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Lubricating base oil, lubricating oil composition containing lubricating base oil, and method for producing lubricating oil composition
Lubricating base oil, lubricating oil composition containing lubricating base oil, and method for producing lubricating oil composition
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机译:润滑基础油,含有润滑基础油的润滑油组合物,以及生产润滑油组合物的方法
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摘要
Provided is a method of lubricating a sliding part by applying a lubricating base oil containing an ester compound to the sliding part. The ester compound contains a mixture of one or more compounds represented by a general formula (1) wherein R1 and R2 independently represent a hydrogen, a methyl, a benzoyloxy, a naphthoyloxy, or general formula (2) (—O—C(═O)—R5), R3 and R4 independently represent a benzoyloxy group, a naphthoyloxy group, or general formula (2), and R5 represents a linear C5-21 alkyl group, a branched chain C9-21 alkyl group, or a C5-21 cycloalkyl group that may also be substituted with an alkyl chain. The mixture contains a compound in which at least one among R1 to R4 is general formula (2), and the proportion, in the mixture, of a compound in which at least one among R1 to R4 is a benzoyloxy group or a naphthoyloxy group is 5-100 mole %.
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