Molybdate corrosion inhibiting pigment and method for preparing

Details Molybdate corrosion inhibiting pigment and method for preparing Molybdate corrosion inhibiting pigment and method for preparing

1975-03-10

1976-07-13

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106 14, 106306, 106288B, 106309, C09C 102, C09C 104

Patent

active

039691276

ABSTRACT:
A method for preparing an extended corrosion inhibiting pigment for use in formulating protective coatings for ferrous substrates in which a particulated inert carrier is slurried in an aqueous solution in the presence of molybdic oxide, to which a metal oxide of zinc, calcium, strontium and/or barium is added in a manner to effect a deposition of the corresponding metal molybdate on the carrier particles, whereafter the coated carrier is separated, dried and calcined at an elevated temperature.

REFERENCES:
patent: 3072495 (1963-01-01), Pitrot
patent: 3353979 (1967-11-01), Hunn
patent: 3726694 (1973-04-01), Moore et al.

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