申请人:IDEMITSU KOSAN COMPANY LIMITED
公开号:EP0785247A1
公开(公告)日:1997-07-23
There is disclosed a refrigerating machine oil composition which comprises, in the form of a blend, a base oil comprising a mineral oil or a synthetic oil and at least one species selected from the group consisting of a metallic salt of an inorganic phosphoric acid, e.g. potassium phosphate, an amine salt of an inorganic phosphoric acid, e.g. octylamine phosphate, a metallic salt of an organic phosphoric acid, e.g. dipotassium lauryl phosphate, an amine salt of an organic phosphoric acid, e.g. monooctylamine dioleyl phosphate, a metallic salt of an organic phosphonic acid, e.g. dipotassium oleyl phosphonate, an amine salt of an organic phosphonic acid, e.g. octylamine dilauryl phosphonate, a metallic salt of an organic phosphorous acid, e.g. sodium dioleyl phoshite, and an amine salt of an organic phosphorous acid, e.g. octylamene dioleyl phosphite.
The refrigerating machine oil composition according to the present invention has excellent lubricating performance, enhances lubricity between an aluminum material and steel material, can suppress seizure and wear therebetween, does not bring about environmental pollution and thus is well suited as the lubricating oil for a refrigerating machine using, as the refrigerant, a hydrogen-containing Flon compound such as R134a.
本发明公开了一种冷冻机油组合物,它以混合物的形式包括矿物油或合成油基础油和至少一种选自以下组别的物质:无机磷酸的金属盐,如磷酸二氢钾;无机磷酸的胺盐,如辛基胺磷酸酯;有机磷酸的金属盐,如十二烷基磷酸氢钾;有机磷酸的胺盐,如二十二烷基磷酸单辛胺;有机膦酸的金属盐,如二辛基膦酸;有机膦酸的胺盐,如二十二烷基膦酸;有机膦酸的金属盐,如二辛基膦酸;有机膦酸的胺盐,如二十二烷基膦酸。有机磷酸的金属盐,如十二烷基磷酸氢钾;有机磷酸的胺盐,如二油酸单辛胺磷酸酯;有机膦 酸的金属盐,如油酰基膦酸二钾;有机膦酸的胺盐,如辛基胺二月桂酰基磷酸酯;有机膦酸的金属盐,如辛基胺二月桂酰基磷酸酯;有机膦酸的胺盐,如辛基胺二月桂酰基磷酸酯。有机膦酸的金属盐,例如亚磷酸二烯丙酯钠;有机膦酸的胺盐,例如亚磷酸辛基二烯丙酯。
本发明的冷冻机油组合物具有优异的润滑性能,可增强铝材料和钢材料之间的润滑性,可抑制铝材料和钢材料之间的咬合和磨损,不会造成环境污染,因此非常适合用作使用含氢氟龙化合物(如 R134a)作为制冷剂的冷冻机的润滑油。