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Materials 2016, 9(8), 626; doi:10.3390/ma9080626

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

1
Institute of Fundamental Sciences, University of Massey, Palmerston North 4410, New Zealand
2
Priority Research Centre for Advanced Particle Processing and Transport, University of Newcastle, Callaghan, NSW 2308, Australia
*
Author to whom correspondence should be addressed.
Academic Editor: Syuji Fujii
Received: 29 June 2016 / Revised: 22 July 2016 / Accepted: 22 July 2016 / Published: 27 July 2016
(This article belongs to the Special Issue Pickering Emulsion and Derived Materials)
View Full-Text   |   Download PDF [2703 KB, uploaded 27 July 2016]   |  

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. View Full-Text
Keywords: Pickering emulsion; particle-stabilised emulsion; destabilisation Pickering emulsion; particle-stabilised emulsion; destabilisation
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Whitby, C.P.; Wanless, E.J. Controlling Pickering Emulsion Destabilisation: A Route to Fabricating New Materials by Phase Inversion. Materials 2016, 9, 626.

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