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| Properties of Multi-Walled Carbon Nano-Tubes (CNTs)/Natural Rubber (NR) Composites |
| SONG Bo GAO Yu WANG Na HAN Wenchi ZHANG Pengyu FANG Qinghong** |
| (School of Material Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142) |
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Cite this article:
SONG Bo GAO Yu WANG Na HAN Wenchi ZHANG Pengyu FANG Qinghong**. Properties of Multi-Walled Carbon Nano-Tubes (CNTs)/Natural Rubber (NR) Composites. Chinese Journal of Materials Research, 2013, 27(1): 7-12.
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Abstract ABSTRACT A mixture of concentrated HNO3/H2SO4 was used to modify the multi-walled carbon nano-tubes (CNTs) and the multi-walled carbon nano-tubes (CNTs)/natural rubber(NR) composites were prepared. The influence of the structure of CNTs on the mechanical properties, dynamic properties, payne-effect, the dynamic heat generation and tanδ of multi-walled carbon nano-tubes (CNTs)/natural rubber(NR) composites were investigated. The results show that after acid treatment the free functional groups, atoms of hydrogen and oxygen functional groups formed on the surface of CNTs, the interactions between large diameter CNTs and the rubber matrix such as physical absorption, hydrogen bonding and chemical bonding were improved; and with increase of diameter of CNTs in the nanocomposite, the characteristic values of temperature dropped, the tensile strength exhibited an upward trend, and the payne-effects of filler-filler decreased obviously. Temperature and tanδ rising trend were consistent. With the increase of the amounts of CNTs filled to the composite, inter-aggregate distance of CNTs was decrease and easy to form CNTs aggregating, leding to the payne-effect increased.
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