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Title:
POLYIMIDE RESIN, POLYIMIDE VARNISH, AND POLYIMIDE FILM
Document Type and Number:
WIPO Patent Application WO/2022/091814
Kind Code:
A1
Abstract:
A polyimide resin containing a constituent unit A derived from a tetracarboxylic acid dianhydride and a constituent unit B derived from a diamine, wherein the constituent unit A includes a constituent unit (A1) derived from a tetracarboxylic acid dianhydride having a two-norbornane skeleton in each molecule, and the constituent unit B includes a constituent unit (B1) derived from a compound represented by formula (b1).

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Inventors:
ABIKO YOHEI (JP)
ISHII KENTARO (JP)
MURAYA TAKAHIRO (JP)
Application Number:
PCT/JP2021/038173
Publication Date:
May 05, 2022
Filing Date:
October 15, 2021
Export Citation:
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Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
C08G73/10; C08J5/18
Domestic Patent References:
WO2018097143A12018-05-31
WO2019065523A12019-04-04
Foreign References:
JP2019168680A2019-10-03
CN112708131A2021-04-27
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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