Issue 3, 2018
From the journal:

Journal of Materials Chemistry A

Superelastic and ultralight polyimide aerogels as thermal insulators and particulate air filters†

Zhenchao Qian,ac   Zhen Wang,a   Yi Chen,bc   Shengrui Tong,b   Maofa Ge, ORCID logo bc   Ning Zhao*a  and  Jian Xu ORCID logo *ac  

* Corresponding authors

a Beijing National Laboratory for Molecular Sciences, Laboratory of Polymer Physics and Chemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
E-mail: zhaoning@iccas.ac.cn, jxu@iccas.ac.cn

b Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China

c University of Chinese Academy of Sciences, Beijing, China

Abstract

We utilized electrospun polyimide nanofibers as building blocks to construct a hierarchically porous architecture through freeze-drying. Superelasticity, recoverable ultimate strain of 99%, has been obtained by thermally induced intermolecular condensation. Aerogels also possess ultralow density, high-temperature stability, low thermal conductivity and excellent performance in PM2.5 filtration.

Graphical abstract: Superelastic and ultralight polyimide aerogels as thermal insulators and particulate air filters

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Article information

DOI
https://doi.org/10.1039/C7TA09054D
Article type
Communication
Submitted
15 Oct 2017
Accepted
14 Dec 2017
First published
14 Dec 2017

J. Mater. Chem. A, 2018,6, 828-832

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Superelastic and ultralight polyimide aerogels as thermal insulators and particulate air filters

Z. Qian, Z. Wang, Y. Chen, S. Tong, M. Ge, N. Zhao and J. Xu, J. Mater. Chem. A, 2018, 6, 828 DOI: 10.1039/C7TA09054D

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