申请人:Nippon Oil Corporation
公开号:EP1820840A1
公开(公告)日:2007-08-22
The lubricating oil composition of the present invention comprises a base oil for lubricating oil, (A) at least one species selected from the phosphorus compounds represented by the following General Formula (1) or (2) as well as metal salts (excluding molybdenum salts) and amine salts thereof, and (B) an organic molybdenum compound not containing sulfur as a constituent element (in the formula, R1 and R4 represent hydrocarbon groups having 1 to 30 carbons, R2, R3, R5 and R6 represent hydrogen atoms or hydrocarbon groups having 1 to 30 carbons, X1 to X7 represent oxygen atoms or sulfur atoms, and n represents 0 or 1).
本发明的润滑油组合物包括润滑油基础油、(A) 至少一种选自以下通式(1)或(2)所代表的磷化合物及其金属盐(不包括钼盐)和胺盐、(B) 不以硫为组成元素的有机钼化合物(式中,R1 和 R4 代表碳原子数为 1 至 30 的烃基,R2、R3、R5 和 R6 代表氢原子或碳原子数为 1 至 30 的烃基,X1 至 X7 代表氧原子或硫原子,n 代表 0 或 1)。