Process of coating an aluminum article

Details Process of coating an aluminum article Process of coating an aluminum article

1973-10-01

1976-01-27

Husack, Ralph

Coating processes

Applying superposed diverse coating or coating a coated base

Synthetic resin coating

148 627, 204 38A, 427327, 427387, 427388, 428450, B05D 714, C23F 706

Patent

active

039353494

ABSTRACT:
A paint film based on a thermo-setting resin which is applied on an aluminum article may be improved in its adhesion properties and resistance to chemical and mechanical attacks as well as in its resistance to weathering, if the surface of the aluminum article is previously anodized to form the oxide surface layer or is treated in boiling water to form the boehmite surface layer and if the oxide surface layer, including the boehmite layer, is pre-treated with a silane compound prior to the application of the coating composition. The application of the paint composition is conducted in this invention by means of a known coating technique such as dipping, spraying, showering, brushing or roller-coating, other than the electro-deposition technique.

REFERENCES:
patent: 2902389 (1959-09-01), Keil
patent: 3175921 (1965-03-01), Hedlund
patent: 3664888 (1972-05-01), Oga et al.
patent: 3706592 (1972-12-01), Thomson
patent: 3711313 (1973-01-01), Nagano et al.
patent: 3734784 (1973-05-01), Bereday et al.

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