LUBRICANT OIL COMPOSITION COMPRISING BORATED CYCLIC CARBOXYLIC ACID IMIDE

摘要

The present invention provides a lubricant oil composition for an automatic and continuously variable transmission with a built-in torque converter equipped with a lock-up clutch, which is incorporated, in the base oil, with a compound containing at least one type of cyclic carboxylic acid imide having boron in the molecule and substituted by an alkyl or alkenyl group, wherein the cyclic carboxylic acid imide is contained at 0.1 to 12 wt% based on the whole composition.