Corrosion inhibitor

Details Corrosion inhibitor Corrosion inhibitor

C - Chemistry, Metallurgy

09

K

31/35, 31/59

C09K 15/00 (2006.01) C09K 15/28 (2006.01) C09K 15/32 (2006.01) C23F 11/08 (2006.01)

Patent

CA 1042650

ABSTRACT OF THE DISCLOSURE A corrosion inhibitor which is comprised of a polyphosphate; a phosphonic acid or salt thereof; and a polymer of acrylic or methacrylic acid. The corrosion inhibitor is employed in aqueous systems and is capable of operating at a wide variety of conditions, including high temperature, high pH and in the presence of contami- nants such as hydrogen sulfide and hydrocarbons. A typical composition is comprised of sodium hexametaphosphate, sodium salt of amino tri (methylene-phosphonic acid) and polyacrylic acid.

211005

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