Dispersion for protective coatings and method for applying such

Details Dispersion for protective coatings and method for applying such Dispersion for protective coatings and method for applying such

1987-12-23

1989-06-13

Silverberg, Sam

Compositions: coating or plastic

Coating or plastic compositions

Inorganic materials only containing at least one metal atom

148258, 1062865, 1062864, 1062867, 106 1412, C09D 100, B05D 118

Patent

active

048389420

ABSTRACT:
Synthetic material substrates are protected against erosion and corrosion by a lacquer type coating which is baked or bonded onto the substrate at relatively low temperatures below 200.degree. C. to protect the synthetic material substrate against damage. The coating is a dispersion of metal powder in an aqueous solution of about equal weight proportions of phosphorous acid and phosphoric acid with an optional weight proportion of not more than 5 percent of aluminum phosphate, and about 10 to 20 weight percent of chromic acid. The remainder is water.

REFERENCES:
patent: 4227946 (1980-10-01), Williamson
patent: 4243434 (1981-01-01), Hartley
patent: 4381323 (1983-04-01), Lowe
patent: 4650699 (1987-03-01), Mosser

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