Brighteners for electrolytic acid zinc baths

Details Brighteners for electrolytic acid zinc baths Brighteners for electrolytic acid zinc baths

Filed on

1979-02-16

Date issued

1980-10-07

Examiner

Kaplan, G. L.

Patent Class

Chemistry: electrical and wave energy

SubClass

Processes and products

Other Related Categories

C25D 322

Type

Patent

Status

active

Patent number

042266823

Description

ABSTRACT:
Brighteners for electrolytic acid zinc baths having the general formula: ##STR1## About 0.05 to 2.0 grams brightener are added for every liter of zinc bath to produce bright ductile zinc electrodeposits. Several types of wetting agents are used as dispersants in the zinc bath which has a pH of about 3.0 to 6.8. Other known brighteners may be added to the bath to obtain variations of the quality of the zinc deposits.

REFERENCES:
patent: 3669854 (1972-06-01), Harbulak
patent: 3891520 (1975-06-01), Todt et al.
patent: 4014761 (1977-03-01), Passal
patent: 4100040 (1978-07-01), Rosenberg
patent: 4119502 (1978-10-01), Arcilesi

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