Coated metal article and method of coating

Details Coated metal article and method of coating Coated metal article and method of coating

1973-11-21

1976-06-08

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 617, 148 621, 148 315, C23F 710, C23F 712, C23F 726, C23F 714

Patent

active

039619931

ABSTRACT:
Methods of coating metal articles to protect them from corrosion, and the products of such methods. Metal articles which have been electroplated with zinc, cadmium, nickel or chromium, or which have been phosphated, are chromated, and coated with a hydrophobic thermosetting polymer, and heated to convert the polymer to a hard, adherent film. Multiple polymer coatings may be applied prior to heat curing, and the corrosion resistance of the coating is thereby vastly improved.

REFERENCES:
patent: 2407881 (1946-09-01), Hoover et al.
patent: 2970935 (1961-02-01), Cavanagh
patent: 3219489 (1965-11-01), Bellinger et al.
patent: 3671332 (1972-06-01), Rausch et al.
patent: 3790355 (1974-02-01), Palisin, Jr.

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