Issue 22, 2012
From the journal:

Soft Matter

Unidirectional water-penetration composite fibrous film via electrospinning†

Jing Wu,a   Nü Wang,a   Li Wang,b   Hua Dong,b   Yong Zhao*a  and  Lei Jiang*ab  

* Corresponding authors

a Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University, Beijing 100191, P. R. China
E-mail: zhaoyong@buaa.edu.cn, jianglei@iccas.ac.cn
Fax: (+86)10-8262-7566

b Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, P. R. China

Abstract

An interesting “water diode” film is fabricated by a facile electrospinning technique. The fibrous film is a composite of hydrophobic polyurethane (PU) and hydrophilic crosslinked poly (vinyl alcohol) (c-PVA) fibrous layers. By taking advantages of the hydrophobic–hydrophilic wettability difference, water can penetrate from the hydrophobic side, but be blocked on the hydrophilic side.

Graphical abstract: Unidirectional water-penetration composite fibrous film via electrospinning

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Article information

DOI
https://doi.org/10.1039/C2SM25514F
Article type
Communication
Submitted
05 Mar 2012
Accepted
24 Apr 2012
First published
08 May 2012

Soft Matter, 2012,8, 5996-5999

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Unidirectional water-penetration composite fibrous film via electrospinning

J. Wu, N. Wang, L. Wang, H. Dong, Y. Zhao and L. Jiang, Soft Matter, 2012, 8, 5996 DOI: 10.1039/C2SM25514F

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