Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
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
Lusignan Michael R.
Technochemie GmbH
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