Evolution Kinetics of Stabilizing Pickering Emulsion by Brush-Modified Janus Particles : DPD Simulation and Experimental Insights

In the present study, we report the evolution of stabilizing Pickering emulsions using brush-modified Janus particles (JPs), utilizing the dissipative particle dynamics (DPD) simulation technique. Our results are subsequently corroborated with experimental findings. Each JP has one-half of the hydro...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 40(2024), 27 vom: 09. Juli, Seite 13920-13934
1. Verfasser: Shrivastava, Samiksha (VerfasserIn)
Weitere Verfasser: Upadhyay, Ashank, Pradhan, Subhashree Subhasmita, Saha, Sampa, Singh, Awaneesh
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a In the present study, we report the evolution of stabilizing Pickering emulsions using brush-modified Janus particles (JPs), utilizing the dissipative particle dynamics (DPD) simulation technique. Our results are subsequently corroborated with experimental findings. Each JP has one-half of the hydrophobic surface, with the other half embedded with hydrophilic polymer brushes grown via atom transfer radical polymerization (ATRP). Our generic simulation model analyzes the chemical kinetics of polymer brush growth on one-half of the initiator-embedded microparticle (MP) surface, resulting in the formation of JP. This involves evaluating monomer conversion and reaction rates. Our results exhibit a substantial influence of the number of JPs, grafted brush density, and brush length on oil-in-water emulsion stability. We studied the evolution kinetics and stability of emulsion formation by analyzing the growth of average domain size and corresponding scaling functions up to a late time limit. This study aims to clarify the connection between the size, quantity, and functionality of JPs and the stability of Pickering emulsions 
650 4 |a Journal Article 
700 1 |a Upadhyay, Ashank  |e verfasserin  |4 aut 
700 1 |a Pradhan, Subhashree Subhasmita  |e verfasserin  |4 aut 
700 1 |a Saha, Sampa  |e verfasserin  |4 aut 
700 1 |a Singh, Awaneesh  |e verfasserin  |4 aut 
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