Sliding/rolling phobic droplets along a fiber : measurement of interfacial forces

Phobic droplet-fiber systems possess complex geometries, which have made full characterization of such systems difficult. This work has used atomic force microscopy (AFM) to measure droplet-fiber forces for oil droplets on oleophobic fibers over a range of fiber diameters. The work adapted a previou...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 28(2012), 7 vom: 21. Feb., Seite 3483-8
1. Verfasser: Mead-Hunter, Ryan (VerfasserIn)
Weitere Verfasser: Bergen, Tanja, Becker, Thomas, O'Leary, Rebecca A, Kasper, Gerhard, Mullins, Benjamin J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Phobic droplet-fiber systems possess complex geometries, which have made full characterization of such systems difficult. This work has used atomic force microscopy (AFM) to measure droplet-fiber forces for oil droplets on oleophobic fibers over a range of fiber diameters. The work adapted a previous method and a theoretical model developed by the authors for philic droplet-fiber systems. A Bayesian statistical model was also used to account for the influence of surface roughness on the droplet-fiber force. In general, it has been found that the force required to move a liquid droplet along an oleophobic filter fiber will be less than that required to move a droplet along an oleophilic fiber. However, because of the effects of pinning and/or wetting behavior, this difference may be less than would otherwise be expected. Droplets with a greater contact angle (~110°) were observed to roll along the fiber, whereas droplets with a lesser contact angle (<90°) would slide 
650 4 |a Journal Article 
700 1 |a Bergen, Tanja  |e verfasserin  |4 aut 
700 1 |a Becker, Thomas  |e verfasserin  |4 aut 
700 1 |a O'Leary, Rebecca A  |e verfasserin  |4 aut 
700 1 |a Kasper, Gerhard  |e verfasserin  |4 aut 
700 1 |a Mullins, Benjamin J  |e verfasserin  |4 aut 
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