Method and composition for electroplating zinc
Abstract
Abstract AN AQUEOUS BATH FOR PRODUCING DUCTILE, ADHERENT ZINC ELECTRODEPOSITS UPON METALLIC SURFACES CONTAINS AMMONIUM CHLORIDE, ZINC CHLORIDE AND A SURFACE ACTIVE AGENTS INPONENT COMPRISING A MIXTURE OF SURFACE ACTIVE AGENTS INCLUDING A PRIMARY SURFACE-ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF SULFATED POLYOXYALKYL CARBINAMINES, CONDENSATE OF ALKYL PHENOLS AND AN ALKYLENE OXIDE, IMIDAZOLINE DERIVATIVES, AND MIXTURES THEREOF. IN ADDITION, A SECONDARY SURFACE-ACTIVE AGENT IS DESIRABLY INCLUDED SUCH AS PHOSPHORIC ACID ESTERS OF POLYALKYLENE GLYCOLS AND ALKOXYLATED ALKYL PHENOLS AND THE ALKALI METAL SALTS OF SUCH ESTERS, POLYOXYALKYL CARBINAMINES, NATURAL PHOSPHATIDES AND MIXTURES THEREOF. THE BATH HAS A PH OF 3.0 TO 10.0 AND MAY ADDITIONALLY CONTAIN ALDEHYDE BRIGHTENERS, BUFFERING AND CHELATING AGENTS, AND SECONDARY BRIGHTENERS.
Inventors
- 👤 J Poor
- 👤 G Rynne
Bibliographic Details
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