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Controllable one-step double emulsion formation via phase inversion

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Abstract

Double emulsions, the simplest form of multiple emulsion, have been intensively utilized in various industries as well as in fundamental research. A variety of strategies to effectively form double emulsions have been developed, but no simple yet controlled and scalable technique has been achieved yet. Herein, we examine the mechanism of the entire process of double emulsion formation by phase inversion, and we propose a universal one-step strategy for the formation of an oil/water/oil double emulsion using oil soluble polymers and hydrophobic silica nanoparticles. We demonstrate that this new approach enables control of both the fraction and the number of inner small droplets; even high internal phase double emulsions could be achieved.

Graphical abstract: Controllable one-step double emulsion formation via phase inversion

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Publication details

The article was received on 29 Oct 2017, accepted on 01 Dec 2017 and first published on 04 Dec 2017


Article type: Paper
DOI: 10.1039/C7SM02134H
Citation: Soft Matter, 2018, Advance Article
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    Controllable one-step double emulsion formation via phase inversion

    S. Kim, K. Kim and S. Q. Choi, Soft Matter, 2018, Advance Article , DOI: 10.1039/C7SM02134H

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