Metal treatment

Details Metal treatment Metal treatment

1980-03-19

1981-07-14

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 615R, 106 1412, 106 1415, 106 1421, 106 127, C23F 700

Patent

active

042784778

ABSTRACT:
An aqueous alkaline coating solution having a pH of no greater than about 10.2 for forming on zinc surface a coating which is corrosion resistant and to which overlying coatings adhere excellently is disclosed, and containing in solution one or more of the following metals: cobalt, nickel, iron and tin; and an inorganic complexing material which is effective in maintaining the metal in solution; and optionally, a reducing agent.

REFERENCES:
patent: 2766138 (1956-10-01), Talmey
patent: 2956900 (1960-10-01), Carlson
patent: 3444007 (1969-05-01), Maurer et al.
patent: 3515600 (1970-06-01), Jones et al.
patent: 3745039 (1973-07-01), Feldstein
patent: 3929514 (1975-12-01), Houlihan et al.
patent: 3947610 (1976-03-01), Bodmer et al.
patent: 3962495 (1976-06-01), Feldstein
Rogers et al., JACS 71 2081-2085 (1949).

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