Process for improving wear on conductor rolls in electroplating

Details Process for improving wear on conductor rolls in electroplating Process for improving wear on conductor rolls in electroplating

1988-10-13

1989-06-20

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 504

Patent

active

048407127

ABSTRACT:
The invention relates to an improvement in a process for electrodepositing a protective coating of zinc or a zinc alloy on steel or other metal substrates in which the process utilizes a metal conductor roll or conductor roll with metal sleeves and contains a rinsing bath with a mineral acid solution associated with the roll, the improvement comprises providing at least 50 ppm of hydrogen peroxide or a peroxydisulfate compound in the mineral acid bath.

REFERENCES:
patent: 4282073 (1981-08-01), Hirt et al.
patent: 4416737 (1983-11-01), Austin et al.
patent: 4608091 (1986-08-01), Sullivan et al.

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