Zinc electroplating additive concentrate

Details Zinc electroplating additive concentrate Zinc electroplating additive concentrate

C - Chemistry, Metallurgy

25

D

204/26, 204/37

C25D 3/22 (2006.01) C25D 3/56 (2006.01)

Patent

CA 1255624

Abstract of the Disclosure An aqueous concentrate adapted for dilution with water for use in the make-up and replenishment of zinc or zinc alloy electroplating baths of the chloride and the mixed chloride types comprising an aqueous solution containing zinc chloride in an amount of about 10 to about 400 g/l, a hydrophobic organic brightening agent selected from the group consisting of aryl aldehydes, halo aryl aldehydes, aryl alkenyl ketones, aryl alkenyl aldehydes, heterocyclic alkenyl ketones and aldehydes as well as mixtures thereof generally present in an amount of about 10 up to about 200 g/l and a solubilizing agent comprising an alkyl phenyl sulfonate compound present in an amount of at least about 10 g/l up to an amount in consideration of the concentration of the zinc chloride and organic brightening agent present in the concentrate. 16

480863

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