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

1984-09-13

1986-07-01

Ziegler, Jacob

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

1563082, 428383, 428384, 528322, C08K 506

Patent

active

045981159

ABSTRACT:
A polyamino-bis-maleimide prepolymer solution obtained by the reaction of 1 mole 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: 4038450 (1977-07-01), Balme et al.
patent: 4115341 (1978-09-01), Boldebuck et al.

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