| 摘要 |
<p>A refrigerator oil composition comprising 1,1,1,2-tetrafluoroethane as a refrigerant and a polyol ester compatible with the refrigerant as an oil, wherein the polyol ester contains a phenolic antioxidant, a specified amine compound and a phosphoric triester to prevent the hydrolysis of the polyol ester, thus preventing the corrosion of rollers, vanes, etc., of a sliding member due to the hydrolysis of the polyol ester and preventing the abrasion of the rollers, vanes, etc. <IMAGE></p> |
