申请人:Chevron Oronite Company LLC
公开号:US10077410B2
公开(公告)日:2018-09-18
Disclosed is a lubricating oil composition comprising an oil of lubricating viscosity and an oil soluble synergistic mixture of antioxidants, said mixture comprising:
a) a hindered amine antioxidant according to formula (I)
wherein each R1 is independently selected from a substituted or unsubstituted, branched or linear, C1-C20 hydrocarbyl group; R2 is selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C1-C20 hydrocarbyl group; each R3 is independently selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C1-C20 hydrocarbyl group; each R4 is independently selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C1-C20 hydrocarbyl group; n is an integer from 1 to 4; and m is an integer from 1 to 5; and
b) a molybdenum succinimide complex.
本发明公开了一种润滑油组合物,该组合物由具有润滑粘度的油和抗氧化剂的油溶性增效混合物组成,所述混合物包括
a) 符合式 (I) 的受阻胺抗氧化剂
其中每个 R1 独立地选自一个取代或未取代的、支链或直链 C1-C20 烃基; R2 选自一个氢原子或一个取代或未取代的、支链或直链 C1-C20 烃基;每个 R3 独立地选自由氢原子或取代或未取代的、支链或直链 C1-C20 烃基组成的基团; 每个 R4 独立地选自由氢原子或取代或未取代的、支链或直链 C1-C20 烃基组成的基团; n 是 1 至 4 的整数;以及 m 是 1 至 5 的整数;以及
b) 琥珀酰亚胺钼络合物。