| 摘要 |
PURPOSE:A refrigerator oil composition for room air conditioning of rotary type refrigerator with a flon gas, having improved viscosity index and sealing properties, obtained by blending a base oil comprising a mineral oil, etc., with a specific amount of an organic silicone polymer. CONSTITUTION:(A) A base oil comprising one or more selected from a mineral oil, an alkylbenzene and an olefin (co)polymer oligomer is blended with <=90vol% organic silicone oil polymer (e.g., alkyl modified silicone, etc.,), to give the aimed refrigerator oil composition having >=100 viscosity index. |
