| 摘要 |
1379956 Refrigerant/lubricant compositions THERMO KING CORP 29 March 1972 [17 May 1971] 14713/72 Headings C4X and C5F A compressor refrigerant system embodies a fluorocarbon refrigerant in contact with a lubricating composition comprising an oil of viscosity 100-300 SUS at 100‹ F., and at least 1 wt. per cent of a chlorinated and/or fluorinated biphenyl, diphenylether or an alkyl derivative thereof. The oil base may be a hydrofined mineral oil or synthetic polybutene. In examples, the halo-aromatic additive is chlorobiphenyl, dodecylmonochlorodiphenyl oxide, trichlorobiphenyl, and chlorodiphenyl oxides. |
