Bisphenol-A dianhydride-based polyimide matrix resins and method

Details Bisphenol-A dianhydride-based polyimide matrix resins and method Bisphenol-A dianhydride-based polyimide matrix resins and method

1988-12-23

1991-01-29

Hoke, Veronica P.

Coating processes

With post-treatment of coating or coating material

Heating or drying

428288, 428290, 524379, 524391, C08K 505

Patent

active

049885448

ABSTRACT:
A method for preparing high molecular weight highly thermal and oxidatively stable aryl polyimide compositions is provided which comprises reacting by application of heat, a mixture of bisphenol-A dianhydride, an aromatic diamine and a monoalkyl or dialkyl ester of a dicarboxylic acid or the corresponding anhydride.

REFERENCES:
patent: 3745149 (1973-07-01), Serafini et al.
patent: 3847867 (1974-11-01), Heath et al.
patent: 3890272 (1975-06-01), D'Alelio
patent: 4197339 (1980-04-01), Paul et al.
patent: 4244853 (1981-01-01), Serafini et al.
patent: 4302575 (1981-11-01), Takekoshi et al.
"Thermally Stable Polyimides from Solutions of Monomeric Reactants", 16 J. Appl. Poly. Sci., 905 (1972).

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