Issue 11, 2010
From the journal:

Soft Matter

Super-hydrophobic film retards frost formation†

Min He,ab   Jingxia Wang,a   Huiling Li,a   Xiaoling Jin,a   Jianjun Wang,a   Biqian Liu*a  and  Yanlin Song*ac  

* Corresponding authors

a Beijing National Laboratory for Molecular Sciences (BNLMS), Laboratory of New Materials, Institute of Chemistry Chinese Academy of Sciences, Beijing, P. R. China

b Graduate University of the Chinese Academy of Sciences, Beijing, P. R. China

c Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences, Beijing, P. R. China
E-mail: ylsong@iccas.ac.cn

Abstract

Hydrophobic and super-hydrophobic isotactic polypropylene (i-PP) films were prepared and the process of frost formation was investigated. It was found that frost formation is greatly retarded on the super-hydrophobic i-PP surface. During the frost formation, the wettability on the super-hydrophobic film oscillates, while the wettability on the hydrophobic film increases steadily. This special oscillation is due to the micro- and nanometre structures, which leads to the delay of the solidification of liquid water at the three-phase line (TPL) region. This result gives a new explanation for the retardation of frost formation on the super-hydrophobic film surface and will be of great significance for the effective design of anti-frost materials.

Graphical abstract: Super-hydrophobic film retards frost formation

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Supplementary files

Article information

DOI
https://doi.org/10.1039/C0SM00024H
Article type
Communication
Submitted
24 Feb 2010
Accepted
08 Apr 2010
First published
28 Apr 2010

Soft Matter, 2010,6, 2396-2399

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Super-hydrophobic film retards frost formation

M. He, J. Wang, H. Li, X. Jin, J. Wang, B. Liu and Y. Song, Soft Matter, 2010, 6, 2396 DOI: 10.1039/C0SM00024H

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