Water-based coating oil
AssigneeCincinnati-Vulcan Company
InventorRobert J. Sturwold
Life of this patent
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Abstract
A water-based coating composition which upon drying prevents rust and corrosion on metal surfaces, but does not leave a waxy film upon the coated article. The coating composition is a mixture of a monovalent metal or amine, salt of a sulfonic acid, a polybasic fatty acid, an alkanolamide, a water soluble ether and water. The coating oil is a substitute for hydrocarbon-based coating oils and provides the rust protection and corrosion resistance of a hydrocarbon-based coating oil but does not cause a waxy buildup. This water-based coating is also more biodegradable and substantially safer than a hydrocarbon-based system.
Claims13
An aqueous coating composition for providing corrosion and rust protection for metal surfaces comprising a compatible mixture of the following components:
- a sulfonate selected from the group consisting of monovalent metal and amine salts of sulfonic acids;
- a polybasic fatty acid;
- an alkanolamide;
- and
- a water soluble ether wherein said components are provided in an effective amount to provide rust and corrosion protection for a metal surface and to provide a compatible solution.
An aqueous coating composition for providing rust and corrosion protection for a metal surface comprising a compatible mixture of the following components:
- from about 3.6% to about 7.2% organic sulfonate selected from groups consisting of monovalent metal sulfonates and amine sulfonates;
- from about 2% to about 30% alkanolamide;
- from about 2% to about 30% water soluble ether;
- and
- from about 1% to about 12% of a mixture of C.sub.36 and C.sub.54 polybasic fatty acids.
Dependencies are inferred from the claim text.