COOLING LIQUID CONCENTRATE Russian patent published in 2014 - IPC C09K5/10 C09K5/20 C23F11/14 C23F11/08 C23F11/10 

FIELD: chemistry.

SUBSTANCE: invention relates to field of chemical technology, in particular to low-freezing cooling liquids, and can be used as heat carrier in cooling systems of internal combustion engines, as well as in household and industrial equipment. Cooling liquid concentrate contains, wt %: 1.44-1.69 of sebacinic acid, 0.15-0.39 of benzoic acid, 1.12-1.35 of succinic acid, 4.89-5.26 of diethanolamine, and/or triethanolamine, and/or dioxyethylethylenediamone, 0.31-0.51 of carbamide, 89.92-90.80 of ethyleneglycol, and/or propyleneglycol, and/or glycerol; 0.002-0.004 of dye and water - the remaining part.

EFFECT: invention makes it possible to increase anticorrosion properties with respect to each element of structures.

3 tbl, 15 ex