Use of biodegradable polymers in preventing corrosion and...

C - Chemistry – Metallurgy – 02 – F

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C02F 5/12 (2006.01) C08G 73/02 (2006.01)

Patent

CA 2210073

A biodegradable corrosion inhibitor, scale inhibitor and dispersant is provided. The inhibitor comprises one or more polymers from a family of poly(amino acid) polymers that include hydroxamic acid-containing sidechains. Methods of reducing corrosion and scale build-up and a method of dispersing solid particulates in a solution or slurry are provided by adding a polymer of the present invention to a solution or slurry.

Agent anti-corrosion, anti-tartre et dispersant, biodégradable. L'agent est constitué d'un ou de plusieurs polymères d'une famille de poly(amino-acides), renfermant des chaînes latérales contenant de l'acide hydroxamique. On présente les méthodes pour réduire la corrosion et la formation de tartre, ainsi qu'un procédé pour disperser les particules solides dans une solution ou suspension épaisse en leur ajoutant un polymère de l'invention.

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