Issue 17, 2012
From the journal:

Journal of Materials Chemistry

Bio-inspired adhesive superhydrophobic polyimide mat with high thermal stability†

Guangming Gong,a   Juntao Wu,*a   Jingang Liu,b   Na Sun,a   Yong Zhao*a  and  Lei Jiangac  

* 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: wjt@buaa.edu.cn, zhaoyong@iccas.ac.cn

b Laboratory of Advanced Material, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, P. R. China

c Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, P. R. China

Abstract

Superhydrophobic surface with high solid/liquid adhesion is of great fundamental and technological importance. However, the fabrication of adhesive superhydrophobic polymer surfaces with high stability is rare, which limits the utilization of such surfaces in harsh environments. This paper illustrates a simple electrospinning way to produce fluorinated polyimide nanofibric mat with adhesive superhydrophobicity as well as high thermal stability. The water contact angle on the mat reaches as high as 157.8° and the adhesive force to a water drop is up to 98.3 μN. Moreover, the adhesive superhydrophobic polyimide mat is able to stand extreme heat up to 300 °C. By virtue of the facile electrospinning technique, large-area flexible mats can be easily achieved. Such an electrospun fluorinated polyimide mat will possess broader applications than ordinary organic superhydrophobic surfaces owing to its excellent stability in harsh environments.

Graphical abstract: Bio-inspired adhesive superhydrophobic polyimide mat with high thermal stability

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Article information

DOI
https://doi.org/10.1039/C2JM16503A
Article type
Paper
Submitted
10 Dec 2011
Accepted
24 Feb 2012
First published
16 Mar 2012

J. Mater. Chem., 2012,22, 8257-8262

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Bio-inspired adhesive superhydrophobic polyimide mat with high thermal stability

G. Gong, J. Wu, J. Liu, N. Sun, Y. Zhao and L. Jiang, J. Mater. Chem., 2012, 22, 8257 DOI: 10.1039/C2JM16503A

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