Pickering nanoemulsions: An overview of manufacturing processes, formulations, and applications

Q3 Materials Science
Gaëlle Gauthier, Isabelle Capron
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引用次数: 17

Abstract

There is an increasing demand for emulsions with low viscosity, a large fraction of dispersed phase, high transparency, or long shelf life. Emulsions consisting of nanosized dispersed droplets meet these criteria, but conventional nanoemulsions require large quantities of surfactants, some of which are unwanted due to health and environmental concerns. Surfactants can then be replaced by solid particles, forming the so-called Pickering emulsions. Combining nanosized droplets and particle-stabilized emulsions leads to Pickering nanoemulsions. Since their first appearance in 2012, they have received increasing attention, but several points remain challenging; the choice of particles according to their origin, shape, sizes, and wetting properties and the process to produce drop sizes in the nano range. This review describes the recent advances in terms of manufacturing processes and destabilization mechanisms of Pickering nanoemulsions. It reports the particles used to stabilize the oil-water interface and strategies to improve their wetting properties, as well as examples of applications for the design of formulations in the pharmaceutics, food packaging, and enhanced oil recovery sectors.

Abstract Image

皮克林纳米乳液:制造工艺,配方和应用的概述
人们对低粘度、分散相含量高、透明度高或保质期长的乳剂的需求越来越大。由纳米级分散液滴组成的乳液符合这些标准,但传统的纳米乳液需要大量的表面活性剂,由于健康和环境问题,其中一些是不需要的。然后,表面活性剂可以被固体颗粒取代,形成所谓的皮克林乳剂。将纳米液滴与颗粒稳定的乳剂相结合,形成了皮克林纳米乳剂。自2012年首次亮相以来,它们受到了越来越多的关注,但有几个问题仍然具有挑战性;根据颗粒的来源、形状、大小和润湿性能选择颗粒,并在纳米范围内生产液滴尺寸。本文综述了近年来在皮克林纳米乳的制备工艺和不稳定机理方面的研究进展。它报告了用于稳定油水界面的颗粒和改善其润湿性能的策略,以及在制药,食品包装和提高石油采收率部门的配方设计中的应用实例。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
JCIS open
JCIS open Physical and Theoretical Chemistry, Colloid and Surface Chemistry, Surfaces, Coatings and Films
CiteScore
4.10
自引率
0.00%
发文量
0
审稿时长
36 days
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