Silicate-based corrosion inhibitor

Details Silicate-based corrosion inhibitor Silicate-based corrosion inhibitor

1973-06-25

1976-06-01

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

21 27A, 106 81, 106177, 106197C, 252181, 252389A, C09D 508, C02B 500, C23F 1116

Patent

active

039605760

ABSTRACT:
Inorganic-silicate-based compositions also comprised of an organic phosphonate and carboxy methyl cellulose are useful for inhibiting corrosion of metal surfaces, particularly steel, which are exposed to aqueous media. Inhibition is optimized when the surfaces are pretreated with a prefilming or passivating agent, then maintained with the above composition.

REFERENCES:
patent: 3431217 (1969-03-01), Hwa
patent: 3515666 (1970-06-01), Bacon
patent: 3580934 (1971-05-01), Murray
patent: 3630790 (1971-12-01), Schmidt
patent: 3630938 (1971-12-01), Troscinski
patent: 3668094 (1972-06-01), Hatch
patent: 3669699 (1972-06-01), Doi et al.
patent: 3723333 (1973-03-01), VON Freyhold
patent: 3730746 (1973-05-01), Boaz
patent: 3837803 (1974-09-01), Carter

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