Method of electrochemically surface treating carbon fibers, fibe

Details Method of electrochemically surface treating carbon fibers, fibe Method of electrochemically surface treating carbon fibers, fibe

1985-05-10

1987-09-01

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25F 100

Patent

active

046907386

ABSTRACT:
A method of electrochemically surface-treating carbon fibers, fibers treated by the method, and composite materials including such fibers. The method consists in positively polarizing fibers relative to a cathode in an aqueous solution of an electrolyte constituted by a weak amino base. Nitrogen-containing groups are thus fixed to the surface of the fibers thereby improving the adhesion of the fibers to the resin in a composite material constituted by carbon fibers embedded in a synthetic resin matrix.

REFERENCES:
patent: 3776829 (1973-12-01), Goan
patent: 3859187 (1975-01-01), Druin
patent: 3865705 (1975-02-01), Rieux
patent: 4234398 (1980-11-01), Yamamoto
patent: 4401533 (1983-08-01), Saito

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