Invention Grant
- Patent Title: Precursor composition for polyimide and use thereof
- Patent Title (中): 聚酰亚胺的前体组合物及其用途
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Application No.: US12572398Application Date: 2009-10-02
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Publication No.: US08735534B2Publication Date: 2014-05-27
- Inventor: Chung-Jen Wu , Pi-Jen Cheng
- Applicant: Chung-Jen Wu , Pi-Jen Cheng
- Applicant Address: TW Kaohsiung
- Assignee: Eternal Chemical Co., Ltd.
- Current Assignee: Eternal Chemical Co., Ltd.
- Current Assignee Address: TW Kaohsiung
- Agency: Shimokaji & Associates P.C.
- Priority: TW97151913A 20081231
- Main IPC: C08G73/10
- IPC: C08G73/10 ; C08G73/12 ; C08L79/08
Abstract:
The present invention provides a precursor composition for polyimides, said composition comprising an amic acid oligomer of formula (1) and a dianhydride derivative with ester (—C(O)OR) and carboxy (—C(O)OH) terminal groups of formula (2): wherein R, G, G1, P, D and m are as defined in the specification. The invention also provides polyimides synthesized from the above-mentioned precursor composition.
Public/Granted literature
- US20100168265A1 PRECURSOR COMPOSITION FOR POLYIMIDE AND USE THEREOF Public/Granted day:2010-07-01
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