Composition and process for coating metallic surfaces

Details Composition and process for coating metallic surfaces Composition and process for coating metallic surfaces

1989-12-07

1992-03-03

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

106 1412, 106 1421, C23F 1100

Patent

active

050929240

ABSTRACT:
A no-rinse aqueous chemical composition for treating a metallic surface prior to application of an organic siccative coating characterized in that it comprises from 1.5 to 40 g/l (total) of Cr (VI) and optionally one or more of Ni, Co, Mg, Fe and Zn, and from 0.3 to 6.0 g/l (total) of F and optionally PO.sub.4.sup.3- is disclosed.
A process for treating a metallic surface prior to application of an organic siccative coating characterized in that it comprises applying to the surface such a composition and not rinsing is also disclosed.

REFERENCES:
patent: 2438877 (1948-03-01), Spruance
patent: 3185596 (1965-05-01), Schiffman
patent: 3410707 (1968-11-01), Pocock et al.
patent: 3706604 (1972-12-01), Plaxton
patent: 3876435 (1975-04-01), Dollman
patent: 3932198 (1976-01-01), Schneider
patent: 3967984 (1976-07-01), Helwig et al.
patent: 4169741 (1979-10-01), Lampatzer et al.
patent: 4183772 (1980-01-01), Davis
patent: 4227946 (1980-10-01), Williamson
patent: 4266988 (1981-05-01), Krippes

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