Process for production of polyimide resins

Details Process for production of polyimide resins Process for production of polyimide resins

1980-09-29

1982-12-07

Lee, Lester L.

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

Synthetic resins

From carboxylic acid or derivative thereof

C08G 6926

Patent

active

043628630

ABSTRACT:
A process for producing an aliphatic polyimide resin is described, comprising reacting an aliphatic tetracarboxylic acid with a diamine in the presence of a second acid having a higher electrolytic dissociation constant than the aliphatic tetracarboxylic acid.

REFERENCES:
patent: 3179632 (1965-04-01), Hendrix
patent: 3575891 (1971-04-01), Blanc
patent: 3673145 (1972-06-01), Minami et al.
patent: 3988303 (1976-10-01), Korshak et al.

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