CORROSION INHIBITOR FOR ANTIFREEZES Russian patent published in 2009 - IPC C09K5/00 C23F11/00

Abstract RU 2356927 C1

FIELD: chemistry.

SUBSTANCE: present invention relates to chemical engineering and can be used in cooling systems of internal combustion engines and as heat carrier in heat exchangers. The inhibitor contains the following, in wt %: triethanolamine phosphate 50-60; water 10-11; non-ferrous metal corrosion inhibitor 0.18-0.5; disodium salt of ethylendiaminetetraacetic acid 0.65-0.75; antifoaming agent 0.02-0.03; ethylene glycol - the rest.

EFFECT: longer service life of antifreeze, its stability at high temperatures and under the effect of sunlight, reduced toxicity, corrosion resistance in relation to non-ferrous, as well as ferrous metals, while retaining resistance to hard water.

2 cl, 3 tbl, 22 ex

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RU 2 356 927 C1

Authors

Belikov Sergej Evgen'Evich

Dates

2009-05-27—Published

2008-02-26—Filed