多元表面活性剂复配的分子热力学模型研究

程锦; 陈章洋; 张峪铭; 段奇; 练成; 刘洪来

doi:10.11949/0438-1157.20200678

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多元表面活性剂复配的分子热力学模型研究

热力学 | 更新时间：2025-11-25

- 多元表面活性剂复配的分子热力学模型研究
- Molecular thermodynamic model for compounding of multiple surfactants
- 化工学报 2020年71卷第10期页码：4590-4600
- 作者机构：
  
  华东理工大学化学与分子工程学院，上海 200237
- 作者简介：
  
  程锦(1998—)，男，硕士研究生，chengjin9843@qq.com
  练成(1989—)，男，博士，特聘研究员，liancheng@ecust.edu.cn
- 基金信息：
  
  国家自然科学基金创新群体项目(51621002);国家自然科学基金项目(91834301;21808055);上海市青年科技英才扬帆计划(18YF1405400)
- DOI：10.11949/0438-1157.20200678
  中图分类号： TQ 013.1
- 收稿：2020-06-02，
  
  修回：2020-07-25，
  
  纸质出版：2020-10-05
- 稿件说明：
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程锦, 陈章洋, 张峪铭, 段奇, 练成, 刘洪来. 多元表面活性剂复配的分子热力学模型研究[J]. 化工学报, 2020, 71(10): 4590-4600

CHENG Jin, CHEN Zhangyang, ZHANG Yuming, DUAN Qi, LIAN Cheng, LIU Honglai. Molecular thermodynamic model for compounding of multiple surfactants[J]. CIESC Journal, 2020, 71(10): 4590-4600
程锦, 陈章洋, 张峪铭, 段奇, 练成, 刘洪来. 多元表面活性剂复配的分子热力学模型研究[J]. 化工学报, 2020, 71(10): 4590-4600 DOI： 10.11949/0438-1157.20200678.

CHENG Jin, CHEN Zhangyang, ZHANG Yuming, DUAN Qi, LIAN Cheng, LIU Honglai. Molecular thermodynamic model for compounding of multiple surfactants[J]. CIESC Journal, 2020, 71(10): 4590-4600 DOI： 10.11949/0438-1157.20200678.

摘要

表面活性剂在实际工业生产中有着广泛应用，一般多为多种表面活性剂的复配体系，利用不同组分的特性，使得复配体系具有比单一表面活性剂更优越的性能，而多元表面活性剂复配机理仍不是很清楚。采用实验与理论模型相结合的方法，研究混合表面活性剂各组分间的协同效应。首先以Flory-Huggins理论为基础，推导了多元表面活性剂体系的分子热力学模型，通过二元系实验数据关联出两两相互作用参数，可对多元体系临界胶束浓度(cmc)与混合表面活性剂胶束相组成进行预测，三元表面活性剂复配体系模型计算结果与实验值吻合较好。

Abstract

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.

关键词

Keywords

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