Route to stable non-spherical emulsion droplets |
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Authors: | Stefan AF Bon Steven D Mookhoek Patrick J Colver |
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Institution: | a University of Warwick, Department of Chemistry, Coventry CV4 7AL, United Kingdom b Delft University of Technology, Faculty of Aerospace Engineering, Kluyverweg 1, 2629 HS Delft, The Netherlands c Dutch Polymer Institute (DPI), P.O. Box 902, 5600 AX Eindhoven, The Netherlands d TNO Science and Industry, Department of Materials Performance, De Rondom 1, 5612 AP Eindhoven, The Netherlands |
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Abstract: | A route to the production of stable non-spherical emulsion droplets has been developed by pushing millimeter-sized liquid droplets stabilized by an excess amount of solid Pickering particles through a narrow capillary. This excess amount allows for the full coverage of the newly created droplets’ interface during deformation. Upon exiting the capillary the adhered particles wedge, or “jam”, on the surface preserving the non-spherical shape. Stable millimeter-sized non-spherical liquid droplets with aspect ratios exceeding 10 and cross-sections in line with capillary dimensions are easily obtained. Post-modification can be performed in conventional reactors. The ability to fabricate non-spherical droplets creates exciting opportunities in areas such as self-healing polymer composites. |
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Keywords: | Emulsion Assembly Droplets Non-spherical Polymerization Pickering stabilization |
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