| 摘要 |
A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted ?-aminoester or ?-aminothioester, wherein the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain, provides exhibits basicity and good seal performance. |
