Rare earth metal rinse for metal coatings

Details Rare earth metal rinse for metal coatings Rare earth metal rinse for metal coatings

1974-04-15

1976-07-13

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 614R, 148 614A, 148 615R, 148 62, C23F 710

Patent

active

039691527

ABSTRACT:
A final rinse for conversion coated metal surfaces comprising an aqueous acidic solution of a salt of a rare earth metal is disclosed. The rinse of the present invention not only yields coatings having excellent corrosion resistance and superior receptivity toward subsequent coatings of paint but is also easily disposable without harmful effects on the environment.

REFERENCES:
patent: 2400255 (1946-05-01), Pfeil
patent: 2698266 (1954-12-01), Thirsk
patent: 3493441 (1970-02-01), Rausch et al.
patent: 3752707 (1973-08-01), Newell et al.
Kirk-Othmer, Encyclopedia of Chem. Tech., 1966, vol. 4, p. 850.

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