为了制备柔性较好的聚合物基压阻材料,利用熔融共混法制备了炭黑/聚丙烯-聚(苯乙烯-乙烯/丁烯-苯乙烯)(CB/PP-SEBS)复合材料,并研究了CB含量对CB/PP-SEBS复合材料介电性能和压阻性能的影响.结果表明:随着CB含量的增加,CB/PP-SEBS复合材料的介电常数、介电损耗及电导率均提高;CB/PP-SEBS复合材料发生导电逾渗时,CB的含量为12.2wt％;在CB/PP-SEBS复合材料发生弹性形变时,由于外力破坏了CB的导电网络,复合材料的电阻随着应变的增大而增大;循环压阻测试结果显示,在弹性变形区CB/PP-SEBS复合材料的电阻随着应变呈现周期性变化.研究结果可为制备具有稳定电阻变化的聚合物基压阻材料提供借鉴.
参考文献
| [1] | 党智敏;王海燕;王岚.新型高温高介无机/有机功能复合材料[J].复合材料学报,2005(5):9-15. |
| [2] | Processing and modeling of conductive thermoplastic/carbon nanotube films for strain sensing[J].Composites, Part B. Engineering,20081(1):209-216. |
| [3] | Vadlamani, V.K.;Chalivendra, V.;Shukla, A.;Yang, S..In situ sensing of non-linear deformation and damage in epoxy particulate composites[J].Smart Materials & Structures,20127(7):075011-1-075011-11. |
| [4] | 刘平;黄英;刘秀梅;蔡文婷;李锐琦;王大月.基于炭黑填充导电橡胶的力敏传感器的灵敏度[J].复合材料学报,2013(3):51-55. |
| [5] | 王鹏;丁天怀;徐峰;覃元臻.炭黑填充型导电复合材料的压阻计算模型及实验验证[J].复合材料学报,2004(6):34-38. |
| [6] | Junhui Zhao;Kun Dai;Chenggang Liu.A comparison between strain sensing behaviors of carbon black/polypropylene and carbon nanotubes/polypropylene electrically conductive composites[J].Composites, Part A. Applied science and manufacturing,2013:129-136. |
| [7] | Nan CW..Comment on "Effective dielectric function of a random medium" - art. no. 176201[J].Physical Review.B.Condensed Matter,200117(17):176201_1-176201_3. |
| [8] | C.-W. Nan;Y. Shen;Jing Ma.Physical Properties of Composites Near Percolation[J].Annual review of materials research,2010:131-151. |
| [9] | Bassani A.;Hage E.;Pessan LA..Toughening of polypropylene with styrene/ethylene- Butylene/Styrene tri-block copolymer: Effects of mixing condition and elastomer content[J].Journal of Applied Polymer Science,20019(9):2185-2193. |
| [10] | Panaitescu, D.M.;Vuluga, Z.;Radovici, C.;Nicolae, C..Morphological investigation of PP/nanosilica composites containing SEBS[J].Polymer Testing,20122(2):355-365. |
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