Electrolytic coloring of anodized aluminum

Details Electrolytic coloring of anodized aluminum Electrolytic coloring of anodized aluminum

1989-02-02

1989-10-31

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 58, C25D 1122

Patent

active

048774952

ABSTRACT:
A process for the electrolytic coloring of anodized surfaces of aluminum or aluminum alloys using alternating current or direct current superimposed on alternating current, the electrolytic coloring being carried out with an electrolyte which contains cationic organic dyes and, optionally, conducting salts.

REFERENCES:
patent: 4042468 (1977-08-01), Hasegawa et al.
patent: 4401525 (1983-08-01), Ruf
V. F. Henley, Light Metals, pp. 536-541, Oct. 1949.
Helmer Bengston, Plating, pp. 918-921, Jul. 1956.
Die Oberflaechenbehandlung v. Aluminum (1977), pp. 354-374 and pp. 309-312.
Metalloberflaeche, 32 (1978), pp. 450-454.

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