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通过超声分散制备了分散均匀的碳纳米管(CNTs)/天然橡胶母料,利用母料制备了天然橡胶(NR)/T苯橡胶(SBR)/炭黑(CB)/碳纳米管复合材料.通过比较常规搅拌、双辊混炼和超声分散三种方法对碳纳米管的分散及对复合材料性能的影响,表明超声分散能实现碳纳米管在基体中均匀分散,CNTs和CB的协同作用提高了复合材料的力学性能,当CR/CNTs之比为37/3时力学性能最高,与未加CNTs增强的体系相比,拉伸强度提高了6.4%.当CNTs含量为7phr,与未加CNTs的体系相比,压缩模量提高了20%.

参考文献

[1] Stephen R;Varghese S;Joseph K;Oommen Z;Thomas S .Diffusion and transport through nanocomposites of natural rubber (NR), carboxylated styrene butadiene rubber (XSBR) and their blends[J].Journal of Membrane Science,2006(1/2):162-170.
[2] J. Sandler;M. S. P. Shaffer;T. Prasse;W. Bauhofer;K. Schulte;A. H. Windle .Development of a dispersion process for carbon nanotubes in an epoxy matrix and the resulting electrical properties[J].Polymer: The International Journal for the Science and Technology of Polymers,1999(21):5967-5971.
[3] Erik T. Thostenson;Zhifeng Ren;Tsu-Wei Chou .Advances in the science and technology of carbon nanotubes and their composites: a review[J].Composites science and technology,2001(13):1899-1912.
[4] Shaffer MSP.;Windle AH. .Fabrication and characterization of carbon nanotube/poly(vinyl alcohol) composites[J].Advanced Materials,1999(11):937-941.
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