Disclosed is an oil-soluble lubricating oil additive composition, suitable for use as a dispersant viscosity index improver in lubricating oils; prepared by the process which comprises reacting a hydrocarbon polymer having a number average molecular weight (M
n
) between about 7,000 and about 500,000 wherein the polymer backbone has been functionalized with an ethylenically unsaturated acylating agent and an aryloxy-alkylene amine.
本发明公开了一种油溶性润滑油添加剂组合物,适用于用作润滑油中的分散剂粘度指数改进剂;所述组合物是通过以下过程制备的:反应具有约7,000至约500,000的数均分子量(Mn)的烃基聚合物,其中聚合物骨架已经被
乙烯基不饱和酰化剂和芳基氧基-烷基胺官能化。