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本文介绍表面膜的基本概念;利用π-A关系测定不溶于水的表面活性物的分子量,分子截面积和分子长度的方法;以及表面膜中分子的物理状态及防止水蒸发的能力。
This paper presents the basic concepts of surface films; the method of determining the molecular weight, molecular cross-sectional area and molecular length of water-insoluble surfactants using the π-A relationship; and the physical state of the molecules in the surface film and the ability to prevent water evaporation.