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介绍了吸波材料的吸波机理及分类,总结了近年来导电高分子在电磁屏蔽领域的研究进展。重点概述了基于聚苯胺(PANI)、聚吡咯(PPy)的两大类导电高分子复合吸波材料,着重强调导电高分子组分的引入在一定程度上增强材料的介电损耗与电阻损耗,提高匹配阻抗,极大地改善材料吸波性能,最后指出导电高分子吸波材料的发展趋势。 相似文献
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导电高分子聚苯胺的合成及应用 总被引:10,自引:0,他引:10
聚苯胺(PANI)是研究最为广泛的导电高分子材料之一。综述了聚苯胺的结构、特性及几种合成聚苯胺的方法,介绍了聚苯胺的掺杂方法及聚苯胺的应用前景。 相似文献
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含导电聚苯胺类锂离子电池复合材料的现状及发展趋势 总被引:1,自引:1,他引:0
导电聚苯胺(PANI)是近十年来研究最多的导电聚合物,具有比容量高、氧化还原可逆性好、电导率高、合成方法简单、成本低等特点,在化学电源和超级电容器中的应用最为广泛。导电聚苯胺复合材料的合成方法主要分为:原位复合法、共混法、自组装和电化学复合法等。导电聚苯胺复合材料可作为高能物质用于研发电极材料,但目前利用导电聚苯胺对锂离子电池三元正极材料进行修饰改性的研究较少。综述了导电聚苯胺及其复合材料的热电化学性能,重点对导电聚苯胺/锂离子电池复合正极材料的性能进行了阐述。最后对导电聚苯胺复合材料的应用和研究方向进行了总结,并简述了导电聚苯胺包覆改性LiNi1-x-yCoxMnyO2复合材料的应用和展望。 相似文献
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《国际聚合物材料杂志》2012,61(12):994-1007
In this paper we present a novel application of a conducting polymer, polyaniline, as a conductive filler for the development of isotropically conductive adhesives. We have developed isotropically conductive adhesives using protonic acid-doped polyaniline as the conducting filler in an anhydride-cured epoxy system. Fundamental material characterization like DSC, TGA and SEM of the samples was conducted to study their properties. Conductivity of these materials was measured by the four probe method while impact properties were studied by lap shear and drop tests. Samples were aged at 85°C/~100% RH for more than 500 h and the effects of aging were studied. Conductivity value of 10?3 S/cm was obtained at 25% PANI filler concentration. These results demonstrate the potential of such systems to function as isotropically conductive adhesives. 相似文献
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可溶导电聚苯胺材料的合成研究 总被引:4,自引:1,他引:4
采用乳液聚合方法,合成有机大分子酸DBSA掺杂的可溶导电聚苯胺。探讨DBSA和引发剂用量对掺杂聚苯胺电导率及其溶解性的影响。合成了电导率较高和很好溶解性的导电聚苯胺材料,可以用作抗静电材料。 相似文献