Interfacial tension measurements of colloidal suspensions: An explanation of colloidal particle-driven interfacial flows

被引：21

作者：

Dong, LC ^{[1
]}

Johnson, D ^{[1
]}

机构：

[1] Univ Alabama, Dept Chem Engn, Tuscaloosa, AL 35487 USA

来源：

GRAVITATIONAL EFFECTS IN PHYSICO-CHEMICAL PROCESSES | 2003年 / 32卷 / 02期

关键词：

D O I：

10.1016/S0273-1177(03)90245-6

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

In previous work, we have shown that a dilute suspension of colloidal particles will spontaneously flow when placed in a container. The flow is caused by interfacial tension gradients created by aggregates of the colloidal particles on the interface. In this paper, we present some results that show the interfacial tension of charged stabilized titania suspensions significantly decreases within certain volume fractions. The data show that the interfacial tension is indeed a strong function of the particle concentration and help explain the unusual results seen in the flow experiments. (C) 2003 COSPAR. Published by Elsevier Ltd. All rights reserved.

引用

页码：149 / 153

页数：5

共 8 条

[1] Small voltage electrocapillary flows in the presence of ionic surfactants [J].