High temperature polyimide processing aid

Details High temperature polyimide processing aid High temperature polyimide processing aid

1985-04-29

1986-11-25

Ivy, C. Warren

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524600, C08K 534, C08L 7908

Patent

active

046249788

ABSTRACT:
A high temperature processing aid for melt processing polyimide polymers and a method of doing same is presented wherein a compatible, high boiling point N-alkyl- or N-alicyclic-substituted pyrrolidone is added to a polyimide polymer in amounts sufficient to lower the glass transition temperature of said polyimide.

REFERENCES:
patent: 4470944 (1984-09-01), Asakura
patent: 4495321 (1985-01-01), Arnold
patent: 4515915 (1985-05-01), Uda

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