| 煤粉对PVC抗静电性能的研究 |
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| 引用本文： | 罗四海. 煤粉对PVC抗静电性能的研究[J]. 上海塑料, 2012, 0(4): 21-24 |
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| 作者姓名： | 罗四海 |
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| 作者单位： | 河南理工大学材料科学与工程学院,河南焦作,454000 |
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| 基金项目： | 河南理工大学第四批实验室开放基金项目 |
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| 摘 要： | 采用熔融共混法制备了不同配比的PVC／煤粉复合材料；研究了复合材料的抗静电性能，并通过SEM考察了其导电机制。结果发现：平均粒径为34．5μm的煤粉能够均匀地分布于PVC塑料中；当煤粉的质量分数为7％时，表面电阻率达最小值，为1．08×10^7Ω；复合材料内部存在导电通道和隧道导电两种方式。
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| 关 键 词： | PVC 煤粉 抗静电 机制 表面电阻 |
Effect of Pulverized Coal on PVC Material Antistatic Property |
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| LUO Si-hai. Effect of Pulverized Coal on PVC Material Antistatic Property[J]. Shanghai Plastics, 2012, 0(4): 21-24 |
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| Authors: | LUO Si-hai |
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| Affiliation: | LUO Si-hai (School of Material Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China) |
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| Abstract: | The different proportions of PVC/pulverized coal composite materials are prepared by melt blending. The antistatic property and conductive mechanisms of composites were tested and analyzed by SEM. The results show that pulverized coal of average particle diameter 34. 5 μm can be distributed homogeneously in PVC plastics. When the mass fractim of pulverized coal is 7 %, the surface resistivity arrives its minimum value 1.08× 107Ω, and it contains two conductive mechanisms： conductive channel theory and tunnel conductivity theory. |
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| Keywords: | PVC pulverized coal antistatic property mechanism surface resistivity |
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