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以ED3A为亲水基团的螯合性表面活性剂同时具有良好的表面活性和络合金属离子的作用。介绍了N-酰基ED3A和N-烷基ED3A两类螯合性表面活性剂的制备工艺,并对现有各种工艺路线的优缺点做了评述,预计了其工业发展前景,展望了此类螯合性表面活性剂的发展方向。
The chelating surfactants with ED3A as hydrophilic group have good surface activity and complex metal ions. The preparation technology of two kinds of chelating surfactants, N-acyl ED3A and N-alkyl ED3A, were introduced. The advantages and disadvantages of various existing process routes were reviewed. The prospect of industrial development was forecasted. Development of Chelating Surfactants.