Method for electroplating bright zinc

Details Method for electroplating bright zinc Method for electroplating bright zinc

1974-11-25

1976-08-10

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 55Y, 260 2BP, C25D 322, C25D 324

Patent

active

039740455

ABSTRACT:
A brightener additive for zinc electroplating baths, which comprises: a water-soluble polymer prepared by the reaction of an epihalohydrin with a nitrogen heterocyclic compound such as the compounds of imidazole, pyrrole, cyclic amine of the formula: ##EQU1## and piperazine in the presence of a nitrogen compound such as the compounds of aliphatic amines, hexamethylenetetramine and ammonia.

REFERENCES:
patent: 3655534 (1972-04-01), Kampe
patent: 3803008 (1974-04-01), Rosenberg et al.
patent: 3838026 (1974-09-01), Koch
patent: 3853718 (1974-12-01), Creutz
patent: 3869358 (1975-03-01), Nobel et al.
patent: 3915815 (1975-10-01), Koch

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