本文通过实验选出了适合用于测定聚酯型表面活性剂临界胶束浓度（cmc）的添加物二甲氨基偶氯苯，确定了最佳浓度区间，建立了简单、快速的测定方法。 In this paper, dimethylamino-chloro-chlorobenzene, which is an additive suitable for the determination of the critical micelle concentration (cmc) of polyester surfactants, was selected experimentally to determine the optimal concentration interval and a simple and rapid method was established.