) 및 비가교성 아크릴계 공중합체(B)의 혼합비율이 1:9 내지 5:5이고,상기 공중합체 (A) 및 (B)는 각각 (메타)아크릴산 에스테르계 단량체 75 내지 97 중량부; 및 방향족기 함유 단량체 3 내지 25 중량부를 포함하는 점착제 조성물.
- 제1항에 있어서,아크릴계 공중합체(A) 및 (B)는 각각 중량 평균분자량이 100만 이상인 것을 특징으로 하는 점착제 조성물.
- 제1항에 있어서,(메타)아크릴산 에스테르계 단량체가 메틸(메타)아크릴레이트, 에틸(메타)아크릴레이트, n-프로필 (메타)아크릴레이트, 이소프로필 (메타)아크릴레이트, t-부틸(메타)아크릴레이트, n-부틸(메타)아크릴레이트, sec-부틸(메타)아크릴레이트, 펜틸(메타)아크릴레이트, 2-에틸헥실(메타)아크릴레이트, n-옥틸(메타)아크릴레이트, 이소옥틸(메타)아크릴레이트, 이소노닐(메타)아크릴레이트 및 라우릴(메타)아크릴레이트로 이루어진 군으로부터 선택된 하나 이상인 것을 특징으로 하는 점착제 조성물.
- 제4항에 있어서,방향족기 함유 단량체가 페녹시 에틸 (메타)아크릴레이트, 벤질 (메타)아크릴레이트, 2-페닐티오-1-에틸 아크릴레이트, 8-(2-나프틸옥시)-1-옥틸 아크릴레이트 및 2-(1-나프틸옥시)-1-에틸 아크릴레이트로 이루어진 군으로부터 선택된 하나 이상인 것을 특징으로 하는 점착제 조성물.
- 제1항에 있어서,가교성 관능기 함유 단량체가 히드록시기 함유 단량체, 카르복실기 함유 단량체 및 그의 무수물로 이루어진 군으로부터 선택된 하나 이상인 것을 특징으로 하는 점착제 조성물.
- 제1항에 있어서,가교성 관능기 함유 단량체가 2-하이드록시에틸 (메타)아크릴레이트, 3-하이드록시프로필 (메타)아크릴레이트, 4-하이드록시부틸 (메타)아크릴레이트, 2-하이드록시에틸렌글리콜 (메타)아크릴레이트, 3-하이드록시프로필렌글리콜 (메타)아크릴레이트, 아크릴산, 메타크릴산, 아크릴산 이중체, 이타콘산, 말레인산 및 말레인산 무수물로 이루어진 군으로부터 선택된 하나 이상인 것을 특징으로 하는 점착제 조성물.
- 제1항에 있어서,가교성 관능기 함유 단량체가 아크릴계 공중합체(A) 100 중량부에 대하여 0.1 내지 10 중량부로 포함하는 것을 특징으로 하는 점착제 조성물.
- 제9항에 있어서,기능성 단량체가 아크릴로니트릴, (메타)아크릴아미드, N-메틸아크릴아미드, 스티렌, 메틸 스티렌, 글리시딜 (메타)아크릴레이트 및 비닐 아세테이트로 이루어진 군으로부터 선택된 하나 이상인 것을 특징으로 하는 점착제 조성물.
- 제1항에 있어서,아크릴계 공중합체 (A) 및 (B) 100 중량부에 대하여 0.01 내지 10 중량부의 다관능성 가교제를 추가로 포함하는 것을 특징으로 하는 점착제 조성물.
- 제11항에 있어서,다관능성 가교제가 이소시아네이트계 화합물, 에폭시계 화합물, 아지리딘계 화합물 및 금속 킬레이트계 화합물로 이루어진 군으로부터 선택된 하나 이상인 것을 특징으로 하는 점착제 조성물.
- 제1항에 있어서,아크릴계 공중합체 (A) 및 (B) 100 중량부에 대하여 0.005 내지 5 중량부의 실란 커플링제를 추가로 포함하는 것을 특징으로 하는 점착제 조성물.
- 제1항에 있어서,아크릴계 공중합체 (A) 및 (B) 100 중량부에 대하여 1 내지 100 중량부의 점착성부여수지를 추가로 포함하는 점착제 조성물.
- 제14항에 있어서,점착성부여수지가 (수첨) 히드로카본계 수지, (수첨) 로진 수지, (수첨) 로진 에스테르 수지, (수첨) 테르펜 수지, (수첨) 테르펜 페놀 수지, 중합 로진 수지 및 중합 로진 에스테르 수지로 이루어진 군으로부터 선택된 하나 이상인 것을 특징으로 하는 점착제 조성물.
- 제1항에 있어서,아크릴계 저분자량체, 에폭시 수지, 경화제, 자외선안정제, 산화방지제, 조색제, 보강제, 충진제, 소포제, 계면 활성제 및 가소제로 이루어진 군으로부터 선택된 하나 이상을 추가로 포함하는 점착제 조성물.
- 편광필름; 및상기 필름의 일면 또는 양면에 형성되고, 제1항 내지 제16항 중 어느 한 항에 따른 점착제 조성물을 함유하는 점착층을 포함하는 편광판.
- 제17항에 있어서,편광 필름의 양면에 셀룰로오스계 필름, 폴리에스테르계 필름, 폴리에테르설폰계 필름 및 폴리올레핀계 필름으로 이루어진 군으로부터 선택된 하나 이상의 보호 필름이 추가로 형성되어 있는 편광판.
- 제17항에 있어서,보호층, 반사층, 방현층, 위상차판, 광시야각 보상필름 및 휘도 향상 필름으로 이루어지는 군으로부터 선택된 하나 이상의 기능성층을 추가로 포함하는 편광판.
- 제17항의 편광판이 액정 셀의 일면 또는 양면에 접합된 액정패널을 포함하는 액정표시장치.
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TW098100940A TWI393757B (zh) | 2008-01-14 | 2009-01-12 | 丙烯酸類壓敏性黏著劑組成物 |
AT09702625T ATE546504T1 (de) | 2008-01-14 | 2009-01-12 | Acrylhaftzusammensetzung |
JP2010542177A JP5421288B2 (ja) | 2008-01-14 | 2009-01-12 | アクリル系粘着剤組成物 |
CN200980102145XA CN101910347B (zh) | 2008-01-14 | 2009-01-12 | 丙烯酸粘合剂组合物 |
US12/812,736 US9482896B2 (en) | 2008-01-14 | 2009-01-12 | Acrylic adhesive composition |
PCT/KR2009/000152 WO2009091162A2 (ko) | 2008-01-14 | 2009-01-12 | 아크릴계 점착제 조성물 |
EP09702625A EP2233546B1 (en) | 2008-01-14 | 2009-01-12 | Acrylic adhesive composition |
US14/074,274 US9798185B2 (en) | 2008-01-14 | 2013-11-07 | Acrylic adhesive composition |
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EP (1) | EP2233546B1 (ko) |
JP (1) | JP5421288B2 (ko) |
KR (1) | KR101019064B1 (ko) |
CN (1) | CN101910347B (ko) |
AT (1) | ATE546504T1 (ko) |
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Cited By (4)
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KR20150072357A (ko) * | 2013-12-19 | 2015-06-29 | 닛뽕 카바이도 고교 가부시키가이샤 | 점착제 조성물, 점착제 부착 편광판 및 표시 장치 |
KR102246370B1 (ko) | 2013-12-19 | 2021-04-29 | 닛뽕 카바이도 고교 가부시키가이샤 | 점착제 조성물, 점착제 부착 편광판 및 표시 장치 |
WO2021045391A1 (ko) * | 2019-09-03 | 2021-03-11 | 주식회사 엘지화학 | 아크릴계 에멀젼 점착제 조성물 |
US11912909B2 (en) | 2019-09-03 | 2024-02-27 | Lg Chem, Ltd. | Acrylic emulsion pressure sensitive adhesive composition |
Also Published As
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US20140093662A1 (en) | 2014-04-03 |
EP2233546A4 (en) | 2010-12-15 |
CN101910347A (zh) | 2010-12-08 |
TW200936724A (en) | 2009-09-01 |
JP5421288B2 (ja) | 2014-02-19 |
TWI393757B (zh) | 2013-04-21 |
JP2011510114A (ja) | 2011-03-31 |
US20110043737A1 (en) | 2011-02-24 |
EP2233546A2 (en) | 2010-09-29 |
EP2233546B1 (en) | 2012-02-22 |
US9482896B2 (en) | 2016-11-01 |
WO2009091162A3 (ko) | 2009-11-05 |
WO2009091162A2 (ko) | 2009-07-23 |
US9798185B2 (en) | 2017-10-24 |
CN101910347B (zh) | 2013-02-06 |
KR20090078211A (ko) | 2009-07-17 |
ATE546504T1 (de) | 2012-03-15 |
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