Amide-imide resin of lowered water absorption for molding and co

Details Amide-imide resin of lowered water absorption for molding and co Amide-imide resin of lowered water absorption for molding and co

1989-08-14

1990-11-13

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528126, 528229, C08G 802, C08G 1200, C08G 6926

Patent

active

049702920

ABSTRACT:
Polyamide-imides derived from trimellitic acid compounds and an aromatic diamine are improved in moisture resistance when from 10 to about 90 mole % of the trimellitic acid compound is replaced by a biphenyl tetracarboxylic acid compound.

REFERENCES:
patent: 4448957 (1984-05-01), Nagaoka

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