An additive reaction product prepared by reacting a copolymer selected from the group consisting of ethylene copolymers prepared from ethylene and at least one C₃-C₁₀ alpha-monoolefin and, optionally, a polyene and block copolymers prepared from styrene and a diene monomer with at least one olefinic carboxylic acid acylating agent, reacting said reaction intermediate with an unsaturated hydrocarbyl amine to form an imide reaction product; and reacting said imide reaction product with a nitroso compound, and a lubricating oil composition containing same.
一种添加剂反应产物,其制备方法是将选自由
乙烯和至少一种 C₃-C₁₀α-单烯烃制备的
乙烯共聚物以及(可选)聚烯和
苯乙烯和二烯单体制备的嵌段共聚物组成的组中的共聚物与至少一种烯烃
羧酸酰化剂反应,使所述反应中间体与不饱和烃基胺反应生成
亚胺反应产物;将所述
亚胺反应产物与亚
硝基化合物反应,以及含有
亚胺反应产物的润滑油组合物。