Stabilization of Water-in-Water Emulsions by Nanorods
| Autor: | Taco Nicolai, Lazhar Benyahia, Karthik Peddireddy, Isabelle Capron |
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| Přispěvatelé: | Institut des Molécules et Matériaux du Mans (IMMM), Le Mans Université (UM)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Unité de recherche sur les Biopolymères, Interactions Assemblages (BIA), Institut National de la Recherche Agronomique (INRA) |
| Rok vydání: | 2022 |
| Předmět: |
Materials science
Polymers and Plastics Interfaces Mixing (process engineering) Carbohydrates Nanotechnology 02 engineering and technology 010402 general chemistry 01 natural sciences Inorganic Chemistry chemistry.chemical_compound Phase (matter) Materials Chemistry Static light scattering Cellulose chemistry.chemical_classification Organic Chemistry food and beverages Liquids Polymer 021001 nanoscience & nanotechnology 0104 chemical sciences Creaming Cellulose nanocrystals [CHIM.POLY]Chemical Sciences/Polymers chemistry Chemical engineering Nanorod Emulsions 0210 nano-technology Layers |
| Zdroj: | ACS Macro Letters ACS Macro Letters, Washington, D.C : American Chemical Society, 2016, 5 (3), pp.283-286. ⟨10.1021/acsmacrolett.5b00953⟩ |
| ISSN: | 2161-1653 |
| Popis: | International audience; Water-in-water (W/W) emulsions formed by mixing incompatible water-soluble polymers cannot be stabilized with molecular surfactants. However, they can be stabilized by particles through the so-called Pickering effect. Recently, it was shown that its stabilization can be achieved also with nanoplates. Here, we show for the first time that even nanorods in the form of cellulose nanocrystals (CNCs) can efficiently stabilize W/W emulsions. Static light scattering and confocal microscopy techniques were used to determine the surface coverage by CNCs. In the presence of SO mM NaCl very weak gels were formed by excess CNCs in the continuous phase. In this way creaming of the dispersed phase could be arrested. The nontoxicity, sustainability, and low cost of CNCs and the abundant availability of cellulose render these nanorods potentially highly suited for preparing W/W emulsions. |
| Databáze: | OpenAIRE |
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