Pickering emulsions with controllable stability

被引：346
|
作者：
Melle, S
Lask, M
Fuller, GG [1 ]
机构：
[1] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA
[2] Univ Complutense Madrid, Fac Ciencias Fis, Dept Opt, E-28040 Madrid, Spain
来源：
LANGMUIR | 2005年 / 21卷 / 06期
关键词：
D O I：
10.1021/la047691n
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We prepare solid-stabilized emulsions using paramagnetic particles at an oil/water interface that can undergo macroscopic phase separation upon application of an external magnetic field. A critical field strength is found for which emulsion droplets begin to translate into the continuous-phase fluid. At higher fields, the emulsions destabilize, leading to a fully phase-separated system. This effect is reversible, and long-term stability can be recovered by remixing the components with mechanical agitation.
引用
收藏
页码：2158 / 2162
页数：5
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