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Materials 2016, 9(11), 903; doi:10.3390/ma9110903

Tuning Amphiphilicity of Particles for Controllable Pickering Emulsion

Department of Chemistry, Renmin University of China, Beijing 100872, China
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Author to whom correspondence should be addressed.
Academic Editor: To Ngai
Received: 20 September 2016 / Revised: 3 November 2016 / Accepted: 4 November 2016 / Published: 8 November 2016
(This article belongs to the Special Issue Pickering Emulsion and Derived Materials)

Abstract

Pickering emulsions with the use of particles as emulsifiers have been extensively used in scientific research and industrial production due to their edge in biocompatibility and stability compared with traditional emulsions. The control over Pickering emulsion stability and type plays a significant role in these applications. Among the present methods to build controllable Pickering emulsions, tuning the amphiphilicity of particles is comparatively effective and has attracted enormous attention. In this review, we highlight some recent advances in tuning the amphiphilicity of particles for controlling the stability and type of Pickering emulsions. The amphiphilicity of three types of particles including rigid particles, soft particles, and Janus particles are tailored by means of different mechanisms and discussed here in detail. The stabilization-destabilization interconversion and phase inversion of Pickering emulsions have been successfully achieved by changing the surface properties of these particles. This article provides a comprehensive review of controllable Pickering emulsions, which is expected to stimulate inspiration for designing and preparing novel Pickering emulsions, and ultimately directing the preparation of functional materials. View Full-Text
Keywords: Pickering emulsion; particle-stabilized emulsion; particle amphiphilicity; emulsion stability; emulsion phase inversion Pickering emulsion; particle-stabilized emulsion; particle amphiphilicity; emulsion stability; emulsion phase inversion
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Wang, Z.; Wang, Y. Tuning Amphiphilicity of Particles for Controllable Pickering Emulsion. Materials 2016, 9, 903.

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