Journal
COMPOSITES PART B-ENGINEERING
Volume 111, Issue -, Pages 243-250Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2016.12.003
Keywords
Polymer-matrix composites (PMCs); Interface/interphase; Mechanical properties; Thermal properties
Funding
- Key Research and Development Plan of Jiangsu Province [BE 2015158]
- Scientific Foundation of Nanjing Institute of Technology [YKJ 201508]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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This work reports a novel compatibilizer and reinforcing filler, graphene oxide (GO), which significantly improved the thermal and mechanical properties of immiscible carboxylated acrylonitrile butadiene rubber (XNBR) and styrene butadiene rubber (SBR) blends. The observed glass transition temperature shift of XNBR/SBR blends demonstrated the improved compatibility of XNBR and SBR. The analysis by Fourier transform infrared spectra and Raman spectroscopy indicated that GO could form both hydrogen bonding with XNBR and sr-sr conjugation with SBR, which favored the compatibility of XNBR and SBR components in the blends. This unique amphiphilic character of GO enabled it interact with both polar and non -polar components and significantly improve the mechanical properties of the system. With incorporation of only 0.3 phr (parts per hundred rubber) GO, the tensile strength and tear strength of XNBR/SBR blend increased by 71% and 94%, respectively. The temperature of the maximal rate of degradation process improved by 10 degrees C, and a higher resistance to swelling in toluene was obtained as well. This work suggests the GO has the potential to be a suitable reinforcing filler and compatibilizer in the immiscible XNBR/SBR blends. (C) 2016 Elsevier Ltd. All rights reserved.
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