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控制皮克林乳液失稳:通过相转化制备新材料的途径。

Controlling Pickering Emulsion Destabilisation: A Route to Fabricating New Materials by Phase Inversion.

作者信息

Whitby Catherine P, Wanless Erica J

机构信息

Institute of Fundamental Sciences, University of Massey, Palmerston North 4410, New Zealand.

Priority Research Centre for Advanced Particle Processing and Transport, University of Newcastle, Callaghan, NSW 2308, Australia.

出版信息

Materials (Basel). 2016 Jul 27;9(8):626. doi: 10.3390/ma9080626.

Abstract

The aim of this paper is to review the key findings about how particle-stabilised (or Pickering) emulsions respond to stress and break down. Over the last ten years, new insights have been gained into how particles attached to droplet (and bubble) surfaces alter the destabilisation mechanisms in emulsions. The conditions under which chemical demulsifiers displace, or detach, particles from the interface were established. Mass transfer between drops and the continuous phase was shown to disrupt the layers of particles attached to drop surfaces. The criteria for causing coalescence by applying physical stress (shear or compression) to Pickering emulsions were characterised. These findings are being used to design the structures of materials formed by breaking Pickering emulsions.

摘要

本文的目的是综述关于颗粒稳定(或皮克林)乳液如何响应应力并分解的关键研究结果。在过去十年中,人们对于附着在液滴(和气泡)表面的颗粒如何改变乳液中的失稳机制有了新的认识。确定了化学破乳剂从界面置换或分离颗粒的条件。已表明液滴与连续相之间的传质会破坏附着在液滴表面的颗粒层。表征了通过对皮克林乳液施加物理应力(剪切或压缩)导致聚结的标准。这些研究结果正被用于设计通过破坏皮克林乳液形成的材料的结构。

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