Electrolytic zinc-nickel alloy plating solution and a method of

Details Electrolytic zinc-nickel alloy plating solution and a method of Electrolytic zinc-nickel alloy plating solution and a method of

1995-08-29

1996-11-19

Gorgos, Kathryn

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Depositing predominantly alloy coating

205255, 205259, 205260, C25D 356

Patent

active

055758991

ABSTRACT:
The present invention relates to an electrolytic zinc-nickel alloy plating solution, which comprises a plating solution containing zinc chloride, nickel chloride, and potassium chloride; polyethylene glycol having a molecular weight of 400-800 as a nonionic surfactant in an amount of 0.01-1.0 gram/liter; and at least one compound selected from the group consisting of nicotinic acid, urea, thiourea, nicotinamide, thioglycolic acid and sodium thiosulfate as a compound having a lone pair of electrons in an amount of 0.001-1.0 gram/liter. When the plating solution of the present invention is used, needle-shaped stain is not caused on a plated surface and the edge of a plated steel sheet need not be trimmed because a less amount of burning is caused thereto.

REFERENCES:
patent: 4285802 (1981-08-01), Rynne
patent: 4401526 (1983-08-01), Martin
patent: 4543166 (1985-09-01), Lash
patent: 4569731 (1986-02-01), Matsuda et al.
Metal Finishing Abstracts, vol. 23, No. 5, Sep. 1981, 6B, p. 314, Popovich.

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