Zincate solutions for treatment of aluminum and aluminum alloys

Details Zincate solutions for treatment of aluminum and aluminum alloys Zincate solutions for treatment of aluminum and aluminum alloys

1991-02-04

1993-01-26

Niebling, John

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Treating substrate prior to coating

205244, 205310, 427406, 427436, C25D 544, B05D 118

Patent

active

051820064

ABSTRACT:
A method for producing smooth metal coatings on zincated aluminum substrates using a specially formulated zincating bath containing an additive comprising a bath soluble cationic condensation polymer represented by the general formula: ##STR1## wherein: Z represents a group of atoms necessary to complete a heterocylic compound having a five or six membered ring containing at least 2 nitrogen atoms;

REFERENCES:
patent: 4169771 (1979-10-01), Creutz et al.
patent: 4178217 (1979-12-01), Glaser et al.
patent: 4366036 (1982-12-01), Lash et al.
patent: 4499123 (1985-03-01), Suzuki et al.
patent: 4536261 (1985-08-01), Popescu
patent: 4983263 (1991-01-01), Yasuda et al.

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