Toughened thermosetting structural materials

Details Toughened thermosetting structural materials Toughened thermosetting structural materials

1989-02-17

1991-08-06

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

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

428114, 428240, 428251, 428252, 428283, 428338, 428408, 4284735, 428902, 525426, 525436, B32B 526, B32B 528, B32B 2704, B32B 2718

Patent

active

050376896

ABSTRACT:
Toughened bismaleimide resin systems capable of preparing carbon fiber reinforced composites having compression after impact strengths of greater than 40 Ksi are prepared from bismaleimide matrix resin systems containing a member of a limited set of soluble thermoplastic polyimides in particulate form.

REFERENCES:
patent: 4604319 (1986-08-01), Evans
patent: 4917954 (1990-04-01), Stenzenberger
patent: 4946908 (1990-08-01), Chu et al.

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