FIELD: chemical technology, in particular cooling system for internal combustion engine and heat-transfer agent for heat-transfer device.
SUBSTANCE: claimed inhibitor contains (mass %): adipic acid 6.5-7.5; sodium hydroxide 4.5-5.0; sodium tetraborate 10 aqueous 4.0-4.5; alkali salt of 2-mercaptobenzothiazole 0.10-0.15; water 10.0-12.0; reaction product of sodium nitrite with benzoic acid; and balance: ethylene glycol.
EFFECT: metals, including aluminum, with improved corrosion resistance while keeping of necessary reserve of antifreezing agent alkalinity.
2 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| ANTIFREEZE CORROSION INHIBITOR | 2003 |
|
RU2232209C1 |
| CORROSION INHIBITOR FOR LOW-FREEZING COOLING LIQUIDS | 2006 |
|
RU2302479C1 |
| CORROSION INHIBITOR FOR LOW-FREEZING FLUIDS | 2006 |
|
RU2303083C1 |
| CORROSION INHIBITOR FOR LOW-FREEZING COOLANT FLUID | 2005 |
|
RU2299271C1 |
| CORROSION INHIBITOR FOR LOW-FREEZING COOLANT FLUID | 2005 |
|
RU2299272C1 |
| CORROSION INHIBITOR FOR ANTIFREEZES | 2008 |
|
RU2356927C1 |
| COOLING FLUID | 2001 |
|
RU2213119C2 |
| ANTIFREEZE CONCENTRATE | 2004 |
|
RU2263131C1 |
| FORMULATION OF CAR COOLING AGENT COMPATIBLE WITH OTHER COOLING AGENTS | 2019 |
|
RU2748915C2 |
| COOLANT FORMULATION | 2019 |
|
RU2751880C2 |
