Hydrolytically and oxidatively stable polyimides

Details Hydrolytically and oxidatively stable polyimides Hydrolytically and oxidatively stable polyimides

1990-10-11

1992-11-10

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528172, 528173, 528176, 528183, 528220, 528229, 528350, C08G 6926, C08G 802, C08G 7310

Patent

active

051624923

ABSTRACT:
Polyimide prepared from 3,3'4,4'-biphenyltetracarboxylic dianhydride and an aromatic diamine which is at least about 60% meta-phenylene diamine exhibits excellent hydrolytic and oxidative stability.

REFERENCES:
patent: 3179631 (1965-04-01), Endrey
patent: 3179633 (1965-04-01), Endrey
patent: 3249588 (1966-05-01), Gall
patent: 4238538 (1980-12-01), Manwiller
patent: 4302413 (1981-11-01), Howe et al.
patent: 4440643 (1984-04-01), Makino et al.
patent: 4499042 (1985-02-01), Ishizuka et al.
patent: 4755555 (1988-07-01), Manwiller et al.
patent: 4778872 (1988-10-01), Sasaki et al.

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