Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/12766
Title: Preparation of interconnected pickering polymerized high internal phase emulsions by arrested coalescence
Authors: Durgut, Enes
Sherborne, Colin
Aldemir Dikici, Betül
Reilly, Gwendolen C.
Claeyssens, Frederik
Keywords: Coalescence
Emulsification
Emulsion
Pore structure
Issue Date: Sep-2022
Publisher: American Chemical Society
Abstract: Emulsion templating is a method that enables the production of highly porous and interconnected polymer foams called polymerized high internal phase emulsions (PolyHIPEs). Since emulsions are inherently unstable systems, they can be stabilized either by surfactants or by particles (Pickering HIPEs). Surfactant-stabilized HIPEs form materials with an interconnected porous structure, while Pickering HIPEs typically form closed pore materials. In this study, we describe a system that uses submicrometer polymer particles to stabilize the emulsions. Polymers fabricated from these Pickering emulsions exhibit, unlike traditional Pickering emulsions, highly interconnected large pore structures, and we related these structures to arrested coalescence. We describe in detail the morphological properties of this system and their dependence on different production parameters. This production method might provide an interesting alternative to poly-surfactant-stabilized-HIPEs, in particular where the application necessitates large pore structures.
Description: Article; Early Access
URI: https://doi.org/10.1021/acs.langmuir.2c01243
https://hdl.handle.net/11147/12766
Appears in Collections:Materials Science and Engineering / Malzeme Bilimi ve Mühendisliği
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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