Zinc-nickel alloy plating bath and plating method

Details Zinc-nickel alloy plating bath and plating method Zinc-nickel alloy plating bath and plating method

1989-02-21

1989-08-29

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 356

Patent

active

048614424

ABSTRACT:
The invention provides a zinc-nickel alloy plating bath comprising about 3 to about 30 g/l of Zn ion, about 0.2 to about 20 g/l of Ni ion, about 20 to about 300 g/l of alkali hydroxide, about 0.05 to about 10 g/l of amino-alcohol polymer, an Ni-complexing agent in an amount of about 1 to about 20 moles per mole of Ni ion, and about 0.01 to about 20 g/l of amino acid and/or a salt of amino acid, the bath having a pH of 11 or more.

REFERENCES:
patent: 4388160 (1983-06-01), Rynne
patent: 4765871 (1988-08-01), Hsu et al.

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