Alkali earth metal oxide-based coating compositions

Details Alkali earth metal oxide-based coating compositions Alkali earth metal oxide-based coating compositions

1982-11-10

1984-10-09

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

106 1413, 106 1428, 106 1429, 106 1436, 106 1438, 106270, 252 33, 252 39, 252389R, 252395, 252396, C09D 508

Patent

active

044759495

ABSTRACT:
A noncarbonated complex for use in preparing coating compositions is comprised of the reaction product of a basic oxide selected from the group consisting of calcium and magnesium oxide and mixtures thereof; an organic sulfonic acid having an equivalent weight of about 300 to 750 grams per equivalent; and water. The molar ratio of basic oxide to organic sulfonic acid is at least 10:1. The molar ratio of water to basic oxide is less than 2.5:1 and greater than 0.5:1 when the basic oxide is at least 30 percent calcium oxide. The molar ratio of water to basic oxide is less than 0.7:1 and greater than 0.3:1 when the basic oxide is less than 30 percent calcium oxide.

REFERENCES:
patent: 3057896 (1962-10-01), Schlicht et al.
patent: 3242079 (1966-03-01), McMillen
patent: 3372115 (1968-03-01), McMillen
patent: 3865737 (1975-02-01), Kemp
patent: 4094801 (1978-06-01), Forsberg

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