Alkaline zinc electroplating bath and process

Chemistry: electrical and wave energy – Processes and products

Patent

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C25D 322

Patent

active

042228298

ABSTRACT:
Bright zinc electrodeposition is accomplished in a noncyanide alkaline bath using a water soluble, nitrogen-containing polymer having recurrent units of ##STR1## liberally substituted. The polymers of the invention are generally formed by the acylation of polyalkylamines and similar polymers with acid chlorides of various organic acids.

REFERENCES:
patent: 3393135 (1968-07-01), Rosenberg
patent: 4022676 (1977-05-01), Popescu
patent: 4135992 (1979-01-01), Fikentscher et al.
patent: 4146442 (1979-03-01), McFarland

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