An additive composition of (a) a substituted aromatic triazole and (b) a hydrocarbyl substituted succinic acylated polyamine dispersant, reacted with a boron compound, imparts improved corrosion resistance to lubricating oils which contain a multifunctional olefin copolymer viscosity index modifier.
一种由(a)取代的芳香族三唑和(b)烃基取代的琥珀酰化聚胺分散剂与
硼化合物反应而成的添加剂组合物,可提高含有多功能烯烃共聚物粘度指数调节剂的润滑油的抗腐蚀性。