| 摘要 |
This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity and a minor amount of (A) a compound represented by the formula <CHEM> wherein in Formula (A-I): X<1>, X<2> and X<3> are independently O or S, and X<2> and X<3> can be NR<1> wherein R<1> is hydrogen or hydrocarbyl; and G<1>, G<2>, G<3> and G<4> are independently R<2>, OR<2> or R<3>OR<2>, wherein R<2> is hydrogen or hydrocarbyl and R<3> is hydrocarbylene or hydrocarbylidene. In one embodiment, the inventive composition further comprises (B) an acylated nitrogen-containing compound having a substituent of at least about 10 aliphatic carbon atoms. In one embodiment, the inventive composition further comprises (C) a phosphorus compound. In one embodiment, the inventive composition further comprises (D) a thiocarbamate. In one embodiment, the inventive composition further comprises (E) a organic sulfide. In one embodiment, the invention relates to a process comprising mixing the foregoing component (A) with an oil of lubricating viscosity, and, optionally, one or more of the foregoing components (B), (C), (D) and/or (E). |
