Issue 4, 2018

Enhanced mechanical properties of silica nanoparticle-covered cross-linking graphene oxide filled thermoplastic polyurethane composite

Abstract

In this work, silica nanoparticle-covered cross-linking graphene oxide (GOES) was successfully synthesized in a stacking graphene oxide (GOE) solution where ethylenediamine (EDA) was used for simultaneous reduction and functionalization of the graphene oxide (GO). The GOES-filled thermoplastic polyurethane (TPU) composites were prepared through solution mixing and the mechanical properties of GOES/TPU were systematically investigated. The results revealed that the properties of composites filled with the cross-linked (GOE, GOES) filler are better than those of un-cross-linked (GO, GOS) filler. Furthermore, with a loading of 2 wt%, the tensile strengths and the tensile strains of GOES/TPU composites were significantly enhanced (48.9 MPa, 2140%), as compared to pure TPU (30.6 MPa, 1370%). The improvement in mechanical properties of GOES/TPU is attributed to the homogeneous dispersion of GOES in the TPU matrix and the strong interfacial interactions between them.

Graphical abstract: Enhanced mechanical properties of silica nanoparticle-covered cross-linking graphene oxide filled thermoplastic polyurethane composite

Article information

Article type
Paper
Submitted
14 Sep 2017
Accepted
09 Jan 2018
First published
10 Jan 2018

New J. Chem., 2018,42, 3069-3077

Enhanced mechanical properties of silica nanoparticle-covered cross-linking graphene oxide filled thermoplastic polyurethane composite

H. Ren, Y. Zhou, M. He, R. Xu, B. Ding, X. Zhong, Y. Tong, L. Fan, Z. Cai, H. Shen and Y. Huang, New J. Chem., 2018, 42, 3069 DOI: 10.1039/C7NJ03503A

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