Wetting properties of the multiscaled nanostructured polymer and metallic superhydrophobic surfaces

Edward Bormashenko; Tamir Stein; Gene Whyman; Yelena Bormashenko; Roman Pogreb

doi:10.1021/la061622m

Wetting properties of the multiscaled nanostructured polymer and metallic superhydrophobic surfaces

Edward Bormashenko, Tamir Stein, Gene Whyman, Yelena Bormashenko, Roman Pogreb

Research output: Contribution to journal › Article › peer-review

218 Scopus citations

Abstract

A superhydrophobic surface is produced from industrial grade polymer materials. The surface comprises partly disordered triple-scaled arrays of polyvinylidene fluoride (PVDF) globules. An inherently superhydrophobic metallic surface is produced with polymer template. The mathematical model based on the Cassie-Baxter hypothesis of air trapping under a water drop is built, which gives the apparent contact angle on the manifold-scaled interface. The presence of several scales itself is not a sufficient condition of hydrophobicity of inherently wettable surfaces. The geometrical features favoring the increase of the vapor-water interface fraction are necessary for this phenomenon.

Original language	English
Pages (from-to)	9982-9985
Number of pages	4
Journal	Langmuir
Volume	22
Issue number	24
DOIs	https://doi.org/10.1021/la061622m
State	Published - 21 Nov 2006

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abstract = "A superhydrophobic surface is produced from industrial grade polymer materials. The surface comprises partly disordered triple-scaled arrays of polyvinylidene fluoride (PVDF) globules. An inherently superhydrophobic metallic surface is produced with polymer template. The mathematical model based on the Cassie-Baxter hypothesis of air trapping under a water drop is built, which gives the apparent contact angle on the manifold-scaled interface. The presence of several scales itself is not a sufficient condition of hydrophobicity of inherently wettable surfaces. The geometrical features favoring the increase of the vapor-water interface fraction are necessary for this phenomenon.",

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AU - Pogreb, Roman

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Wetting properties of the multiscaled nanostructured polymer and metallic superhydrophobic surfaces

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