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Emulsions Stabilized by Silica Rods via Arrested Demixing
A binary liquid–liquid mixture with a lower critical solution temperature (LCST) when heated above a critical temperature undergoes demixing. During the initial phase of demixing process, high-energy liquid–liquid interfaces are created before both liquids eventually phase separate. By incorporating...
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Published in: | Langmuir 2015-06, Vol.31 (24), p.6649-6654 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | A binary liquid–liquid mixture with a lower critical solution temperature (LCST) when heated above a critical temperature undergoes demixing. During the initial phase of demixing process, high-energy liquid–liquid interfaces are created before both liquids eventually phase separate. By incorporating well-characterized colloidal silica rods in a homogeneous one-phase liquid–liquid mixture of lutidine/water (L/W) before inducing phase separation, we show that colloidal rod stabilized Pickering emulsions can be obtained. We show that the droplet size of Pickering emulsions can be tuned by varying particle concentration, and the droplet size distribution follows the prediction of the limited coalescence model. |
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ISSN: | 0743-7463 1520-5827 |
DOI: | 10.1021/acs.langmuir.5b00775 |