KR102486598B1 - 점착제 조성물, 이로부터 형성된 점착층 및 이를 포함하는 광학표시장치 - Google Patents
점착제 조성물, 이로부터 형성된 점착층 및 이를 포함하는 광학표시장치 Download PDFInfo
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Abstract
Description
| 실시예 | |||||||
| 1 | 2 | 3 | 4 | 5 | 6 | ||
| 프리폴리머 | EHA | 83 | 83 | 83 | 83 | 83 | 83 |
| HBA | 17 | 17 | 17 | 17 | 17 | - | |
| HEA | - | - | - | - | - | 17 | |
| 사슬 이동제(ppm) | 100 | 100 | 100 | 100 | 100 | 100 | |
| Mw | 100만 | 100만 | 100만 | 100만 | 100만 | 100만 | |
| 점도@40℃(Paㆍs) | 0.038 | 0.038 | 0.038 | 0.038 | 0.038 | 0.041 | |
| (메트) 아크릴레이트 |
① | 30 | - | - | - | - | - |
| ② | - | 30 | - | - | - | - | |
| ③ | - | - | 20 | - | - | - | |
| ④ | - | - | - | 30 | 30 | 30 | |
| 개시제 | Irgacure 127 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| TPO | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
| 가교제 | HDDA | 0.2 | 0.2 | 0.2 | 0.2 | - | 0.2 |
| TMPTA | - | - | - | - | 0.2 | - | |
| 점도(@40℃, Paㆍs) | 0.026 | 0.033 | 0.026 | 0.031 | 0.031 | 0.037 | |
| 박리강도(gf/in) | 1000 | 850 | 700 | 1100 | 950 | 1030 | |
| 모듈러스 (MPa) |
@-20℃ | 0.087 | 0.076 | 0.081 | 0.201 | 0.235 | 0.181 |
| @25℃ | 0.040 | 0.010 | 0.010 | 0.016 | 0.019 | 0.031 | |
| @80℃ | 0.004 | 0.005 | 0.009 | 0.006 | 0.009 | 0.010 | |
| 굴곡성 | @-20℃ | ○ | ○ | ○ | ○ | ○ | ○ |
| 잉크젯 프린트 공정성 | ○ | ○ | ○ | ○ | ○ | ○ | |
| 비교예 | |||||
| 1 | 2 | 3 | 4 | ||
| 단량체 혼합물 |
EHA | 83 | 83 | 83 | 83 |
| HBA | 17 | 17 | 17 | 17 | |
| HEA | - | - | - | - | |
| 사슬 이동제(ppm) | - | 100 | 100 | 100 | |
| Mw | 200만 | 100만 | 100만 | 100만 | |
| 점도(@40℃, Paㆍs) | 1.96 | 0.033 | 0.035 | 0.036 | |
| (메트) 아크릴레이트 |
① | - | - | - | - |
| ② | - | - | - | - | |
| ③ | - | - | - | - | |
| ④ | 30 | - | - | - | |
| ⑤ | - | 30 | - | - | |
| ⑥ | - | - | 30 | - | |
| 개시제 | Irgacure 127 | 0.3 | 0.3 | 0.3 | 0.3 |
| TPO | 0.2 | 0.2 | 0.2 | 0.2 | |
| 가교제 | HDDA | 0.2 | 0.2 | 0.2 | 0.2 |
| 점도(@40℃, Paㆍs) | 1.96 | 0.032 | 0.033 | 0.035 | |
| 박리강도(gf/in) | 300 | 290 | 350 | 310 | |
| 모듈러스 (MPa) |
@-20℃ | 0.381 | 0.031 | 0.412 | 0.157 |
| @25℃ | 0.025 | 0.004 | 0.036 | 0.056 | |
| @80℃ | 0.020 | 0.002 | 0.026 | 0.040 | |
| 굴곡성 | @-20℃ | X | X | X | X |
| 잉크젯 프린트 공정성 | X | ○ | ○ | ○ | |
Claims (13)
- 점착제 조성물로서, 상기 점착제 조성물은
(i)수산기와 알킬기를 갖는 (메트)아크릴계 프리폴리머; 및 (ii)방향족기 함유 (메트)아크릴레이트, 지환족기 함유 (메트)아크릴레이트, 헤테로지환족기 함유 (메트)아크릴레이트 중 1종 이상을 포함하고,
상기 점착제 조성물은 40℃에서 전단 점도(shear viscosity)가 0.04Paㆍs 이하이고,
상기 점착제 조성물로 형성된 점착층은 -20℃에서의 모듈러스가 0.3MPa 이하이고,
상기 점착층은 박리강도가 400gf/in 이상인 것인, 점착제 조성물.
- 제1항에 있어서, 상기 점착제 조성물은 무용제형의 액상인 것인, 점착제 조성물.
- 제1항에 있어서, 상기 수산기와 알킬기를 갖는 (메트)아크릴계 프리폴리머는 수산기를 갖는 (메트)아크릴레이트 10중량% 내지 40중량%, 알킬기를 갖는 (메트)아크릴레이트 60중량% 내지 90중량%를 포함하는 단량체 혼합물의 (메트)아크릴계 프리폴리머를 포함하는 것인, 점착제 조성물.
- 제1항에 있어서, 상기 수산기와 알킬기를 갖는 (메트)아크릴계 프리폴리머는 중량평균분자량이 150만 이하인 것인, 점착제 조성물.
- 제1항에 있어서, 상기 수산기와 알킬기를 갖는 (메트)아크릴계 프리폴리머는 40℃에서 전단 점도가 0.05Paㆍs 이하인 것인, 점착제 조성물.
- 제1항에 있어서, 상기 방향족기 함유 (메트)아크릴레이트, 지환족기 함유 (메트)아크릴레이트, 헤테로지환족기 함유 (메트)아크릴레이트 중 1종 이상은 상기 수산기와 알킬기를 갖는 (메트)아크릴계 프리폴리머 100중량부에 대해 15중량부 이상으로 포함되는 것인, 점착제 조성물.
- 제1항에 있어서, 상기 방향족기 함유 (메트)아크릴레이트는 벤질 (메트)아크릴레이트, 페녹시에틸 (메트)아크릴레이트 중 1종 이상을 포함하는 것인, 점착제 조성물.
- 제1항에 있어서, 상기 지환족기 함유 (메트)아크릴레이트는 디시클로펜타닐 (메트)아크릴레이트, 디시클로펜테닐옥시에틸 (메트)아크릴레이트 중 1종 이상을 포함하는 것인, 점착제 조성물.
- 제1항에 있어서, 상기 헤테로지환족기 함유 (메트)아크릴레이트는 테트라히드로퍼푸릴 (메트)아크릴레이트, 시클릭 트리메틸올프로판 포르말 (메트)아크릴레이트 중 1종 이상을 포함하는 것인, 점착제 조성물.
- 제1항에 있어서, 상기 점착제 조성물은 개시제, 가교제 중 1종 이상을 더 포함하는 것인, 점착제 조성물.
- 제1항 내지 제11항 중 어느 한 항의 점착제 조성물로 형성된 경화물을 포함하는 점착층.
- 제12항의 점착층을 포함하는 것인, 광학표시장치.
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| KR1020200042438A KR102486598B1 (ko) | 2020-04-07 | 2020-04-07 | 점착제 조성물, 이로부터 형성된 점착층 및 이를 포함하는 광학표시장치 |
| CN202180040748.2A CN115916918B (zh) | 2020-04-07 | 2021-04-06 | 粘合剂组合物、由其形成的粘合层以及包含其的光学显示装置 |
| PCT/KR2021/004265 WO2021206411A1 (ko) | 2020-04-07 | 2021-04-06 | 점착제 조성물, 이로부터 형성된 점착층 및 이를 포함하는 광학표시장치 |
| US17/995,828 US12552964B2 (en) | 2020-04-07 | 2021-04-06 | Adhesive composition, adhesive layer formed therefrom, and optical display device comprising same |
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| KR1020200042438A KR102486598B1 (ko) | 2020-04-07 | 2020-04-07 | 점착제 조성물, 이로부터 형성된 점착층 및 이를 포함하는 광학표시장치 |
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| KR20210124857A KR20210124857A (ko) | 2021-10-15 |
| KR102486598B1 true KR102486598B1 (ko) | 2023-01-09 |
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| KR (1) | KR102486598B1 (ko) |
| CN (1) | CN115916918B (ko) |
| WO (1) | WO2021206411A1 (ko) |
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| KR102900743B1 (ko) * | 2022-11-24 | 2025-12-16 | 주식회사 영우 | 신뢰성이 우수한 폴더블 표시장치용 양면테이프 |
| JP7610764B2 (ja) * | 2022-12-01 | 2025-01-08 | 積水化学工業株式会社 | 印刷用光硬化型粘着剤組成物、硬化物、及び、積層体 |
| TWI858798B (zh) * | 2023-06-30 | 2024-10-11 | 明基材料股份有限公司 | 光學黏著組合物及其製得之光學膠膜 |
| KR102938751B1 (ko) * | 2024-03-13 | 2026-03-12 | 도레이첨단소재 주식회사 | 점착 조성물 및 점착 필름 |
| CN118599451A (zh) * | 2024-06-04 | 2024-09-06 | 广东皇冠新材料科技有限公司 | 耐弯折的光学胶粘剂 |
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| US5900473A (en) | 1997-06-16 | 1999-05-04 | H.B. Fuller Licensing & Financing, Inc. | Radiation curable pressure sensitive adhesives |
| KR100813388B1 (ko) | 2005-11-24 | 2008-03-12 | 주식회사 엘지화학 | 아크릴계 점착제 조성물 |
| KR101171977B1 (ko) * | 2008-06-05 | 2012-08-08 | 주식회사 엘지화학 | 아크릴계 점착제 조성물, 이를 포함하는 편광판 및액정표시장치 |
| WO2013055015A1 (ko) | 2011-10-11 | 2013-04-18 | 제일모직 주식회사 | 점착제 조성물, 점착필름, 그 제조방법 및 이를 이용한 디스플레이 부재 |
| KR101685520B1 (ko) | 2014-12-10 | 2016-12-12 | 고오 가가쿠고교 가부시키가이샤 | 액상 솔더 레지스트 조성물 및 피복 프린트 배선판 |
| JP6626295B2 (ja) * | 2015-09-09 | 2019-12-25 | キヤノン株式会社 | 画像符号化装置、画像処理装置、画像符号化方法 |
| KR101871551B1 (ko) * | 2015-10-30 | 2018-06-28 | 삼성에스디아이 주식회사 | 점착필름, 이를 포함하는 광학부재 및 이를 포함하는 광학표시장치 |
| KR101962999B1 (ko) * | 2015-12-14 | 2019-03-27 | 삼성에스디아이 주식회사 | 점착필름, 이를 포함하는 광학부재 및 이를 포함하는 광학표시장치 |
| JP6807081B2 (ja) | 2017-04-18 | 2021-01-06 | 協立化学産業株式会社 | 相溶組成物、接着剤組成物、複合構造物並びに複合構造物の製造方法及び解体方法 |
| JP6566324B2 (ja) * | 2017-09-29 | 2019-08-28 | サイデン化学株式会社 | 粘着シート |
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- 2021-04-06 CN CN202180040748.2A patent/CN115916918B/zh active Active
- 2021-04-06 WO PCT/KR2021/004265 patent/WO2021206411A1/ko not_active Ceased
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| Publication number | Publication date |
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| WO2021206411A1 (ko) | 2021-10-14 |
| KR20210124857A (ko) | 2021-10-15 |
| US20230151246A1 (en) | 2023-05-18 |
| CN115916918A (zh) | 2023-04-04 |
| CN115916918B (zh) | 2026-02-27 |
| US12552964B2 (en) | 2026-02-17 |
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