Issue 12, 2011
From the journal:

Journal of Materials Chemistry

In situpolymerization of graphenenanosheets and polyurethane with enhanced mechanical and thermal properties

Xin Wang,a   Yuan Hu,*ab   Lei Song,a   Hongyu Yang,a   Weiyi Xinga  and  Hongdian Luc  

* Corresponding authors

a The State Key Lab of Fire Science, University of Science and Technology of China, Hefei, Anhui, China
E-mail: yuanhu@ustc.edu.cn
Fax: +86-551-3601664
Tel: +86-551-3601664

b The Suzhou Key Laboratory of Urban Public Safety, Suzhou Institute for Advanced Study, University of Science and Technology of China, Suzhou, Jiangsu, China

c Department of Chemical and Materials Engineering, Key Laboratory of Powder and Energy Materials, Hefei University, Hefei, Anhui, China

Abstract

Polyurethane (PU) composites reinforced with graphene nanosheets (GNSs) were prepared by in situpolymerization. Graphene nanosheets, which were derived from chemically reduced graphite oxide (GO) nanosheets, were characterized by solid-state 13C MAS NMR, XRD and FTIR. A morphological study showed that, due to the formation of chemical bonds, the GNS was dispersed well in the PU matrix. With the incorporation of 2.0 wt% of GNSs, the tensile strength and storage modulus of the PU increased by 239% and 202%, respectively. The nanocomposites displayed high electrical conductivity, and good thermal stability of PU was also achieved. The facile and rapid technique presented here will provide an effective and promising method of preparing graphene-based polymer composites.

Graphical abstract: In situ polymerization of graphene nanosheets and polyurethane with enhanced mechanical and thermal properties

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Article information

DOI
https://doi.org/10.1039/C0JM03710A
Article type
Paper
Submitted
30 Oct 2010
Accepted
15 Dec 2010
First published
01 Feb 2011

J. Mater. Chem., 2011,21, 4222-4227

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In situ polymerization of graphene nanosheets and polyurethane with enhanced mechanical and thermal properties

X. Wang, Y. Hu, L. Song, H. Yang, W. Xing and H. Lu, J. Mater. Chem., 2011, 21, 4222 DOI: 10.1039/C0JM03710A

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