Polyamino-bis-maleimide prepolymer, method for manufacture there

Details Polyamino-bis-maleimide prepolymer, method for manufacture there Polyamino-bis-maleimide prepolymer, method for manufacture there

1986-04-10

1987-11-17

Ziegler, Jacob

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating or impregnating workpiece before molding or shaping...

1563074, 1563075, 1563315, 264136, 264137, 26433119, B32B 3112

Patent

active

047073160

ABSTRACT:
A polyamino-bis-maleimide prepolymer solution obtained by the reaction of 1 mol of N,N'-4,4'-diphenyl methane-bis-maleimide with 0.25 to 0.4 mol of 4,4'-diaminodiphenyl methane in an alkyleneglycol monoalkyl ether as a solvent at elevated temperatures. This solution can be impregnated with a substrate to form a prepreg. The prepreg can be laminated to form heat resistant laminate.

REFERENCES:
patent: 3380964 (1968-04-01), Grundschober et al.
patent: 4038450 (1977-07-01), Balme et al.
patent: 4115341 (1978-09-01), Boldebuck et al.
patent: 4346206 (1982-08-01), Takahashi et al.
patent: 4444823 (1984-04-01), Gogliani et al.
patent: 4489027 (1984-12-01), Clair et al.

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