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Wetting of soap bubbles on hydrophilic, hydrophobic, and superhydrophobic surfaces

Steve Arscott
2013 Applied Physics Letters  

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2013 pre-print arXiv:1303.6414v1 fatcat:6qah32sgrjcrrl3p6w6crdhc7u
Wetting of sessile bubbles on solid and liquid surfaces has been studied. A model is presented for the contact angle of a sessile bubble based on a modified Young equation - the experimental results agree with the model. A hydrophilic surface results in a bubble contact angle of 90 deg whereas on a superhydrophobic surface one observes 134 deg. For hydrophilic surfaces, the bubble angle diminishes with bubble radius - whereas on a superhydrophobic surface, the bubble angle increases. The size
more » ... the Plateau borders governs the bubble contact angle - depending on the wetting of the surface.
doi:10.1063/1.4812710 fatcat:llodqyzzjbc45jkotklwz2flqa
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Steve Arscott. "Wetting of soap bubbles on hydrophilic, hydrophobic, and superhydrophobic surfaces." Applied Physics Letters 102.25 (2013) 254103