Electroplating zinc and bath therefor

Chemistry: electrical and wave energy – Processes and products

Patent

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Details

C25D 322, C25D 324

Patent

active

040453065

ABSTRACT:
An alkaline - cyanide free or substantially cyanide-free bath is provided for the electrodeposition of a bright levelled zinc coating; said bath containing a zinc salt, alkali hydroxide and conventional additives and a reaction product of unsaturated nitrogen heterocyclic hydrocarbon compounds containing at least two nitrogen atoms in the ring with epihalogen hydrin or glycerol halogen hydrin.

REFERENCES:
patent: 3954575 (1976-05-01), Yanagida et al.
patent: 3974045 (1976-08-01), Takahashi et al.

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