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Capillary suspensions: Particle networks formed through the capillary force.
Current Opinion in Colloid & Interface Science ( IF 8.9 ) Pub Date : 2014-12-01 , DOI: 10.1016/j.cocis.2014.10.004
Erin Koos 1
Affiliation  

The addition of small amounts of a secondary fluid to a suspension can, through the attractive capillary force, lead to particle bridging and network formation. The capillary bridging phenomenon can be used to stabilize particle suspensions and precisely tune their rheological properties. This effect can even occur when the secondary fluid wets the particles less well than the bulk fluid. These materials, so-called capillary suspensions, have been the subject of recent research studying the mechanism for network formation, the properties of these suspensions, and how the material properties can be modified. Recent work in colloidal clusters is summarized and the relationship to capillary suspensions is discussed. Capillary suspensions can also be used as a pathway for new material design and some of these applications are highlighted. Results obtained to date are summarized and central questions that remain to be answered are proposed in this review.

中文翻译:

毛细悬浮液:通过毛细力形成的粒子网络。

向悬浮液中添加少量二次流体可以通过吸引毛细管力导致颗粒桥接和网络形成。毛细管桥接现象可用于稳定颗粒悬浮液并精确调整其流变特性。这种效应甚至会发生在次级流体对颗粒的润湿程度不如散装流体时。这些材料,即所谓的毛细管悬浮液,已成为最近研究网络形成机制、这些悬浮液的特性以及如何改变材料特性的研究的主题。总结了最近在胶体簇方面的工作,并讨论了与毛细管悬浮液的关系。毛细管悬浮液也可用作新材料设计的途径,其中一些应用被突出显示。
更新日期:2019-11-01
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