Electrodeposition of bright zinc utilizing aliphatic ketones

Details Electrodeposition of bright zinc utilizing aliphatic ketones Electrodeposition of bright zinc utilizing aliphatic ketones

1977-09-14

1978-07-11

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204DIG2, C25D 322

Patent

active

041000404

ABSTRACT:
A zinc brightener additive compises a polymeric amine selected from the class consisting of a linear aliphatic amine polymer, an aminated polyepichlorohydrin, a polyethylenimine, and combinations thereof, a propylene oxide-ethylene oxide block copolymer prepared by the sequential addition of propylenene oxide followed by ethylene oxide, or vice versa, to a residue of an organic compound containing active hydrogen atoms such as propylene glycol or an amine base, and an aliphatic ketone. Additionally, an aqueous acid electroplating bath containing the polymeric amine compound in combination with the propylene oxide-ethylene oxide block copolymer and an aliphatic ketone provides bright, lustous electrodepositions of zinc.

REFERENCES:
patent: 3988219 (1976-10-01), Rosenberg
patent: 4007098 (1977-02-01), Rosenberg
patent: 4049510 (1977-09-01), Rosenberg

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