申请人:CHEVRON RESEARCH AND TECHNOLOGY COMPANY
公开号:EP0169715A2
公开(公告)日:1986-01-29
Additives useful as dispersants and/or detergents in lubricating oils, gasolines, marine crankcase oils and hydraulic oils are polyamino alkenyl or alkyl succinimides which have been modified to contain carbamate functionalities by converting one or more of the amino nitrogens to a hydrocarbyl carbamate, hydroxyhydrocarbyl carbamate or hydroxy poly(oxyalkylene) carbamate group. These additives can be prepared by reacting a polyamino alkenyl or alkyl succinimide with a cyclic carbonate, or a linear mono-or poly-carbonate, or a chloroformate.
在润滑油、汽油、船用曲轴箱油和液压油中用作分散剂和/或清洁剂的添加剂是聚氨基烯基或烷基琥珀酰亚胺,这些添加剂通过将一个或多个氨基硝基转化为氨基甲酸烃基、羟基氨基甲酸烃基或羟基聚(氧烷基)氨基甲酸烃基,从而改性为含有氨基甲酸酯官能团。 这些添加剂可通过将聚氨基烯基或烷基琥珀酰亚胺与环状碳酸酯或线性单碳酸酯或多碳酸酯或氯甲酸酯反应来制备。