Polyamide corrosion inhibitor

Details Polyamide corrosion inhibitor Polyamide corrosion inhibitor

C - Chemistry, Metallurgy

23

F

31/48

C23F 11/14 (2006.01) C23F 11/173 (2006.01)

Patent

CA 1069291

POLYAMIDE CORROSION INHIBITOR ABSTRACT OF THE INVENTION Oil dispersible ferrous metal corrosion inhibitors are prepared by first forming a primary amine-terminated amide adduct by reacting a mixture of monomeric, dimeric and trimeric 1,6-hexanediamine with polyfunctional acids at a ratio of reactants such that the adduct is substantially completely terminated with primary amine groups and neutralizing the primary amine-terminated amide adduct with a carboxylic acid. Alternatively, water dispersible adducts may be prepared by reacting the primary amine-terminated amide adduct with an oxirane compound to produce a polyether derivative of the amine- terminated adduct. 1.

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