Thermosetting polyimide prepolymers

Details Thermosetting polyimide prepolymers Thermosetting polyimide prepolymers

1990-02-08

1991-09-03

Kight, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528128, 528171, 528323, C08G 802, C08G 7300, C08G 7500, C08G 6914

Patent

active

050456253

ABSTRACT:
In one embodiment this invention provides novel thermosetting aromatic polyimide prepolymers which have superior solubility and flow properties, and which can be thermally cured to heat and oxidation resistant thermoset adhesives, films, and molded products.
Illustrative of a prepolymer is the dimaleimide of 2,2-bis[p,p'-(m-aminophenoxy)phenylsulfonyl(p-phenyleneoxy)-phenyl]propane .

REFERENCES:
patent: 3868351 (1975-02-01), Hand et al.
patent: 3996203 (1976-12-01), Hand et al.
patent: 4645803 (1987-02-01), Kohli et al.

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