Polymeric leveling additive for acid electroplating baths

Details Polymeric leveling additive for acid electroplating baths Polymeric leveling additive for acid electroplating baths

1991-05-31

1993-08-03

Niebling, John

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Depositing predominantly alloy coating

205261, 205239, 205296, C25D 300, C25D 338, C25D 358

Patent

active

052325750

ABSTRACT:
Acid, electroplating baths having consistent leveler activity contain levelers which are quaternized near-monodisperse polymers of acrylic or methacrylic trialkyl amine esters. The polymers may contain hydroxyalkyl acrylate or methacrylate ester components, unquaternized acrylic or methacrylic amine component as well as other polymeric components.

REFERENCES:
patent: 3502551 (1970-03-01), Todt et al.
patent: 3659915 (1972-03-01), Quimby et al.
patent: 3704213 (1972-11-01), Fournier et al.
patent: 3869358 (1975-03-01), Nobel et al.
patent: 4376685 (1983-03-01), Watson
patent: 4555315 (1985-11-01), Barbieri et al.
patent: 4667049 (1987-05-01), Heikkila et al.

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