Polyimide foam and process for the preparation of same

Details Polyimide foam and process for the preparation of same Polyimide foam and process for the preparation of same

1985-01-29

1985-12-31

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

264321, 4283188, 521 51, 521185, B32B 514, B32B 518

Patent

active

045621128

ABSTRACT:
A polyimide and a process for its preparation wherein the polyimide is prepared from reaction of an organic tetracarboxylic acid or derivative thereof with a mixture of an aromatic diamine and an amine-terminated butadiene-nitrile copolymer. The polyimides of the invention are particularly useful in the preparation of flexible foams.

REFERENCES:
patent: 3906137 (1975-09-01), Bauer

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