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Meso–microscale study of glycerol/dodecanol Pickering emulsions stabilized by polystyrene-grafted silica nanoparticles for interfacial catalysis

Zhao, Guolin, Hong, Bing, Bao, Bo, Zhao, Shuangliang and Pera-Titus, Marc 2019. Meso–microscale study of glycerol/dodecanol Pickering emulsions stabilized by polystyrene-grafted silica nanoparticles for interfacial catalysis. Journal of Physical Chemistry C 123 (70) , pp. 12818-12826. 10.1021/acs.jpcc.9b01876

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Abstract

In this study, we report a combined meso–microscale computational study of Pickering emulsions stabilized by sulfonated polystyrene-grafted silica nanoparticles for the glycerol/dodecanol system using dissipative particle dynamics. Different glycerol/dodecanol emulsification regimes could be ascertained as a function of the length of polystyrene brushes as well as the surface density, sulfonation degree, and distribution of sulfonic acid groups in the brushes, matching experimental results. Local nanomixing effects between glycerol and dodecanol could be clearly identified in the vicinity of the catalytic sulfonic acid groups, unraveling potential reactivity zones for etherification.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: American Chemical Society
ISSN: 1932-7447
Last Modified: 12 Jan 2021 15:45
URI: http://orca.cardiff.ac.uk/id/eprint/137474

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