Acidic plating bath and additives for electrodeposition of brigh

Details Acidic plating bath and additives for electrodeposition of brigh Acidic plating bath and additives for electrodeposition of brigh

1976-07-21

1977-12-06

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204DIG2, 260511, 260600R, 252 791, C25D 332

Patent

active

040615472

ABSTRACT:
An aqueous acid tin electroplating bath contains as a brightening agent compounds having the formula: ##STR1## where O is oxygen and A is selected from the class consisting of hydrogen, hydroxy alkyl, polyalkoxy, and 3-sulfopropyl, certain emulsifying agents and certain synergistically acting carboxylic acids, amides and esters to give extremely bright electrodeposits.

REFERENCES:
patent: 3956123 (1976-05-01), Rosenberg et al.
patent: 3977949 (1976-08-01), Rosenberg

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