Thermosetting polyimide prepolymers

Details Thermosetting polyimide prepolymers Thermosetting polyimide prepolymers

1989-02-21

1991-07-16

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528128, 528353, C08G 802, C08G 6926, C08G 7500

Patent

active

050326686

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: 4395514 (1983-07-01), Edelman
patent: 4526838 (1985-07-01), Fujioka et al.
patent: 4539392 (1985-09-01), Kadoi et al.
patent: 4645803 (1987-02-01), Kohli et al.

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