Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
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
Desarmot Georges
Sanchez Manuel
Dubno Herbert
Office National d'Etudes et de Recherches Aerospatiales
Ross Karl F.
Tufariello T. M.
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