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烯基丁二酰亚胺型无灰添加剂是内燃机润滑油近年来的一个重要发展。其作用是使燃料油或润滑油中的碳粒、灰尘、燃烧灰份和机械杂质分散浮游于油中,不致沉积在机件上堵塞过滤器、导油管或活塞等。所以实际上它是一种非水介质表面活性剂。分子中含有两部份:一部份是非极性的,其效能是给添加剂提供油溶性;另一部份是极性的,其效能是通过离子或非离子机理给添加剂提供表面活性。其合成分三步:(1)异丁烯
Alkenyl succinimide ash-free additive is an important development of internal combustion engine lubricating oil in recent years. Its role is to make the fuel oil or lubricating oil carbon particles, dust, combustion ash and mechanical impurities dispersed in the floating oil, will not be deposited on the block clogging the filter, oil pipe or piston. So in fact it is a non-aqueous medium surfactant. The molecule contains two parts: one part is non-polar and its effectiveness is to provide oil-soluble additives; the other part is polar and its effectiveness is to provide surfactants with ionic or non-ionic mechanism of surface activity. The synthesis of three steps: (1) isobutylene