Methylene chloride phosphatized coating

Details Methylene chloride phosphatized coating Methylene chloride phosphatized coating

1976-07-28

1978-01-24

Ives, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428457, 428467, 428469, 428413, 428515, 428520, 428480, 148 615R, 134 11, B32B 1518

Patent

active

040705218

ABSTRACT:
A liquid composition, containing methylene chloride, can provide phosphate coatings on metal articles. In addition to the methylene chloride, the composition contains a phosphatizing proportion of phosphoric acid and a solubilizing solvent capable of solubilizing phosphoric acid in methylene chloride. Most critically, the composition contains water in an amount exceeding the proportion of phosphoric acid, yet, the water-containing liquid composition maintains liquid phase homogeneity. Phosphatized coatings of desirable water insolubility and unique characteristics are thereby obtained.

REFERENCES:
patent: 3197345 (1965-07-01), Uullo et al.
patent: 3249471 (1966-05-01), Higgins
patent: 3853593 (1974-10-01), Baudo et al.

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