通过高速机械混磨方法制备了具有分离结构的炭黑(CB)/超高分子量聚乙烯(UHMWPE)复合材料,研究了复合材料的形态结构和导电性.结果表明,炭黑粒子可在较短的时间内涂覆在UHMWPE粒子表面.当CB的体积分数为0.6％时,复合材料的电导率提高了14个数量级,而渗流阈值仅为0.4％(体积分数,下同).研究了热压工艺对导电复合材料电性能的影响,随热压时间的延长,复合材料的电导率出现下降趋势.
参考文献
| [1] | Jinhong Du;Long Zhao;You Zeng .Comparison of electrical properties between multi-walled carbon nanotube and graphene nanosheet/high density polyethylene composites with a segregated network structure[J].Carbon: An International Journal Sponsored by the American Carbon Society,2011(4):1094-1100. |
| [2] | Jaime C. Grunlan;Ali R. Mehrabi;Michael V. Bannon;Jeffrey L. Bahr .Water-Based Single-Walled-Nanotube-Filled Polymer Composite with an Exceptionally Low Percolation Threshold[J].Advanced Materials,2004(2):150-153. |
| [3] | Jie-Feng Gao;Zhong-Ming Li;Qing-jie Meng;Qi Yang .CNTs/ UHMWPE composites with a two-dimensional conductive network[J].Materials Letters,2008(20):3530-3532. |
| [4] | Zhang QH;Lippits DR;Rastogi S .Dispersion and rheological aspects of SWNTs in ultrahigh molecular weight polyethylene[J].Macromolecules,2006(2):658-666. |
| [5] | Ou RQ;Gupta S;Parker CA;Gerhardt RA .Fabrication and electrical conductivity of poly(methyl methacrylate) (PMMA)/Carbon black (CB) composites: Comparison between an ordered carbon black nanowire-like segregated structure and a randomly dispersed carbon black nanostructure[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2006(45):22365-22373. |
| [6] | Qinming Liu;Jinchun Tu;Xin Wang .Electrical conductivity of carbon nanotube/poly(vinylidene fluoride) composites prepared by high-speed mechanical mixing[J].Carbon: An International Journal Sponsored by the American Carbon Society,2012(1):339-341. |
| [7] | Babinec SJ.;Lundgard RL.;Cieslinski R.;Mussell RD. .Electroactive thermoplastics[J].Advanced Materials,2000(23):1823-1834. |
| [8] | R.Tchoudakov;M.Narkis;A.Siegmann .Electrical Conductivity of Polymer Blends Containing Liquid Crystalline Polymer and Carbon Black[J].Polymer engineering and science,2004(3):528-540. |
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