Petroleum sulfonate adjuvants in epoxy resin...

Details Petroleum sulfonate adjuvants in epoxy resin... Petroleum sulfonate adjuvants in epoxy resin...

C - Chemistry, Metallurgy

09

K

31/34

C09K 15/04 (2006.01) C09D 163/00 (2006.01) C09K 8/54 (2006.01)

Patent

CA 1176443

Abstract of the Disclosure A composition is provided which, when applied to a metal surface, forms a corrosion-inhibiting film thereon. The composition comprises an epoxy resin, and a petroleum sulfonate, usually in a hydrocarbon diluent. The composition can further comprise a polyamine, an alcohol or both. 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 petroleum sulfonate. The composition is particularly useful in the treatment of downhole metal surfaces in oil and gas wells to inhibit the corrosion of the metal.

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