| 摘要 |
PROBLEM TO BE SOLVED: To provide a synthetic lubricant which has high stability, hardly causes degradation of an ion liquid, and can stably exhibit excellent friction adjustment performance and rust-prevention performance.SOLUTION: A synthetic lubricant contains, as a main component, an ionic liquid (A) containing tricyanomethanide anion, and also contains imidazolium phosphoric ester salt (B). |
