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Issue 4, 2018
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Enhanced mechanical properties of silica nanoparticle-covered cross-linking graphene oxide filled thermoplastic polyurethane composite

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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

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Publication details

The article was received on 14 Sep 2017, accepted on 09 Jan 2018 and first published on 10 Jan 2018


Article type: Paper
DOI: 10.1039/C7NJ03503A
Citation: New J. Chem., 2018,42, 3069-3077
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    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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