Solutions of polyimide-forming starting materials

Details Solutions of polyimide-forming starting materials Solutions of polyimide-forming starting materials

1992-11-02

1994-07-26

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528126, 528128, 528170, 528172, 528173, 528176, 528185, 528188, 528220, 528226, 528229, 528350, 524379, 524391, 524600, 524606, 524607, C08G 6926, C08G 7310

Patent

active

053327993

ABSTRACT:
In solutions of polyimide-forming starting materials, containing diamines and tetracarboxylic diesters, at least 2 mol % of the ester groups in the tetracarboxylic diesters are derived from alcohols of the general formula

REFERENCES:
patent: 3347808 (1967-10-01), Lavin et al.
patent: 3502712 (1970-03-01), DeBrunner
patent: 3542703 (1970-11-01), DeBrunner
patent: 3700649 (1972-10-01), Boram et al.
patent: 4533574 (1985-08-01), Fryd et al.
patent: 4874835 (1989-10-01), Berdahl
patent: 4960824 (1990-10-01), Olson et al.
CA 115(12): 115339c, Blum et al, Sep. 23, 1991.

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