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首页> 外文期刊>Journal of Applied Polymer Science >Electrical Characteristics of Fluorinated Carbon Black-Filled Poly(vinylidene fluoride) Composites
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Electrical Characteristics of Fluorinated Carbon Black-Filled Poly(vinylidene fluoride) Composites

机译：氟化炭黑填充聚偏二氟乙烯复合材料的电学特性

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摘要

Dispersion and electrical properties of fluorinated carbon black-filled poly(vinylidene fluoride)(PVDF) composites were studied as a function of the fluorine content. It was found that with increasing the fluorine content carbon particles tend to stick together to form large aggregates. The percolation concentration increases to a high concentraiotn, whereas the percolation process becomes gradual. The temperature dependnece of resistivity measurements show that the fluorinated carbon black-filled PVDF composites exhibit a hgih PTC intensity and a low NTC effect. These phenomena were discussed in terms of thermodynamic interactions between fluorinated carbon and the PVDF matrix. The dielectric behavior was also investigated in this study.
机译：研究了含氟炭黑填充的聚偏二氟乙烯（PVDF）复合材料的分散性和电学性质，它是氟含量的函数。已经发现，随着氟含量的增加，碳颗粒倾向于粘附在一起以形成大的聚集体。渗滤浓度增加到高浓度，而渗滤过程逐渐进行。电阻率测量的温度依赖性表明，氟化炭黑填充的PVDF复合材料表现出较高的PTC强度和较低的NTC效应。根据氟化碳与PVDF基质之间的热力学相互作用讨论了这些现象。在这项研究中还研究了介电行为。

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