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 (Mn) 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,适用于作为润滑油中的分散剂粘度指数改进剂;该组合物是通过反应具有平均数分子量(Mn)在大约7,000至大约500,000之间的碳氢化合物聚合物制备的,其中聚合物主链已经被
乙烯基不饱和酰化剂和芳氧基-烷基胺官能化。