Non-ionic epoxy resin emulsion finishes for carbon fibers

Details Non-ionic epoxy resin emulsion finishes for carbon fibers Non-ionic epoxy resin emulsion finishes for carbon fibers

1984-01-26

1985-05-14

Page, Thurman K.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

252 89, 4273855, 427386, B32B 900, B05D 302

Patent

active

045172455

ABSTRACT:
A composition is disclosed for treating carbon fibers to provide an epoxy finish thereon, comprising an epoxy resin and an effective amount of a non-ionic emulsifier in the form of a block polymer consisting of a poly(oxypropylene) chain having poly(oxyethylene) groups at both ends of said chain, said polymer terminating in a primary hydroxyl group, said polymer having a molecular weight ranging from about 1100 to about 14,000. The process for treating the carbon fibers comprises applying the aqueous resin emulsion to the fibers and thereafter drying the fibers.

REFERENCES:
patent: 4125503 (1978-11-01), McCarty et al.
patent: 4128515 (1978-12-01), Tobias et al.
patent: 4340382 (1982-07-01), Morlino et al.
patent: 4421877 (1983-12-01), Alvino
patent: 4438001 (1984-03-01), Suzuki et al.

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