Additives for bright plating nickel, cobalt and nickel-cobalt al

Details Additives for bright plating nickel, cobalt and nickel-cobalt al Additives for bright plating nickel, cobalt and nickel-cobalt al

1975-05-02

1977-04-05

Edmundson, F. C.

Chemistry: electrical and wave energy

Processes and products

204 48, 204 49, 204DIG2, C25D 312, C25D 356

Patent

active

040160513

ABSTRACT:
An acidic aqueous solution for use in bright nickel, cobalt, or nickel-cobalt alloy electroplating which includes nickel, cobalt, or nickel-cobalt ions respectively, and at least 0.005 but not exceeding 0.3 grams per liter of the solution consisting of diethylaminopropyne sulfate. The invention also relates to a process for producing bright nickel, cobalt or nickel-cobalt alloy deposits which comprises electrodepositing nickel, cobalt or nickel-cobalt alloy from an aqueous acidic solution containing at least one salt of nickel, cobalt or nickel-cobalt and containing as an addition agent from about 0.005 to about 0.3 grams per liter of the solution consisting of diethylaminopropyne sulfate. In the process, the solution may be heated above 60.degree. C so as to increase the efficiency of the process.

REFERENCES:
patent: 2712522 (1955-07-01), Kardos et al.
patent: 3133006 (1964-05-01), Ostrow et al.
patent: 3506548 (1970-04-01), Duchene

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