FIELD: compositions of working mixture for refrigeration systems and heat pumps. SUBSTANCE: working mixture comprises, mol.%: 1,1,2,2-tetrafluroethane, 5-90; lower alkane, 5-20; octafluropropane, the balance. Propane, isobutane, n-butane pentane or their binary mixtures are used as lower alkane. EFFECT: desired mixture has no fire hazard together with sufficient solubility of mixture with mineral refrigeration oils. 6 cl, 1 dwg, 4 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| WORKING MIXTURE FOR REFRIGERATOR SYSTEMS | 1994 |
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RU2109789C1 |
| OZONE-SAFE WORKING FLUID | 1994 |
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RU2072382C1 |
| REFRIGERANT FOR LOW-TEMPERATURE REFRIGERATION SYSTEMS | 2004 |
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RU2258729C1 |
| COMPOSITIONS CONTAINING FLUOROOLEFINS AND USE THEREOF | 2006 |
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RU2419646C2 |
