A lubricating oil composition containing in combination an acylating agent substituted with a polymer of an alkene with 6 to 40 carbon atoms and an acylating agent substituted with polyisobutylene provides improved viscometric properties for dispersants used in internal combustion engines.
一种润滑油组合物同时含有被 6 至 40 个碳原子的烯烃聚合物取代的酰化剂和被聚
异丁烯取代的酰化剂,为内燃机中使用的分散剂提供了更好的粘度特性。