LUBRICATING OIL FOR REFRIGERATOR, HYDRAULIC FLUID COMPOSITION FOR REFRIGERATOR AND METHOD FOR LUBRICATION OF REFRIGERATOR
申请人:NEW JAPAN CHEMICAL CO.,LTD.
公开号:EP1225213A1
公开(公告)日:2002-07-24
The invention provides a lubricating oil for refrigerators, comprising (a) at least one ester represented by the formula (1)
wherein R1 is C1 to C18 straight-chain alkyl or C3 to C18 branched-chain alkyl; R2 is H, C1 to C18 straight-chain alkyl or C3 to C18 branched-chain alkyl; with the poviso that the total number of carbons contained in the alkyls represented by R1 and R2 is 2 to 18 and that when R2 is H, R1 is branched-chain alkyl; and R3 is C1 to C20 straight-chain alkyl, C3 to C20 branched-chain alkyl or C3 to C10 cycloalkyl, optionally in combination with (b) at least one member selected from the group consisting of fatty acid polyol esters, phthalic acid esters, alicyclic dicarboxylic acid esters, polyvinyl ethers, hydrocarbon oils and polyalkylene glycols; as well as a method for lubricating a refrigerator using such a lubricating oil, and a working fluid composition for refrigerators comprising (I) component (a) or components (a) and (b) and (II) a refrigerant.
本发明提供了一种用于冰箱的润滑油,包括 (a) 至少一种由式 (1) 代表的酯类
其中 R1 是 C1 至 C18 直链烷基或 C3 至 C18 支链烷基;R2 是 H、C1 至 C18 直链烷基或 C3 至 C18 支链烷基;前提是 R1 和 R2 所代表的烷基所含的碳总数为 2 至 18,且当 R2 为 H 时,R1 为支链烷基;和 R3 是 C1 至 C20 直链烷基、C3 至 C20 支链烷基或 C3 至 C10 环烷基,可选择与 (b) 至少一种选自脂肪酸多元醇酯、邻苯二甲酸酯、脂环二羧酸酯、聚乙烯醚、烃油和聚烷基二 醇组成的组的成员结合使用;以及一种使用这种润滑油润滑冰箱的方法,和一种用于冰箱的工作液组合物,该组合物包括 (I) 成分 (a) 或成分 (a) 和 (b) 以及 (II) 制冷剂。