SILICATE-CONTAINING COOLING LIQUID CONCENTRATE Russian patent published in 2021 - IPC C09K5/10 C09K5/20 C23F11/08 C23F11/04 F24S80/20 

Abstract RU 2751005 C2

FIELD: coolants.

SUBSTANCE: group of inventions relates to a concentrate of a silicate-containing cooling liquid suitable for cooling an internal combustion engine, a solar installation or a refrigerator. The concentrate contains at least one freezing point reduction liquid, a mixture of two saturated aliphatic dicarboxylic acids or their salts of alkaline or alkaline earth metals, one saturated aliphatic monocarboxylic acid or its salt of an alkaline and alkaline earth metal, azole, a stabilizing silicate, at least one phosphonocarboxylic acid, and a molybdate anion selected from manganese molybdate, silicon tungstate, tellurium molybdate, and arsenic molybdate. The use of a silicate-containing cooling liquid concentrate for cooling an internal combustion engine, solar installation, or a refrigerator is also described.

EFFECT: provision of a cooling liquid that has a high resistance to flux residues and in which the silicon content remains almost unchanged in the presence of flux even under high thermal load.

5 cl, 1 tbl, 4 ex

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RU 2 751 005 C2

Authors

Berger, Stefan

Dates

2021-07-07Published

2016-11-10Filed