Treatment of underwater surfaces

Details Treatment of underwater surfaces Treatment of underwater surfaces

1978-03-08

1980-01-15

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

106 1418, 106 1434, 106 1437, 106 1829, 106271, 427416, C09D 508, C09D 514

Patent

active

041837576

ABSTRACT:
Surfaces intended for underwater use, e.g. ships hulls, are coated with wax as an aqueous dispersion. The dispersion may contain 15-75% wax, and have a viscosity of 1.5 to 75 Engler at 20.degree. C., giving coatings of 5-500 micrometers thick. The dispersion may be formed by emulsifying molten wax and water in the presence of 0.2 to 10% wt of an agent and cooling the emulsion. Anionic emulsifying agents are preferred and preferably water is added to wax. The average wax particle size in the dispersion may be from 0.05 to 10 micrometers.

REFERENCES:
patent: 3374100 (1968-03-01), Goldstein et al.
patent: 3709708 (1973-01-01), Strazdins
patent: 3738851 (1973-06-01), Jarvis

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