Imido/siloxane bismaleimide/aromatic diamine prepolymers

Details Imido/siloxane bismaleimide/aromatic diamine prepolymers Imido/siloxane bismaleimide/aromatic diamine prepolymers

1990-04-10

1992-06-16

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528 96, 528170, C08G 5900, C08G 7300, C08G 7310

Patent

active

051225891

ABSTRACT:
Novel low melt viscosity imido prepolymers, well adapted for the production of prepregs and filament wound shaped articles, are prepared by copolymerizing (a) at least one N,N'-bismaleimide with (b) at least one siloxane bismaleimide, (c) at least one aromatic diprimary diamine, (d) optionally, at least one olefinically unsaturated comonomer other than a bisimide, (e) optionally, a catalyst, and (f) either an acrylate or an unhalogenated epoxy resin.

REFERENCES:
patent: 4883858 (1989-11-01), Takemoto et al.
patent: 4959443 (1990-09-01), Yamaya et al.

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