Title |
Tailoring the Wettability of Colloidal Particles for Pickering Emulsions via Surface Modification and Roughness
|
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Published in |
Frontiers in Chemistry, June 2018
|
DOI | 10.3389/fchem.2018.00225 |
Pubmed ID | |
Authors |
Meina Xiao, Anli Xu, Tongtong Zhang, Liangzhi Hong |
Abstract |
Pickering emulsions are water or oil droplets that are stabilized by colloidal particles and have been intensely studied since the late 90s. The surfactant-free nature of these emulsions has little adverse effects such as irritancy and contamination of environment and typically exhibit enhanced stability compared to surfactant-stabilized emulsions. Therefore, they offer promising applications in cosmetics, food science, controlled release, and the manufacturing of microcapsules and porous materials. The wettability of the colloidal particles is the main parameter determining the formation and stability of Pickering emulsions. Tailoring the wettability by surface chemistry or surface roughness offers considerable scope for the design of a variety of hybrid nanoparticles that may serve as novel efficient Pickering emulsion stabilizers. In this review, we will discuss the recent advances in the development of surface modification of nanoparticles. |
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