Polyimide resin and preparation thereof

Details Polyimide resin and preparation thereof Polyimide resin and preparation thereof

1991-05-08

1993-04-06

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524514, C08J 309, C08K 513, C08L 7706

Patent

active

052004490

ABSTRACT:
A polyimide resin composition with outstanding heat resistance and mechanical properties is disclosed, along with a novel method of its preparation. A tetracarboxylic acid or its derivative and an aromatic diamine are dissolved in a solvent system of mixed phenols and are both polymerized and imidized on one step.

REFERENCES:
patent: 4290936 (1981-09-01), Sasaki et al.
patent: 4568715 (1986-02-01), Itatani et al.

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