LUBRICATING OIL COMPOSITION FOR HYBRID VEHICLE

A lubricating oil composition comprising an oil of lubricating viscosity, one or more compounds containing a carboxylic acid functional group or an ester functional group represented by formula (I) # imgabs0 # each R1, R2, R3, R4, R5 and R6 is independently hydrogen or a hydrocarbyl group; at least one of R1, R2, R3 and R4 is a hydrocarbyl group; and a polyalkylene glycol # imgabs 1 # represented by formula (II), each of R7, R8 and R9 is independently hydrogen or a hydrocarbon group, and n is 5 to 1000. 润滑油组合物包含具有润滑粘度的油、一种或多种含有羧酸官能团或酯官能团的化合物，所述化合物由式(I)表示#imgabs0#每个R1、R2、R3、R4、R5和R6独立地为氢或烃基基团；R1、R2、R3和R4中的至少一个为烃基基团；以及由式(II)表示的聚亚烷基二醇#imgabs1#每个R7、R8和R9独立地为氢或烃基基团，并且n为5至1000。