Oxidatively stable rigid aromatic polyimide compositions and pro

Details Oxidatively stable rigid aromatic polyimide compositions and pro Oxidatively stable rigid aromatic polyimide compositions and pro

1997-07-01

1999-03-23

Hampton-Hightower, P.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528128, 528172, 528173, 528176, 528183, 528220, 528229, 528350, 528353, C08G 6926, C08G 7310

Patent

active

058861297

ABSTRACT:
A rigid, aromatic polyimide composition prepared using a solution imidization process from an aromatic tetracarboxylic dianhydride and a diamine which is greater than 60 mole % to about 85 mole % p-phenylene diamine and 15 mole % to less than 40 mole % m-phenylene diamine exhibits exceptional tensile properties and thermal oxidative stability.

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patent: 5461138 (1995-10-01), Serafini et al.

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