Sizing agent for carbon fibers

Details Sizing agent for carbon fibers Sizing agent for carbon fibers

1987-08-12

1988-11-01

Welsh, Maurice J.

Coating processes

With post-treatment of coating or coating material

Heating or drying

428 74, 428357, 428368, 528 75, 5253297, 525455, 560 25, 560115, 560132, 560158, C08G 1804

Patent

active

047819472

ABSTRACT:
A sizing agent for a carbon fiber comprized mainly of an unsaturated urethane compound produced by a reaction of an unsaturated alcohol with an isocyanate which is able to couple the carbon fiber with an unsaturated polyester resin or vinylester resin is disclosed. The preferably unsaturated alcohols are allylalcohols and reaction products of an unsaturated carboxylic acids with an alkyleneoxides.

REFERENCES:
patent: 4443588 (1984-04-01), Fukuda et al.
patent: 4483759 (1984-11-01), Szycher et al.

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