KR101201168B1 - 아크릴계 열가소성 수지, 및 광학 재료용 성형체 - Google Patents
아크릴계 열가소성 수지, 및 광학 재료용 성형체 Download PDFInfo
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Abstract
Description
Claims (19)
- 하기 식 (1)로 나타내는 메타크릴레이트 단량체 유래의 반복 단위, 하기 식 (2)로 나타내는 비닐 방향족 단량체 유래의 반복 단위, 하기 식 (3)으로 나타내는 방향족기를 갖는 메타크릴레이트 단량체 유래의 반복 단위, 및 하기 식 (4) 또는 하기 식 (5)로 나타내는 환상 산무수물 반복 단위를 함유하는 아크릴계 열가소성 수지로서,
GPC 측정법에 의한 중량 평균 분자량으로 70,000~400,000, 분자량 분포로 1.8~3.0의 범위에 있는 아크릴계 열가소성 수지:
(식 중: R1은 수소, 직쇄상 또는 분지쇄상의 탄소수 1~12의 알킬기 또는 탄소수 5~12의 시클로알킬기를 나타냄)
(식 중: R2는 수소 또는 메틸기를 나타내고, R3은 수소를 나타내고, l은 1~3의 정수를 나타냄)
(식 중: R4은 수소를 나타내고, m은 1~3의 정수, n은 0~2의 정수를 나타냄)
(식 중: R5, R6은 각각 동일하거나 상이할 수 있으며, 수소 또는 메틸기를 나타냄)
(식 중: R7, R8은 메틸기를 나타냄). - 제1항에 있어서, 식 (1)로 나타내는 메타크릴레이트 단량체 유래의 반복 단위가 10 중량%~70 중량%, 식 (2)로 나타내는 비닐 방향족 단량체 유래의 반복 단위가 5 중량%~40 중량%, 식 (3)으로 나타내는 방향족기를 갖는 메타크릴레이트 단량체 유래의 반복 단위가 0.1 중량%~5 중량%, 식 (4) 또는 식 (5)로 나타내는 환상 산무수물 반복 단위가 20 중량%~50 중량% 함유되는 것을 특징으로 하는 아크릴계 열가소성 수지.
- 제1항 또는 제2항에 있어서, 비닐 방향족 단량체 유래의 반복 단위의 함유량 (A)과 환상 산무수물 반복 단위의 함유량 (B)의 몰비(B/A)가, 1보다 크고, 10 이하인 것을 특징으로 하는 아크릴계 열가소성 수지.
- 제1항 또는 제2항에 있어서, 메타크릴레이트 단량체 유래의 반복 단위가 메타크릴산메틸, 비닐 방향족 단량체 유래의 반복 단위가 스티렌, 방향족기를 갖는 메타크릴레이트 단량체 유래의 반복 단위가 메타크릴산벤질, 환상 산무수물 반복 단위가 무수말레산으로부터 각각 유도되는 것인 아크릴계 열가소성 수지.
- 제1항 또는 제2항에 있어서, 하기 (i)의 광학적 성질을 만족하는 아크릴계 열가소성 수지:
(i) 광탄성 계수의 절대값이 3.0×10-12 Pa-1 이하임. - 제1항 또는 제2항에 있어서, 하기 (ⅱ)의 광학적 성질을 만족하는 것인 아크릴계 열가소성 수지:
(ⅱ) 연신한 경우의 복굴절[Δn(S)]과 연신 배율(S)과의 최소 제곱법 근사 직선 관계식 (a)에서, 기울기(K)의 값이 하기 식 (b)를 만족시킴.
Δn(S)=K×S+C…(a)
|K|<0.30×10-6…(b) - 제1항 또는 제2항에 있어서, 하기 (ⅲ)의 광학적 성질을 더 만족하는 것인 아크릴계 열가소성 수지:
(ⅲ) 면내 방향의 위상차(Re)의 절대값이 30 ㎚ 이하임. - 제1항 또는 제2항에 있어서, 하기 (ⅳ)의 광학적 성질을 더 만족하는 것인 아크릴계 열가소성 수지:
(ⅳ) 두께 방향의 위상차(Rth)의 절대값이 30 ㎚ 이하임. - 제1항 또는 제2항에 있어서, 하기 (v)의 광학적 성질을 더 만족하는 것인 아크릴계 열가소성 수지:
(v) 면내 방향의 위상차(Re)와 두께 방향의 위상차(Rth)와의 비(Rth/Re)가 하기 식 (c)를 만족시킴.
0.1<Rth/Re<1…(c) - 제1항 또는 제2항에 있어서, 하기의 조건 (ⅵ)을 더 만족하는 것을 특징으로 하는 아크릴계 열가소성 수지:
(ⅵ) 유리 전이 온도(Tg)가 120℃ 이상임. - 제1항 또는 제2항에 있어서, 하기의 조건 (ⅶ)을 더 만족하는 것을 특징으로 하는 아크릴계 열가소성 수지:
(ⅶ) 전체 광선 투과율이 85% 이상임. - 제1항 또는 제2항에 기재된 아크릴계 열가소성 수지를 포함하는 광학 재료용 성형체.
- 제12항에 있어서, 광학 재료용 성형체가 광학 필름인 것인 광학 재료용 성형체.
- 제13항에 있어서, 상기 광학 필름은 압출 성형으로 성형된 필름으로서, 적어도 1축 방향으로 연신된 것이고, 그 연신 배율이 0.1%~300%인 것을 특징으로 하는 광학 재료용 성형체.
- 제13항에 있어서, 상기 광학 필름은 캐스트 성형으로 성형된 필름으로서, 적어도 1축 방향으로 연신된 것이고, 그 연신 배율이 0.1%~300%인 것을 특징으로 하는 광학 재료용 성형체.
- 제13항에 기재된 광학 필름으로 이루어지는 편광판 보호 필름.
- 제13항에 기재된 광학 필름으로 이루어지는 위상차 필름.
- 제12항에 있어서, 광학 재료용 성형체가 광학 렌즈인 것인 광학 재료용 성형체.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007336187 | 2007-12-27 | ||
| JPJP-P-2007-336187 | 2007-12-27 | ||
| JP2008198687 | 2008-07-31 | ||
| JPJP-P-2008-198678 | 2008-07-31 | ||
| JPJP-P-2008-198687 | 2008-07-31 | ||
| JP2008198678 | 2008-07-31 | ||
| PCT/JP2008/073449 WO2009084541A1 (ja) | 2007-12-27 | 2008-12-24 | アクリル系熱可塑性樹脂、及び光学材料用成形体 |
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| KR20100097183A KR20100097183A (ko) | 2010-09-02 |
| KR101201168B1 true KR101201168B1 (ko) | 2012-11-13 |
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| US (1) | US8779076B2 (ko) |
| JP (1) | JP4717947B2 (ko) |
| KR (1) | KR101201168B1 (ko) |
| CN (1) | CN101910223B (ko) |
| TW (1) | TWI383999B (ko) |
| WO (1) | WO2009084541A1 (ko) |
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| JP2011053256A (ja) * | 2009-08-31 | 2011-03-17 | Nippon Shokubai Co Ltd | 光学積層体 |
| CN102906130B (zh) | 2010-05-28 | 2014-09-17 | 旭化成化学株式会社 | 热塑性丙烯酸系树脂及其成型体 |
| JP5789365B2 (ja) * | 2010-09-01 | 2015-10-07 | 旭化成イーマテリアルズ株式会社 | 光学フィルム |
| KR101269673B1 (ko) * | 2011-04-13 | 2013-05-30 | 주식회사 엘지화학 | 광학 필름용 수지 조성물 및 이를 이용한 광학 필름 |
| KR101409208B1 (ko) * | 2011-04-13 | 2014-06-20 | 주식회사 엘지화학 | 연속괴상중합법에 의한 광학 필름용 수지 조성물의 제조 방법, 이를 이용한 광학 필름의 제조 방법 및 편광판 제조 방법 |
| KR101270220B1 (ko) * | 2011-04-13 | 2013-05-30 | 주식회사 엘지화학 | 광학 필름용 아크릴계 공중합체 수지의 제조방법 및 이를 이용한 광학필름의 제조방법 |
| KR101508038B1 (ko) * | 2011-06-01 | 2015-04-08 | 주식회사 엘지화학 | 광학 필름용 수지 조성물 및 이를 이용한 광학 필름 |
| CN103596757B (zh) * | 2011-06-15 | 2016-03-30 | 柯尼卡美能达株式会社 | 水蒸气阻隔膜、及其制造方法以及使用了其的电子设备 |
| US10030134B2 (en) * | 2011-07-01 | 2018-07-24 | Asahi Kasei Kabushiki Kaisha | Acrylic thermoplastic resin composition and molded article thereof |
| JP5535167B2 (ja) * | 2011-10-04 | 2014-07-02 | 学校法人慶應義塾 | 光学フィルム及びそれを備える液晶表示装置 |
| CN104540860B (zh) * | 2012-07-30 | 2017-03-08 | 电化株式会社 | 用于提高甲基丙烯酸类树脂耐热性的共聚物 |
| JP2014112510A (ja) * | 2012-11-02 | 2014-06-19 | Nitto Denko Corp | 透明導電性フィルム |
| JP6682178B2 (ja) * | 2014-09-30 | 2020-04-15 | 株式会社日本触媒 | 樹脂組成物及びその製造方法 |
| KR101627975B1 (ko) * | 2015-07-20 | 2016-06-07 | 주식회사 엘지화학 | 인성이 우수한 아크릴계 광학 필름 및 이를 포함하는 박형 편광판 |
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2008
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- 2008-12-24 JP JP2009548047A patent/JP4717947B2/ja not_active Expired - Fee Related
- 2008-12-24 US US12/810,265 patent/US8779076B2/en active Active
- 2008-12-24 WO PCT/JP2008/073449 patent/WO2009084541A1/ja not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20100097183A (ko) | 2010-09-02 |
| US8779076B2 (en) | 2014-07-15 |
| JPWO2009084541A1 (ja) | 2011-05-19 |
| WO2009084541A1 (ja) | 2009-07-09 |
| JP4717947B2 (ja) | 2011-07-06 |
| CN101910223A (zh) | 2010-12-08 |
| CN101910223B (zh) | 2012-11-07 |
| US20110009585A1 (en) | 2011-01-13 |
| TW200930734A (en) | 2009-07-16 |
| TWI383999B (zh) | 2013-02-01 |
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