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Title:
POLYIMIDE RESIN
Document Type and Number:
Japanese Patent JP2014062255
Kind Code:
A
Abstract:

To provide an aromatic polyimide resin having a phenolic hydroxyl group, suitable as a binder for an electrode of a nonaqueous battery, and a method for using the same, the polyimide resin showing heat resistance, solvent resistance, and good adhesive strength to a powdery electrode material and a current collector, and also being able to contribute to improvement of battery characteristics.

An aromatic polyimide resin contains a phenolic hydroxyl group having, in its structure, a repeating unit represented by the following formula (1), and the resin is used in combination with an epoxy resin. (R1 represents a residue of diphenyl ether tetracarboxylic acid dianhydride; R2 represents a residue of bis(3-aminophenoxy)benzene; and R3 represents a residue of diamino-4,4'-dihydroxydiphenyl sulfone).


Inventors:
TANAKA RYUTARO
UCHIDA MAKOTO
AKATSUKA YASUMASA
Application Number:
JP2013224953A
Publication Date:
April 10, 2014
Filing Date:
October 30, 2013
Export Citation:
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Assignee:
NIPPON KAYAKU KK
International Classes:
C08G73/10; C08G59/62; H01M4/62
Domestic Patent References:
JP2011124175A2011-06-23
Foreign References:
WO2007046405A12007-04-26
WO2007100078A12007-09-07
WO2009037834A12009-03-26
WO2008126818A12008-10-23
WO2008018352A12008-02-14
WO2007148666A12007-12-27



 
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