Bismaleimide compositions containing high glass transition tempe

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

1990-07-30

1992-03-17

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

1563071, 1563077, 428288, 428295, 428396, 428408, 4284735, 4285428, 428704, 428902, B32B 508, B32B 510, B32B 528, B32B 2712

Patent

active

050967665

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 a 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 MPan.sup.1/2 and a glass transition temperature of at least 200.degree. C.

REFERENCES:
patent: 4946908 (1990-08-01), Chu et al.

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