There is disclosed a refrigerating machine oil composition which comprises a base oil such as polyglycol, polyvinyl ether or the like which base oil is blended with an epoxy compound represented by the general formula (I)
wherein R1 and R2 are as defined in the text of the present specification or with at least one epoxy compound selected from the group consisting of D-limonene oxide, L-limonene oxide, a-pinene oxide and L-carvone oxide. The composition is excellent in stability, sludge preventive properties, copper-plating preventive properties, etc. and is particularly effective for use in an automobile air conditioner, a room air conditioner, a refrigerator, etc., thereby making itself extremely valuable from the viewpoint of industrial utilization.
REFRIGERATION MACHINE OIL, COMPOSITION FOR REFRIGERATION MACHINES, AND COMPRESSION-TYPE REFRIGERATION MACHINE
申请人:Idemitsu Kosan Co., Ltd
公开号:EP3351611A1
公开(公告)日:2018-07-25
The refrigerator oil of the present invention contains an oxygen-containing base oil and a viscosity index improver, and has a viscosity index (VI) of 200 or more and a volume resistivity of 1 × 109 Ω·m or more.