Zinc electroplating bath

Details Zinc electroplating bath Zinc electroplating bath

1977-11-16

1979-01-23

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 322

Patent

active

041359925

ABSTRACT:
An aqueous cyanide-free alkaline zinc bath for electroplating metallic surfaces with mirror-bright zinc coatings, which bath contains zinc ions, alkali metal hydroxides and, as the brightener, a polyalkylenepolyamine which is at least partially alkylated, with alkyl of 1 to 3 carbon atoms, at the basic nitrogens.

REFERENCES:
patent: 2451426 (1948-10-01), Bair et al.
patent: 3393135 (1968-07-01), Rosenberg
patent: 3537959 (1970-11-01), Korpiun et al.
patent: 3853718 (1974-12-01), Creutz
patent: 3869358 (1975-03-01), Nobel et al.
patent: 3886054 (1975-05-01), Duchene et al.
patent: 3993548 (1976-11-01), Creutz et al.

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