KR20200036619A - 아크릴계 점착제 조성물, 편광판 및 디스플레이 장치 - Google Patents
아크릴계 점착제 조성물, 편광판 및 디스플레이 장치 Download PDFInfo
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
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- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
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- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
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Abstract
Description
| 구분 | 제조예 | |||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
| 아크릴계 공중합체 | A-1 | A-2 | A-3 | A-4 | A-5 | A-6 | A-7 | |
| 조성 (중량부) |
BA | 81 | 80 | 70 | 94 | 95 | 95 | 95 |
| HEA | 5 | 5 | 5 | 1 | 5 | - | - | |
| AAEM | 5 | 5 | 5 | 5 | - | - | - | |
| MMA | 5 | 5 | 5 | - | - | - | - | |
| DCPMA | 4 | 4 | 4 | - | - | - | - | |
| AA | - | 1 | 1 | - | - | 5 | 5 | |
| PEA | - | - | 10 | - | - | - | - | |
| Mw(g/mol) | 165만 | 170만 | 160만 | 170만 | 180만 | 190만 | 200만 | |
| 구분 | 실시예 | 비교예 | |||||||||
| 1 | 2 | 3 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
| (A) 아크릴계 공중합체 (중량부) |
A-1 | 100 | 100 | 100 | |||||||
| A-2 | 100 | ||||||||||
| A-3 | 100 | ||||||||||
| A-4 | 100 | ||||||||||
| A-5 | 100 | 100 | |||||||||
| A-6 | 100 | ||||||||||
| A-7 | 100 | ||||||||||
| (B) 경화제 (중량부) |
B-1 | 0.5 | 0.5 | 0.5 | 0.3 | 1 | 1 | 1 | 1 | 0.3 | |
| B-2 | 0.3 | 0.3 | 0.3 | 0.5 | 0.5 | 1 | 0.5 | ||||
| B-3 | 0.1 | 0.1 | |||||||||
| (C) 실란 커플링제 (중량부) |
0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
| (D) 알칼리 금속염(중량부) | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | |
| 유리전이온도(Tg) | -25 | -23 | -20 | -45 | -43 | -36 | -32 | -40 | -37 | -45 | |
| 밀림거리 | 1일 후 | 135 | 122 | 122 | 704 | 546 | 250 | 153 | 170 | 200 | 880 |
| 6일 후 | 115 | 110 | 112 | 323 | 211 | 190 | 110 | 160 | 137 | 301 | |
| 상온 점착력 |
3일 후 | 337 | 975 | 364 | 270 | 514 | 904 | 552 | 345 | 346 | 828 |
| 6일 후 | 257 | 750 | 231 | 213 | 400 | 723 | 432 | 204 | 319 | 570 | |
| 숙성 후 점착력 |
24시간 | 3,054 | 3,292 | 3,024 | 2,820 | 2,520 | 3,567 | 4,829 | 2,350 | 3,154 | 2,150 |
| 250시간 | 2,697 | 2,895 | 2,794 | 2,391 | 2,286 | 2,406 | 4,820 | 2,020 | 2,714 | 1,770 | |
| 내구성 | 80℃ | OK | OK | OK | OK | NG | OK | OK | OK | NG | NG |
| 110℃ | OK | OK | OK | NG | NG | NG | OK | NG | NG | NG | |
| 겔 분율 | 6일 후 | 91 | 92 | 91 | 90 | 78 | 83 | 90 | 75 | 91 | 70 |
| 부식성 | OK | OK | OK | OK | OK | NG | NG | OK | OK | OK | |
| 빛샘 | ○ | ○ | ◎ | X | X | ○ | ○ | X | X | X | |
Claims (15)
- 아세토아세틸기를 포함하는 (메트)아크릴계 단량체, 히드록시기를 포함하는 (메트)아크릴계 단량체, 지환족기를 포함하는 (메트)아크릴레이트 단량체 및 알킬 (메트)아크릴레이트계 단량체를 포함하는 단량체 혼합물을 중합하여 형성되는 아크릴계 공중합체; 및
금속 킬레이트 화합물과 이소시아네이트계 화합물을 포함하는 경화제를 포함하는 아크릴계 점착제 조성물이며,
상기 아크릴계 점착제 조성물은 경화 후 유리전이온도가 -30℃ 이상인 아크릴계 점착제 조성물.
- 제1항에 있어서,
상기 단량체 혼합물은, 상기 단량체 혼합물 100중량부에 대하여,
상기 아세토아세틸기를 포함하는 (메트)아크릴계 단량체 1 내지 40중량부,
상기 히드록시기를 포함하는 (메트)아크릴계 단량체 1 내지 10중량부,
상기 지환족기를 포함하는 (메트)아크릴레이트계 단량체 1 내지 10중량부, 및
상기 알킬 (메트)아크릴레이트계 단량체 40 내지 97중량부를 포함하는 것인 아크릴계 점착제 조성물.
- 제1항에 있어서,
상기 단량체 혼합물은 방향족기를 포함하는 (메트)아크릴레이트계 단량체를 더 포함하는 것인 아크릴계 점착제 조성물.
- 제3항에 있어서,
상기 단량체 혼합물은, 상기 단량체 혼합물 100중량부에 대하여,
상기 아세토아세틸기를 포함하는 (메트)아크릴계 단량체 1 내지 40중량부,
상기 히드록시기를 포함하는 (메트)아크릴계 단량체 1 내지 10중량부,
상기 지환족기를 포함하는 (메트)아크릴레이트계 단량체 1 내지 10중량부,
상기 방향족기를 포함하는 (메트)아크릴레이트계 단량체 1 내지 20중량부 및
상기 알킬 (메트)아크릴레이트계 단량체 40 내지 96중량부를 포함하는 것인 아크릴계 점착제 조성물.
- 제1항에 있어서,
상기 단량체 혼합물은 카르복시기 함유 단량체를 더 포함하는 것인 아크릴계 점착제 조성물.
- 제5항에 있어서,
상기 카르복시기 함유 단량체는 단량체 혼합물 100중량부에 대하여 3중량부 이하로 포함되는 것인 아크릴계 점착제 조성물.
- 제1항에 있어서,
상기 아크릴계 공중합체는 중합 전환율이 70% 내지 90%인 아크릴계 점착제 조성물.
- 제1항에 있어서,
상기 아크릴계 공중합체는 중량평균분자량이 1,000,000 내지 2,000,000인 아크릴계 점착제 조성물.
- 제1항에 있어서,
상기 경화제는 상기 아크릴계 공중합체 100중량부에 대하여 0.1 내지 2중량부로 포함되는 아크릴계 점착제 조성물.
- 제1항에 있어서,
상기 아크릴계 점착제 조성물은 알칼리 금속염을 더 포함하는 아크릴계 점착제 조성물.
- 제1항에 있어서,
상기 아크릴계 점착제 조성물은 상기 아크릴계 공중합체 100중량부에 대하여 0.01 내지 5중량부의 리튬염을 더 포함하고,
상기 아크릴계 공중합체의 산가가 10 이하이며,
상기 경화제가 아크릴계 공중합체 100중량부에 대하여 0.1 내지 2중량부로 포함되는 아크릴계 점착제 조성물.
- 제1항에 있어서,
상기 점착제 조성물은 경화 후 겔 분율이 90% 이상인 아크릴계 점착제 조성물.
- 편광 필름; 및
상기 편광 필름의 일면 또는 양면에 형성되고, 상기 청구항 1 내지 12 중 어느 한 항의 아크릴계 점착제 조성물의 경화물을 포함하는 점착층을 포함하는 편광판.
- 청구항 13의 편광판을 포함하는 디스플레이 장치.
- 제13항에 있어서,
상기 디스플레이 장치는 상기 편광판 상에 배치되는 터치 패널을 더 포함하는 것인 디스플레이 장치.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180116476A KR102434825B1 (ko) | 2018-09-28 | 2018-09-28 | 아크릴계 점착제 조성물, 편광판 및 디스플레이 장치 |
| EP19866646.3A EP3708629A4 (en) | 2018-09-28 | 2019-02-14 | ACRYLIC ADHESIVE COMPOSITION, POLARIZING PLATE AND DISPLAY DEVICE |
| JP2020530374A JP6991644B2 (ja) | 2018-09-28 | 2019-02-14 | アクリル系粘着剤組成物、偏光板、およびディスプレイ装置 |
| US16/954,800 US11492523B2 (en) | 2018-09-28 | 2019-02-14 | Acryl-based adhesive composition, polarizing plate, and display device |
| PCT/KR2019/001842 WO2020067613A1 (ko) | 2018-09-28 | 2019-02-14 | 아크릴계 점착제 조성물, 편광판 및 디스플레이 장치 |
| CN201980006734.1A CN111511866B (zh) | 2018-09-28 | 2019-02-14 | 丙烯酸类粘合剂组合物、偏振板和显示装置 |
| TW108106301A TWI752302B (zh) | 2018-09-28 | 2019-02-25 | 丙烯酸系黏著組成物、偏光板及顯示器裝置 |
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| US (1) | US11492523B2 (ko) |
| EP (1) | EP3708629A4 (ko) |
| JP (1) | JP6991644B2 (ko) |
| KR (1) | KR102434825B1 (ko) |
| CN (1) | CN111511866B (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20210157705A (ko) * | 2020-06-22 | 2021-12-29 | 주식회사 엘지화학 | 수성 아크릴계 점착제 조성물, 이의 제조 방법, 이를 사용하여 제조된 점착 부재 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116751333B (zh) * | 2023-06-26 | 2024-12-13 | 浙江精一新材料科技有限公司 | 一种用于光阀的二羰基丙烯酸酯系共聚物及光阀 |
| KR20250066300A (ko) * | 2023-11-06 | 2025-05-13 | 삼성에스디아이 주식회사 | 점착 필름, 광학 부재 및 광학표시장치 |
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2018
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2019
- 2019-02-14 CN CN201980006734.1A patent/CN111511866B/zh active Active
- 2019-02-14 WO PCT/KR2019/001842 patent/WO2020067613A1/ko not_active Ceased
- 2019-02-14 JP JP2020530374A patent/JP6991644B2/ja active Active
- 2019-02-14 EP EP19866646.3A patent/EP3708629A4/en not_active Withdrawn
- 2019-02-14 US US16/954,800 patent/US11492523B2/en active Active
- 2019-02-25 TW TW108106301A patent/TWI752302B/zh active
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| KR101183790B1 (ko) * | 2004-09-16 | 2012-09-17 | 닛토덴코 가부시키가이샤 | 점착제 조성물, 점착 시트류 및 표면 보호 필름 |
| KR20090077685A (ko) * | 2008-01-11 | 2009-07-15 | 주식회사 엘지화학 | 점착제 조성물, 상기를 포함하는 편광판 및 액정표시장치 |
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| JP2017025128A (ja) * | 2015-07-16 | 2017-02-02 | 綜研化学株式会社 | 偏光板用粘着剤組成物および粘着剤層付き偏光板 |
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| KR20210157705A (ko) * | 2020-06-22 | 2021-12-29 | 주식회사 엘지화학 | 수성 아크릴계 점착제 조성물, 이의 제조 방법, 이를 사용하여 제조된 점착 부재 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3708629A4 (en) | 2020-11-04 |
| TW202012577A (zh) | 2020-04-01 |
| EP3708629A1 (en) | 2020-09-16 |
| WO2020067613A1 (ko) | 2020-04-02 |
| KR102434825B1 (ko) | 2022-08-22 |
| TWI752302B (zh) | 2022-01-11 |
| US20210095169A1 (en) | 2021-04-01 |
| CN111511866B (zh) | 2022-04-15 |
| JP2021505714A (ja) | 2021-02-18 |
| CN111511866A (zh) | 2020-08-07 |
| JP6991644B2 (ja) | 2022-01-13 |
| US11492523B2 (en) | 2022-11-08 |
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