Water soluble corrosion inhibitors

Details Water soluble corrosion inhibitors Water soluble corrosion inhibitors

C - Chemistry, Metallurgy

23

F

C23F 11/14 (2006.01) C09K 8/54 (2006.01)

Patent

CA 2231973

This invention relates to water-soluble corrosion inhibiting compositions and the method of making the same. Specifically, this invention relates to inhibiting the corrosion of metals, particularly those employed in the production, processing, and transportation of petrochemical products. These water-soluble corrosion inhibiting compositions are created by neutralizing a C22 tricarboxylic acid with aminoethylethanolamine and a member selected from the group consisting of imidazoline, amidoamine, and combinations thereof. The resulting compositions exhibit excellent film persistency characteristics even when utilized in small amounts.

La présente invention porte sur une composition anticorrosion hydrosoluble et sur une méthode pour la préparer. L'invention porte spécifiquement sur l'inhibition de la corrosion des métaux, particulièrement de ceux utilisés pour la production, le traitement et le transport des produits pétrochimiques. Ces compositions anticorrosion hydrosolubles sont obtenues par neutralisation d'un acide tricarboxylique C22 avec l'aminoéthyléthanolamine et un composé choisi dans le groupe de l'imidazoline, de l'amidoamine et de leurs combinaisons. Les compositions résultantes forment des pellicules possédant d'excellentes qualités de rémanence, même lorsqu'elles sont employées en petites quantités.

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