Method of and electrolytic bath for the electrodeposition of sem

Details Method of and electrolytic bath for the electrodeposition of sem Method of and electrolytic bath for the electrodeposition of sem

1976-11-19

1978-07-25

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 49, C25D 312, C25D 316, C25D 318, C25D 356

Patent

active

041027558

ABSTRACT:
Semibright (matte-gloss) coatings of nickel or nickel-cobalt are deposited on a metal substrate from a WATT'S-type, sulfamate or fluoroborate electroplating bath at a pH of 2.5 to 5.8, a temperature of 15.degree. to 70.degree. C and a current density of 0.5 to 20 A/dm.sup.2 in the presence of a substance which deposits with the metal and ensures a semibright or matte-gloss finish. The substances form in situ within the bath from a cationic or amphoteric first component and a second component consisting of an organic anion interactive with the first component to produce a flocculate.

REFERENCES:
patent: 2737484 (1956-03-01), Passal
patent: 3130135 (1964-04-01), Ericson
patent: 3180808 (1965-04-01), Ericson
patent: 3261772 (1966-07-01), Ericson
patent: 3474010 (1969-10-01), McMullen et al.
patent: 3839166 (1974-10-01), Michael

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