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应用微扰理论并借鉴二维气体理论的处理方法,建立了非离子表面活性剂水溶液的表面状态方程。将微扰理论与压力方程相结合,建立了离子表面活性剂水溶液的表面状态方程。运用提出的状态方程,分别对6种烷基聚氧乙烯醚、辛基酚聚氧乙烯醚、十二烷基硫酸钠等表面活性剂水溶液的表面压数据进行了关联,并利用关联所得的参数预测了其他种类的烷基聚氧乙烯醚及辛基酚聚氧乙烯醚和十二烷基硫酸钠水溶液在不同温度下的表面压。关联和预测的精度均较高,结果令人满意。
The surface state equation of nonionic surfactant aqueous solution was established by applying perturbation theory and referring to the two-dimensional gas theory. The perturbation theory is combined with the pressure equation to establish the surface state equation of the ionic surfactant aqueous solution. By using the equation of state, the surface pressure data of six kinds of surfactants, such as six alkyl polyoxyethylene ethers, polyoxyethylene octylphenol ether and sodium lauryl sulfate, were correlated respectively. The correlation parameters The surface pressures of other types of alkyl polyoxyethylene ethers and octylphenol ethoxylates and sodium lauryl sulfate aqueous solutions at different temperatures were predicted. Correlation and prediction accuracy are higher, the results are satisfactory.