Two recipes for repelling hot water

It has previously been reported that hot drops impacting on a colder surface can lead to loss of surface hydrophobicity unless the surface features are very small. Here the authors find that both small and large features but not intermediate ones are able to preserve hydrophobicity.

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Detalles Bibliográficos
Autores principales: Timothée Mouterde, Pierre Lecointre, Gaëlle Lehoucq, Antonio Checco, Christophe Clanet, David Quéré
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
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Acceso en línea:https://doaj.org/article/a8ab1866425d4fc78a569fb65b75cfe2
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Descripción
Sumario:It has previously been reported that hot drops impacting on a colder surface can lead to loss of surface hydrophobicity unless the surface features are very small. Here the authors find that both small and large features but not intermediate ones are able to preserve hydrophobicity.