| 摘要 |
PROBLEM TO BE SOLVED: To provide an additive for oils capable of imparting oils such as lubricant oils with wear-resistance characteristics or friction-resistance characteristics, and a lubricant oil. SOLUTION: The additive for oils contains a compound expressed by formula (I), wherein A and B express each a single bond, a hydrocarbylene or the like; X and Y express each S or a single bond; W and Z express each H, NR<SP>1</SP>R<SP>2</SP>or the like, W and Z do not express H at the same time; R<SP>1</SP>and R<SP>2</SP>express each H, hydrocarbyl, hydrocarbylcarbonyl or the like; n and m express each an integer of 0-5. COPYRIGHT: (C)2009,JPO&INPIT |
