Molecular thermodynamic model for compounding of multiple surfactants

被引：0
|
作者：
Cheng J. [1 ]
Chen Z. [1 ]
Zhang Y. [1 ]
Duan Q. [1 ]
Lian C. [1 ]
Liu H. [1 ]
机构：
[1] School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai
来源：
Lian, Cheng (liancheng@ecust.edu.cn) | 1600年 / Materials China卷 / 71期
关键词：
Critical micelle concentration(cmc); Flory-Huggins theory; Model; Molecular thermodynamics; Phase equilibria; Surfactants; Synergistic effect;
D O I：
10.11949/0438-1157.20200678
中图分类号：
学科分类号：
摘要：
Surfactants are widely used in the actual industrial production. Generally, it is a compound system of multiple surfactants to make use of the characteristics of different components, so that the compound system has better performance than a single surfactant. The compounding mechanism of multiple surfactants is still an interesting topic. In this paper, experimental and theoretical models are used to study the synergistic effect among the components of mixed surfactants. Firstly, based on Flory-Huggins theory, the molecular thermodynamic model of the multi-component surfactant system is derived. The interaction parameters of the two systems are correlated through the experimental data of the binary system. The critical micelle concentration (cmc) of the multi-component system and the phase composition of the mixed surfactant micelle can be predicted. The calculated results of the three-component surfactant system model are in good agreement with the experimental values. © 2020, Chemical Industry Press Co., Ltd. All right reserved.
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页码：4590 / 4600
页数：10
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