Electrodeposition of zinc and additives therefor

Details Electrodeposition of zinc and additives therefor Electrodeposition of zinc and additives therefor

1976-04-09

1978-01-31

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204DIG2, C25D 322

Patent

active

040714187

ABSTRACT:
Bright zinc plate is obtained from alkaline, cyanide-free zinc plating baths containing (a) at least one linear polyamine obtained by condensing an aliphatic diamine containing at least one tertiary amino group with a 1,3-dihalopropan-2-ol, and (b) at least one substituted pyridine compound in the form of a free base or as a quaternized derivative. A brightener composition containing 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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