| 摘要 |
PROBLEM TO BE SOLVED: To provide: a lubricant additive having solubility in a base oil and anti-wear performance and not containing phosphorus or sulfur; and a lubricating oil composition comprising the lubricant additive.SOLUTION: The lubricant additive comprises a borazine compound represented by the specified general formula (1). The lubricating oil composition comprises a lubricating base oil and the lubricant additive. [In the formula (1), R, Rand Reach independently represent hydrogen, a C1-C30 hydrocarbon group, or a C1-C30 hydrocarbon group containing a heteroelement other than phosphorus and sulfur; and R, Rand Reach independently represent hydrogen, a C1-C30 hydrocarbon group, or a C1-C30 hydrocarbon group containing either oxygen, boron or nitrogen.] |
