Bismaleimide compositions containing high glass transition tempe

Details Bismaleimide compositions containing high glass transition tempe Bismaleimide compositions containing high glass transition tempe

1987-07-15

1990-08-07

Jacobs, Lewis T.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525436, 525907, 525928, 4284735, 4284744, C08L 7706, C08L 7908

Patent

active

049469088

ABSTRACT:
Described are novel thermosetting maleimide compositions suitable for making cured resins, prepregs and tough thermoset composites. The thermosetting compositions comprise a multifunctional maleimide and terminally unsaturated polyamide, polyimide, or polyamideimide oligomer which is soluble in the composition. The cured resins have a fracture toughness, K.sub.ic, of at least 1.0 MPam.sup.1/2 and a glass transition temperature of at least 200.degree. C.

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