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 a hydroxyl-linked polycyclic fused ring component.
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)在约7,000至约500,000之间的烃基聚合物制备的,其中聚合物骨架已经与
乙烯基不饱和酰化剂和羟基连接的多环融合环组分进行了官能化。