Derivatives of polyalkylenepolyamines as corrosion inhibitors

Details Derivatives of polyalkylenepolyamines as corrosion inhibitors Derivatives of polyalkylenepolyamines as corrosion inhibitors

C - Chemistry, Metallurgy

07

C

C07C 211/63 (2006.01) C07C 217/42 (2006.01) C07C 305/04 (2006.01) C07F 9/38 (2006.01) C09K 8/54 (2006.01) C23F 11/14 (2006.01)

Patent

CA 2119574

2119574 9307307 PCTABS00021 A composition of polyalkylenepolyamine derivatives useful as a corrosion inhibitor in aqueous media produced by reacting a starting polyalkylenepolyamine composition comprising a mixture of: (i) at least one C-alkyl-ethylene diamine; and (ii) at least one di-(C-alkyl)-diethylenetriamine; wherein each C-alkyl group on the ethylene diamine and diethylenetriamine independently contain between 8-26 carbon atoms; with a derivatizing agent which is either an alkylating agent or an alkylene oxide. Methods for preparing this composition and using it to inhibit the corrosion of corrodible metal alloys are also disclosed.

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