Surface treatment of aluminum

Details Surface treatment of aluminum Surface treatment of aluminum

1975-09-29

1977-06-07

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

148 627, 156665, 252 795, 427327, 427409, C23F 706, C09K 1302, C25D 1300

Patent

active

040282058

ABSTRACT:
This invention is directed to a method of pretreating an aluminum surface for the application of paint, adhesives and the like comprising subjecting the surface to the high temperature action of an alkaline solution containing a nonionic or anionic surface active wetting agent which retards the etching of the aluminum surface by the caustic solution.

REFERENCES:
patent: 2653861 (1953-09-01), Meyer
patent: 2987426 (1961-06-01), Shaw
patent: 3300349 (1967-01-01), Tershin et al.
patent: 3356550 (1967-12-01), Stiffler et al.
patent: 3437598 (1969-04-01), De Voldre et al.
patent: 3488228 (1970-01-01), Scott et al.
patent: 3497440 (1970-02-01), Weigel
patent: 3544391 (1970-12-01), Scott et al.
patent: 3557000 (1971-01-01), Smith

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