- Patent Title: Poly(amide-imide) copolymer, composition for preparing poly(amide-imide) copolymer, article including poly(amide-imide) copolymer, and display device including the article
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Application No.: US16126250Application Date: 2018-09-10
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Publication No.: US11028227B2Publication Date: 2021-06-08
- Inventor: A Ra Jo , Chanjae Ahn , Sungwon Choi , Won Suk Chang , Boreum Jeong
- Applicant: SAMSUNG ELECTRONICS CO., LTD. , SAMSUNG SDI CO., LTD.
- Applicant Address: KR Suwon-si; KR Yongin-si
- Assignee: SAMSUNG ELECTRONICS CO., LTD.,SAMSUNG SDI CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.,SAMSUNG SDI CO., LTD.
- Current Assignee Address: KR Suwon-si; KR Yongin-si
- Agency: Cantor Colburn LLP
- Priority: KR10-2017-0115218 20170908
- Main IPC: C08G73/14
- IPC: C08G73/14 ; C08J5/18 ; B29C41/00 ; B29C41/46 ; C08G73/10 ; B29L7/00 ; B29K79/00
Abstract:
A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted linear aliphatic diamine including two terminals, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3: wherein, in Chemical Formulae 1 to 3, A, R3, R10, R12, R13, X, n7 and n8 are the same as defined in the specification.
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