刺激响应性Pickering乳液及其应用研究进展

doi:10.3969/j.issn.1001-1803.2021.06.013

摘要/Abstract

摘要：

Pickering乳液具有很多优势,尤以动力学因素赋予的优异稳定性著称。但实际应用中经常只需要体系暂时稳定,而后根据应用过程的需要实现快速破乳或者使乳液类型发生转变。因此,近年来刺激响应性Pickering乳液受到了广泛关注。文章主要从影响乳液性质的颗粒润湿性入手,总结了赋予Pickering乳液以响应行为的常见策略,综述了对pH、温度、CO₂、光、外力场、氧化-还原、离子强度等单一刺激以及多重外部刺激发生响应行为的Pickering乳液,并简要介绍了Pickering乳液的刺激响应行为在催化反应、物质控释、高内相乳液制备、材料制备等领域的应用,最后对其发展方向进行了展望。

关键词: Pickering乳液, 刺激响应性, 润湿性, 破乳, 相转变

Abstract:

Pickering emulsions have many advantages and are particularly well-known for their excellent stability imparted by kinetic factors. However, it is often necessary to temporarily stabilize the system, and then to quickly break the emulsion or change the emulsion type to reach the needs in many application processes. Therefore, the stimuli-responsive Pickering emulsions have received extensive attention. Started with one of the important factors affecting the properties of emulsions, this paper summarized the wettability of particles, as well as the common strategies for bringing responsive behavior to Pickering emulsions. Pickering emulsions that responded to stimuli such as pH, temperature, CO₂, light, external force field, oxidation-reduction, ionic strength, and multiple stimuli, were reviewed. The applications of the stimulus-responsive behavior of Pickering emulsions in catalytic reaction, controlled release of substances, high internal phase emulsion preparation, material preparation were briefly introduced. The development directions of stimulus-responsive Pickering emulsions in the future were also prospected.

Key words: Pickering emulsions, stimuli-responsive, wettability, demulsification, phase inversion

中图分类号:

O648.2+3

龚成易,于浩,王琦琦,孙继勇,宋爱新. 刺激响应性Pickering乳液及其应用研究进展[J]. 日用化学工业, 2021, 51(6): 554-563.

GONG Cheng-yi,YU Hao,WANG Qi-qi,SUN Ji-yong,SONG Ai-xin. Progress on stimulus-responsive Pickering emulsions and their applications[J]. China Surfactant Detergent & Cosmetics, 2021, 51(6): 554-563.

图/表 6

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