COMPOSITION FOR PROTECTION OF METALS AGAINST CORROSION AND SCALE Russian patent published in 2009 - IPC C23F11/14 C23F14/02

Abstract RU 2355821 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to compositions for corrosion inhibition and scales in heat-exchange equipment, for preparation of lubrication-cooling liquid and in-process protection of units and details made of ferrous and nonferrous metals. Composition contains wt %: sodium tripolyphosphate 10.0-20.0, benzotriazole 30.0-40.0, ethanolamine borate 40.0-60.0.

EFFECT: protection effectiveness increase against corrosion and scale, and also for protection against mechano-chemical wear of heat-exchange equipment made of ferrous and nonferrous metals.

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RU 2 355 821 C1

Authors

Gajdar Sergej Mikhajlovich

Lazarev Vladimir Alekseevich

Dates

2009-05-20—Published

2008-04-11—Filed