| 高密度聚乙烯—炭黑（HDPE—C）PTC材料的导电机制 |
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| 引用本文： | 徐永利,陈汴琨. 高密度聚乙烯—炭黑（HDPE—C）PTC材料的导电机制[J]. 材料研究学报, 1995, 9(4): 364-367 |
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| 作者姓名： | 徐永利 陈汴琨 |
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| 作者单位： | 北京航空航天大学 |
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| 摘 要： | 利用炭黑与高密度聚乙烯复合制成了具有ＰＴＣ功能的导电材料（ＨＤＰＥ－Ｃ）,根据目前各种地电理论,提出“晶界”导电模型,并推导出了炭黑的填加量（Ｌ）、高聚物结晶体大小（α）、碳粒子半径（ｒｃ）、碳粒子间距（Ｘ）之间的关系,晶界导电模型与实验结果有较好的符合。
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| 关 键 词： | 导电塑料 炭黑 高密度 聚乙烯 |
| 收稿时间： | 1995-08-25 |
| 修稿时间： | 1995-08-25 |
THE ELECTRICAL CONDUCTIVE MECHANISM OF HDPE-C PTC COMPOSITE |
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| XU Yongli,CHEN Biankun. THE ELECTRICAL CONDUCTIVE MECHANISM OF HDPE-C PTC COMPOSITE[J]. Chinese Journal of Materials Research, 1995, 9(4): 364-367 |
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| Authors: | XU Yongli CHEN Biankun |
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| Affiliation: | XU Yongli,CHEN Biankun(Beijing University of Aernautics and Astronautics) |
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| Abstract: | The PTC electrical conductive composite materials which was made by carbon black and polyethylene has been studied. Several prevalent theories of electrical conductivity were analyzed and a new electrical conductive mechanism of "grain boundary electric c |
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| Keywords: | PTC electrical conductive plastic carbon black |
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