Toughened thermosetting structural materials

Details Toughened thermosetting structural materials Toughened thermosetting structural materials

1991-04-03

1992-06-09

Foelak, Morton

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

Synthetic resins

From carboxylic acid or derivative thereof

528321, 528322, 526204, 526205, 526217, 5262181, 526258, 526259, 526262, 4284735, 428113, 428240, 428283, 525426, 525436, C08G 6908, C08G 7310

Patent

active

051208237

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.

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