Fiber materials preimpregnated with duromeric polyimide resins a

Details Fiber materials preimpregnated with duromeric polyimide resins a Fiber materials preimpregnated with duromeric polyimide resins a

1980-10-31

1982-10-26

Lusignan, Michael R.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

4273855, 4273898, 4273899, 428267, 428268, 428272, 428273, 528322, C08G 7312, B05D 302, B32B 700, B32B 2734

Patent

active

043562272

ABSTRACT:
A preimpregnated fibrous structural material is provided comprising a heat curable imide resin produced by reaction between an N,N'-bisimide of an unsaturated di-carboxylic acid and a hydrazide of an amino acid, and fibrous materials selected from the group consisting of carbon fibers, glass fibers and aromatic polyamide fibers impregnated with said imide resin.

REFERENCES:
patent: 3669930 (1972-06-01), Asahara et al.
patent: 4211861 (1980-07-01), Stenzenberger

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