METHOD FOR INHIBITION OF CORROSION IN WATER SYSTEMS Russian patent published in 1995 - IPC

Abstract RU 2038420 C1

FIELD: heat-exchange equipment. SUBSTANCE: method for inhibition of corrosion in water systems includes addition to water system of 2-methyl-5-vinylpyrydine polymer with molecular mass of 5000-50000 quanterized with bensylchloride up to 60-90% quaternization, and sodium hexametaphosphate in ratio of quaternized polymer-to-sodium hexametaphosphate of 1:(1-4) with concentration of quanternized polymer in aqueous medium of 1.0-2.5 mg/l. EFFECT: higher efficiency of protection from corrosion in aqueous media without use of heavy metal salts and without increased dosing of inhibiting components. 2 tbl

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RU 2 038 420 C1

Authors

Poluehktov P.T.

Krivosheeva E.I.

Molodyka A.V.

Krashchenko G.V.

Matveeva N.A.

Vorob'Ev E.V.

Dates

1995-06-27Published

1993-08-12Filed