Silicone-polyimides, and method for making

Details Silicone-polyimides, and method for making Silicone-polyimides, and method for making

1987-06-18

1989-02-28

Bleutge, John C.

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

Synthetic resins

From silicon reactant having at least one...

528 26, 528 28, 528 38, C08G 7704

Patent

active

048086860

ABSTRACT:
Silicone-polyimides having improved flexibility can be obtained, by sequentially intercondensing organic diamine, aminoorgano terminated polydiorganosiloxane and aromatic bisanhydride. A decrease in flexural modulus and an increase in elongation percent is effected while flame retardance remains substantially unchanged.

REFERENCES:
patent: 4480009 (1984-10-01), Berger
patent: 4504632 (1985-03-01), Holub et al.
patent: 4586997 (1986-05-01), Lee
patent: 4690997 (1987-09-01), Cella et al.

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