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Patent Searching and Data


Title:
POLYIMIDE RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2020/184355
Kind Code:
A1
Abstract:
This polyimide resin composition contains: a polyimide resin (A) including a repeating constituent unit represented by formula (1) and a repeating constituent unit represented by formula (2), wherein the content ratio of the repeating constituent unit represented by formula (1) to the total of the repeating constituent unit represented by formula (1) and the repeating constituent unit represented by formula (2) is 20-70 mol%; and an antioxidant (B), wherein the antioxidant (B) contains a cerium-containing compound (B2) or at least one copper compound (B1) selected from the group consisting of copper fluoride, copper bromide, copper iodide, and copper carboxylate. (R1 represents a divalent group having 6-22 carbon atoms and including at least one alicyclic hydrocarbon structure. R2 represents a divalent linear aliphatic group having 5-16 carbon atoms. X1 and X2 each independently represent a tetravalent group having 6-22 carbon atoms and including at least one aromatic ring.)

Inventors:
SAKAI ATSUSHI (JP)
SATO YUUKI (JP)
Application Number:
PCT/JP2020/009296
Publication Date:
September 17, 2020
Filing Date:
March 05, 2020
Export Citation:
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Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
C08G73/10; C08K3/16; C08K5/098; C08L79/08
Domestic Patent References:
WO2016147996A12016-09-22
WO2016147997A12016-09-22
WO2018100324A12018-06-07
WO2016147996A12016-09-22
Foreign References:
JPS641763A1989-01-06
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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