Lubricating oil compositions having excellent thermal stabilty, extreme pressure resistance and anti-wear performance
申请人:Chevron Oronite Japan Limited
公开号:EP1148114A2
公开(公告)日:2001-10-24
The present invention relates to a lubricating oil composition for use in industrial oils such as hydraulic oils, bearing oils, industrial gear oils and sliding surface lubricating oils.
In its broadest aspect, the present invention comprises a lubricating oil composition having a major amount of a base oil of lubricating viscosity and a minor, but effective amount, of
A. at least one a compound selected from the group consisting of a phosphoric acid ester, a thiophosphoric acid ester, and amine salts thereof;
B. a phosphorus acid ester and/or an amine thereof; and
C. at least one compound selected from the group consisting of an alkenyl succinimide, an alkenyl succinic acid ester, benzylamine, and derivatives thereof.
The lubricating oil composition of the present invention provides excellent thermal stability, extreme pressure resistance and anti-wear performance.
本发明涉及一种用于液压油、轴承油、工业齿轮油和滑动表面润滑油等工业用油的润滑油组合物。
从最广泛的方面来说,本发明包括一种润滑油组合物,其主要成分是具有润滑粘度的基础油,以及少量但有效的以下成分
A. 至少一种选自磷酸酯、硫代磷酸酯及其胺盐组成的组的化合物;
B. 磷酸酯和/或其胺盐;以及
C. 至少一种选自烯基琥珀酰亚胺、烯基琥珀酸酯、苄胺及其衍生物的化合物。
本发明的润滑油组合物具有优异的热稳定性、极压抗性和抗磨损性能。