基本信息:
- 专利标题： 폴리이미드 전구체, 폴리이미드 및 그 제조에 사용되는 재료
- 专利标题（英）：KR20210032015A - Polyimide precursor, polyimide, and materials to be used in producing same
- 申请号：KR20217007636 申请日：2011-07-22
- 公开(公告)号：KR20210032015A 公开(公告)日：2021-03-23
- 优先权： JP2010165368 2010-07-22; JP2010165367 2010-07-22; JP2010269053 2010-12-02; JP2010274277 2010-12-09; JP2010279547 2010-12-15; JP2011160371 2011-07-21; JP2011159850 2011-07-21; JP2011159837 2011-07-21
- 主分类号： C08G73/10
- IPC分类号： C08G73/10 ; C08L79/08 ; C09D179/08
A novel copolymerized polyimide precursor for obtaining a polyimide having high transparency is disclosed. This copolymerized polyimide precursor has a unit structure represented by the following general formula (A1) and a unit structure represented by the following general formula (A2).
[In formula (A1), R
1 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and R
2 and R
3 are all independently a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or an alkylsilyl group having 3 to 9 carbon atoms]
[In formula (A2), R
4 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and R
5 and R
6 are all independently hydrogen or an alkyl group having 1 to 6 carbon atoms or an alkylsilyl group having 3 to 9 carbon atoms, and X Represents a tetravalent group other than the following general formula (A3)]