LUBRICATING OIL COMPOSITIONS

The present application relates to biodegradable zero drip lubricating oil composition. The lubricating oil composition comprises a) an oil soluble polyalkylene glycol polymer; b) a vegetable base stock; and c) organic solvent excluding alcohol, wherein the oil soluble poly alkylene glycol and the vegetable base stock are present in a weight ratio from 1:2.6 to 1:8. The biodegradable lubricating oil compositions have high film strength, high load carrying capability, zero anti-drip property and maximum penetrability in the chain linkages, for application in roller chains and driving power trains having complex chain linkages. 本申请涉及可生物降解的零滴落润滑油组合物。该润滑油组合物包含：a)油溶性聚亚烷基二醇聚合物；b)植物基础原料；以及c)有机溶剂，所述有机溶剂不包括醇，其中所述油溶性聚亚烷基二醇和所述植物基础原料以1∶2.6至1∶8的重量比存在。所述可生物降解的润滑油组合物在链条连接件中具有高膜强度、高承载能力、零防滴落特性和最大渗透性，以应用于滚子链条和具有复杂链条连接件的动力传动系中。