A novel technology to prepare styrene-butadiene rubber(SBR)/carbon nanotubes(CNTs)composites was developed by combining a spray drying method and a subsequent mechanical mixing process.The cross-linking degrees of the vulcanized composites increased gradually with the additive CNTs contents.By comparing with those of the pure SBR composites,the mechanical properties such as tensile strength,tear strength and hardness of the composites filled with CNTs at certain contents were dramatically improved almost by 600%,250% and 70%,respectively.The fabrication of the CNTs filled with SBR composites by combination of the spray drying method and subsequent mechanical mixing process was effective for enhancing the reinforcement effects of CNTs in rubbers.The novel technology can also open a new route for the modification and reinforcement on the nanocomposites with large amount of CNTs.
参考文献
| [1] | D. Qian;E. C. Dickey;R. Andrews .Load transfer and deformation mechanisms in carbon nanotube-polystyrene composites[J].Applied physics letters,2000(20):2868-2870. |
| [2] | H. D. Wagner;O. Lourie;Y. Feldman .Stress-induced fragmentation of multiwall carbon nanotubes in a polymer matrix[J].Applied physics letters,1998(1/6):188-190. |
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