Wang Zhen, Wang Yapei
Department of Chemistry, Renmin University of China, Beijing 100872, China.
Materials (Basel). 2016 Nov 8;9(11):903. doi: 10.3390/ma9110903.
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.
以颗粒作为乳化剂的皮克林乳液，因其与传统乳液相比在生物相容性和稳定性方面的优势，已在科学研究和工业生产中得到广泛应用。对皮克林乳液稳定性和类型的控制在这些应用中起着重要作用。在目前构建可控皮克林乳液的方法中，调节颗粒的两亲性相对有效，并引起了广泛关注。在这篇综述中，我们重点介绍了在调节颗粒两亲性以控制皮克林乳液的稳定性和类型方面的一些最新进展。通过不同机制对包括刚性颗粒、软颗粒和Janus颗粒在内的三种类型颗粒的两亲性进行了调整，并在此进行了详细讨论。通过改变这些颗粒的表面性质，成功实现了皮克林乳液的稳定 - 不稳定相互转换和相转变。本文对可控皮克林乳液进行了全面综述，有望为新型皮克林乳液的设计和制备提供启发，并最终指导功能材料的制备。
