KR102262507B1 - 폴리이미드 전구체 조성물 및 이를 이용하여 제조된 폴리이미드 필름 - Google Patents
폴리이미드 전구체 조성물 및 이를 이용하여 제조된 폴리이미드 필름 Download PDFInfo
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Abstract
Description
도 2는 필름의 표면저항 차이에 따른 코로나 방전에 의한 대전방전 특성을 설명한 그림이다.
도 3은 실시예 1 내지 3과 비교예 1 및 2에 따른 폴리이미드 필름의 코로나 방전 테스트에 의해 측정된 시간에 따른 포화 전압(saturated voltage)의 변화를 나타낸 그래프이다.
도 4는 실시예 1 내지 3과 비교예 1 및 2에 따른 폴리이미드 필름에 대한 코로나 방전 테스트에 의해 측정된 시간에 따른 정전기 감소율을 나타내는 그래프이다.
Claims (14)
- 제1항에 있어서,
상기 화학식 1에 결합된 말단 봉지기의 반응성기가 maleic계, 사이클로부탄계, 아세틸렌계, nadic 계, 에폭시계 또는 phenylethynyl계 중에서 선택되는 반응성 구조를 포함하는 것인 폴리이미드 전구체 조성물. - 삭제
- 제1항에 있어서,
상기 제1폴리아믹산과 제2 폴리아믹산은 파라-페닐렌디아민과 3,3',4,4'-비페닐카르복실산 이무수물의 반응 생성물을 포함하며, 상기 반응 생성물은 파라-페닐렌디아민을 3,3',4,4'-비페닐카르복실산 이무수물의 당량비보다 과량 반응시켜 얻은 것인 폴리이미드 전구체 조성물. - 제5항에 있어서,
상기 제1폴리아믹산은 파라-페닐렌디아민과 3,3',4,4'-비페닐카르복실산 이무수물을, 파라-페닐렌디아민 100 몰기준 반응성 말단 봉지제 1 내지 10몰 존재 하에 반응시킨 반응 생성물인 것인 폴리이미드 전구체 조성물. - 제1항 내지 제3항, 제5항 및 제6항 중 어느 한 항에 따른 폴리이미드 전구체 조성물의 경화 생성물을 포함하는 폴리이미드 필름.
- 제1항 내지 제3항, 제5항 및 제6항 중 어느 한 항에 따른 폴리이미드 전구체 조성물을 캐리어 기판 상에 도포하는 단계; 및
상기 폴리이미드 전구체 조성물을 가열 및 경화하는 단계를 포함하는 폴리이미드 필름 제조 방법. - 제7항에 있어서,
상기 폴리이미드 필름이 6㎛ 두께에서, 코로나 방전법으로 측정된 포화대전압이 1.3kV 이상이고, 반감기 시간이 135초 이상인 폴리이미드 필름. - 제7항에 따른 폴리이미드 필름을 기판으로 포함하는 플렉서블 디바이스.
- 제1항 내지 제3항, 제5항 및 제6항 중 어느 한 항의 폴리이미드 전구체 조성물을 캐리어 기판 상에 도포하는 단계;
상기 폴리이미드 전구체 조성물을 가열하여 폴리아믹산을 이미드화함으로써 폴리이미드 필름을 형성하는 단계;
상기 폴리이미드 필름 상에 소자를 형성하는 단계; 및
상기 소자가 형성된 폴리이미드 필름을 상기 캐리어 기판으로부터 박리하는 단계를 포함하는 플렉서블 디바이스의 제조공정. - 제13항에 있어서,
상기 제조공정이 LTPS(저온 폴리실리콘) 공정, ITO 공정 또는 Oxide 공정을 포함하는 것인 플렉서블 디바이스의 제조공정.
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TW109103747A TWI737158B (zh) | 2019-02-14 | 2020-02-06 | 聚亞醯胺前驅物組成物、聚亞醯胺膜及其製備方法、可撓性設備及其製備製程 |
US17/297,854 US12129337B2 (en) | 2019-02-14 | 2020-02-10 | Polyimide precursor composition and polyimide film manufactured using same |
CN202080006054.2A CN112969741B (zh) | 2019-02-14 | 2020-02-10 | 聚酰亚胺前体组合物和使用其制造的聚酰亚胺膜 |
PCT/KR2020/001842 WO2020166913A1 (ko) | 2019-02-14 | 2020-02-10 | 폴리이미드 전구체 조성물 및 이를 이용하여 제조된 폴리이미드 필름 |
JP2021524393A JP7164083B2 (ja) | 2019-02-14 | 2020-02-10 | ポリイミド前駆体組成物及びそれを用いて製造されたポリイミドフィルム |
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KR102596071B1 (ko) * | 2022-01-20 | 2023-10-30 | 동우 화인켐 주식회사 | 폴리이미드 전구체 조성물, 이로부터 형성된 폴리이미드 필름, 및 이를 이용한 반도체 소자의 제조 방법 |
CN115895254B (zh) * | 2022-11-23 | 2024-09-10 | 中国科学院化学研究所 | 一种聚酰亚胺泡沫材料及其制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101907320B1 (ko) * | 2017-09-04 | 2018-10-11 | 주식회사 엘지화학 | 플렉서블 디스플레이 소자 기판용 폴리이미드 필름 |
KR101906394B1 (ko) * | 2017-11-10 | 2018-10-11 | 에스케이씨코오롱피아이 주식회사 | 초박막 블랙 폴리이미드 필름 및 이의 제조방법 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02224824A (ja) * | 1989-02-28 | 1990-09-06 | Mitsubishi Heavy Ind Ltd | 波形管の製造方法 |
US5115090A (en) * | 1990-03-30 | 1992-05-19 | Sachdev Krishna G | Viscosity stable, essentially gel-free polyamic acid compositions |
US5310862A (en) * | 1991-08-20 | 1994-05-10 | Toray Industries, Inc. | Photosensitive polyimide precursor compositions and process for preparing same |
JP3444035B2 (ja) * | 1995-08-01 | 2003-09-08 | 宇部興産株式会社 | ポリイミドフィルム |
US5741598A (en) * | 1995-08-01 | 1998-04-21 | Ube Industries, Ltd. | Polyimide/metal composite sheet |
KR100523257B1 (ko) | 2000-12-29 | 2005-10-24 | 삼성전자주식회사 | 포지티브형 감광성 폴리이미드 전구체 및 이를 포함하는조성물 |
JP3773845B2 (ja) | 2000-12-29 | 2006-05-10 | 三星電子株式会社 | ポジティブ型感光性ポリイミド前駆体およびこれを含む組成物 |
KR100753745B1 (ko) | 2002-04-29 | 2007-08-31 | 삼성전자주식회사 | 포지티브형 감광성 폴리이미드 전구체 조성물 |
KR20070058812A (ko) | 2005-12-05 | 2007-06-11 | 주식회사 코오롱 | 폴리이미드 필름 |
KR100786185B1 (ko) | 2005-12-07 | 2007-12-21 | 마이크로코즘 테크놀리지 씨오.,엘티디 | 폴리아믹산 조성물 및 이를 이용하여 제조된 적층체 |
JP2008235515A (ja) | 2007-03-20 | 2008-10-02 | Toyobo Co Ltd | 回路基板とその製造方法 |
US8182608B2 (en) | 2007-09-26 | 2012-05-22 | Eastman Kodak Company | Deposition system for thin film formation |
JP2010186134A (ja) | 2009-02-13 | 2010-08-26 | Asahi Kasei E-Materials Corp | 感光性樹脂組成物及びそれを用いた回路基板 |
WO2012043186A1 (ja) | 2010-09-28 | 2012-04-05 | 東レ株式会社 | 樹脂組成物およびその製造方法 |
JP5862866B2 (ja) | 2011-05-30 | 2016-02-16 | 東洋紡株式会社 | 積層体の作成方法および、この積層体を利用したフィルムデバイスの作成方法 |
JP5845911B2 (ja) | 2012-01-13 | 2016-01-20 | 宇部興産株式会社 | ポリイミド前駆体水溶液組成物、及びポリイミド前駆体水溶液組成物の製造方法 |
JP5846136B2 (ja) | 2013-01-31 | 2016-01-20 | 富士ゼロックス株式会社 | ポリイミド前駆体組成物、及びポリイミド前駆体組成物の製造方法 |
JP6245252B2 (ja) | 2013-03-13 | 2017-12-13 | 宇部興産株式会社 | 絶縁被覆層の製造方法 |
KR102262746B1 (ko) | 2015-01-30 | 2021-06-10 | 에스케이이노베이션 주식회사 | 폴리아믹산 조성물 및 폴리이미드 기재 |
JP6241557B2 (ja) | 2015-12-11 | 2017-12-06 | 東レ株式会社 | 樹脂組成物、樹脂の製造方法、樹脂組成物の製造方法、樹脂膜の製造方法および電子デバイスの製造方法 |
KR102463845B1 (ko) | 2015-12-24 | 2022-11-04 | 주식회사 두산 | 접착력이 향상된 폴리아믹산 조성물 및 이를 포함하는 폴리이미드 필름 |
KR102531268B1 (ko) | 2015-12-31 | 2023-05-12 | 주식회사 동진쎄미켐 | 폴리이미드 필름 제조용 조성물, 이의 제조 방법 및 이를 이용한 폴리이미드 필름의 제조 방법 |
KR102067856B1 (ko) | 2016-04-04 | 2020-01-17 | 주식회사 엘지화학 | 폴리이미드 전구체 조성물 및 이로부터 제조된 투명 폴리이미드 필름 |
JP6988094B2 (ja) | 2017-01-27 | 2022-01-05 | 富士フイルムビジネスイノベーション株式会社 | ポリイミド前駆体組成物、及びポリイミド成形体の製造方法 |
US11485859B2 (en) | 2017-09-04 | 2022-11-01 | Lg Chem, Ltd. | Polyimide film for flexible display device substrate |
US20200407593A1 (en) * | 2017-12-28 | 2020-12-31 | Ube Industries, Ltd. | Polyimide precursor resin composition for forming flexible device substrate |
-
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