Polyimide foam from mixture of silicon containing diamine and di

Details Polyimide foam from mixture of silicon containing diamine and di Polyimide foam from mixture of silicon containing diamine and di

1984-04-03

1985-08-13

Lee, Lester L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521180, 521189, 528 26, 528353, C08J 902

Patent

active

045350990

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 silicone. The polyimides of the invention are particularly useful in the preparation of flexible foams.

REFERENCES:
patent: 3492270 (1970-01-01), Parish
patent: 3553282 (1971-01-01), Holub
patent: 3740305 (1973-06-01), Hoback et al.
patent: 3812069 (1974-05-01), Boldebuck
patent: 4030948 (1977-06-01), Berger
patent: 4051163 (1977-09-01), Berger

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