INHIBITOR OF CORROSION FOR LOW-FREEZING COOLING LIQUIDS Russian patent published in 2010 - IPC C23F11/14 

Abstract RU 2393271 C1

FIELD: metallurgy.

SUBSTANCE: inhibitor of corrosion contains wt %: 5.5-6.5 of sebacic acid, 3.0-4.0 of adipinic acid, 6.0-7.0 of sodium hydroxide, 2.0-3.0 of benzoic acid, 2.5-3.5 of succinic acid, 35.0-40.0 of water, 0.25-0.50 of triazobenzene, 0.02-0.04 of N-phenyl-2-naphtylamine, ethylenglycol - the rest.

EFFECT: upgraded corrosion resistance of all structure materials of cooling systems and prevention of pitting corrosion on surface of steel and iron.

2 tbl, 19 ex

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RU 2 393 271 C1

Authors

Esenin Vladimir Nikolaevich

Chizhov Evgenij Borisovich

Vizhankov Evgenij Mikhajlovich

Dates

2010-06-27Published

2009-07-01Filed