Title:
POLYIMIDESILOXANE
Document Type and Number:
Japanese Patent JP3147166
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a polyimidesiloxane having good flex resistance, heat resistance, and electrical insulation properties.
SOLUTION: There is provided a soluble polyimidesiloxane obtained by the polymerization and imidization of (A) an aromatic tetracarboxylic acid component based on a biphenyltetracarboxylic acid such as 2,3,3',4'- or 3,3',4,4'- biphenyltetracarboxylic acid or acid dianhydride or an acid derivative thereof and (B) a diamine component comprising 50-90 mol.% (a) diaminopolysiloxane and (b) 10-50 mol % 2,2-bis[4-(4-aminophenoxy)phenyl]propane in an organic polar solvent.
Inventors:
Hiroshi Anno
Kohei Nakashima
Mitsushi Taguchi
Kohei Nakashima
Mitsushi Taguchi
Application Number:
JP31894998A
Publication Date:
March 19, 2001
Filing Date:
November 10, 1998
Export Citation:
Assignee:
Ube Industries,Ltd.
International Classes:
C08G77/455; C08G73/10; H05K3/28; (IPC1-7): C08G73/10; C08G77/455
Domestic Patent References:
| JP288677A |