LUBRICATING OIL FOR REFRIGERATOR AND HYDRAULIC FLUID COMPOSITION FOR REFRIGERATOR USING THE SAME
申请人:IDEMITSU KOSAN CO., LTD.
公开号:EP1312663A1
公开(公告)日:2003-05-21
The present invention proposes a lubricating oil for refrigerators comprising, as the base oil, a polyester-based derivative or a polyvinyl ether derivative and a polycarbonate-based oxygenated compound; a polyoxyalkylene glycol derivative; or a polyester-based derivative or a polyvinyl ether derivative and a polyoxyalkylene glycol derivative. The lubricating oil exhibits excellent miscibility with a refrigerant having one carbon atom and no chlorine atoms and, in particular, with difluoromethane and provides a hydraulic fluid composition exhibiting excellent antiwear, lubricity and stability.
本发明提出了一种冰箱润滑油,其基础油包括聚酯基衍生物或聚乙烯醚衍生物和聚碳酸酯基含氧化合物;聚氧烷基二醇衍生物;或聚酯基衍生物或聚乙烯醚衍生物和聚氧烷基二醇衍生物。该润滑油与具有一个碳原子且不含氯原子的制冷剂,特别是与二氟甲烷具有极佳的混溶性,并提供一种具有极佳抗磨损性、润滑性和稳定性的液压油组合物。