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Title:
POLYIMIDE PRECURSOR COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2022/196664
Kind Code:
A1
Abstract:
A polyimide precursor composition comprising: a polyimide precursor that contains 70 mol% or more of a repeating unit represented by general formula (1) with respect to all of the repeating units; and an imidazole compound represented by general formula (2). (In formula (1), X1 is at least one tetravalent group having a norbornane skeleton, and R1 and R2 are each independently a hydrogen atom, a C1-6 alkyl group or a C3-9 alkylsilyl group. In formula (2), L1 and L2 are each independently a hydrogen atom, a C1-6 alkyl group, a carboxy group or a hydroxy group, and n is an integer of 1-4.)

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Inventors:
ABIKO YOHEI (JP)
ISHII KENTARO (JP)
MURAYA TAKAHIRO (JP)
Application Number:
PCT/JP2022/011454
Publication Date:
September 22, 2022
Filing Date:
March 15, 2022
Export Citation:
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Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
C08G73/10; C08J5/18; C08K5/3445; C08L79/08
Domestic Patent References:
WO2017209197A12017-12-07
Foreign References:
JP2018058918A2018-04-12
JP2018131486A2018-08-23
JP2019070813A2019-05-09
JPS6015426A1985-01-26
JPH10330615A1998-12-15
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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