Electrodeposition of zinc and additive therefore

Details Electrodeposition of zinc and additive therefore Electrodeposition of zinc and additive therefore

1976-04-09

1978-01-31

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204DIG2, C25D 322

Patent

active

040714195

ABSTRACT:
Bright zinc plate is obtained from alkaline, cyanide-free zinc plating baths containing at least one linear polyamine obtained by condensing an aliphatic diamine with an aliphatic dihalide. Especially good results are obtained if the bath also contains at least one substituted pyridine compound in the form of a free base or as a quaternised derivative. A brightener composition containing both the linear polyamine and the pyridine compound can be added to alkaline, cyanide-free zinc plating baths.

REFERENCES:
patent: 1564414 (1925-12-01), Hoff
patent: 3886054 (1975-05-01), Duchene et al.

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