The present invention relates to a lubricating composition comprising an oil of lubricating viscosity and a (thio)phosphate salt of an amine-functionalized esterified copolymer, wherein the esterified copolymer comprises units derived from monomers: (i) an α-olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof, that are esterified with an alcohol, or mixtures thereof, and wherein at least a portion of carboxylic acid groups not esterified react with an amine. The invention further provides for a lubricating composition containing said copolymer. The invention further provides a method and use of lubricating composition in a mechanical device.
本发明涉及一种润滑组合物,该组合物包含具有润滑粘度的油和胺官能化酯化共聚物的(
硫代)
磷酸酯盐,其中酯化共聚物包含衍生自单体的单元:(i) α-烯烃和 (ii)
乙烯基不饱和
羧酸或其衍
生物,这些单体与醇或其混合物酯化,其中至少一部分未酯化的
羧酸基团与胺反应。本发明进一步提供了一种含有所述共聚物的润滑组合物。本发明进一步提供了一种润滑组合物在机械装置中的使用方法和用途。