Composition and method for corrosion inhibition

Coating processes – Interior of hollow article coating – Removing excess coating material

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Details

427239, 427435, 166244C, 252 855E, 523456, B05D 722, B05D 118

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active

045268134

ABSTRACT:
A composition is provided which, when applied to a metal surface, forms a corrosion-inhibiting film thereon. The composition comprises an epoxy resin, an effective amount of a curing agent for the epoxy resin, an alcohol, and a hydrocarbon diluent. The composition is applied by contacting the metal surface with the composition as one solution or as a hydrocarbon solution of the epoxy resin and a solution comprising the alcohol and the curing agent. The composition is particularly useful in the treatment of down-well metal surfaces in oil and gas wells to inhibit the corrosion of the metal.

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patent: 3378488 (1968-04-01), Nimerick
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patent: 3552493 (1971-01-01), Bezemer
patent: 3562198 (1971-02-01), Slocombe
patent: 4143000 (1979-03-01), Doss
Potter, "Coatings for Steel Pipes", Uses of Epoxy Resins, 1975, pp. 64, 65 and 146.
"Epoxy Resin Coatings," Epoxy Resins, May and Tanaka, (1973), pp. 459-465.
"Solvents", pp. 24-29 to 24-31, Handbook of Epoxy Resins, Lee and Neville, (1967).

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