Polyimide resin composition

Details Polyimide resin composition Polyimide resin composition

1990-08-24

1992-02-04

Carrillo, Ana L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525420, 525436, 525537, 525906, 525928, C08L 7908, C08L 8106, C08G 6948

Patent

active

050861255

ABSTRACT:
This invention relates to molding resin compositions, and more particularly relates to polyimide resin compositions having markedly improved molding ability in addition to excellent high temperature stability, chemical resistance and mechanical strength.
The polyimide resin composition of this invention comprises 99.9 to 50% by weight of the polyimide and 0.1 to 50% by weight of high temperature engineering polymer. The polyimide has recurring units of the following formula: ##STR1## wherein X is a sulfonyl radical or a carbonyl radical and R is a tetravalent radical selected from an aliphatic radical, alicyclic radical, monoaromatic radical, condensed aromatic radical and non-condensed aromatic radical. R is, for example, ##STR2## The high temperature engineering polymer is, for example, polyphenylene sulfide consisting of recurring units of the formula: ##STR3## aromatic polysulfone consisting of recurring units of the formula: ##STR4## or aromatic polyetherimide consisting of recurring units of the formula: ##STR5##

REFERENCES:
patent: 4455410 (1984-06-01), Giles et al.

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