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Epoxy matrix composites reinforced with purified carbon nanotubes for thermal management applications

机译：环氧基质复合材料加强纯碳纳米管，用于热管理应用

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摘要

The role of carbon nanotube purification treatment as a means to improve the thermal properties of polymer matrix composites was investigated. Particular emphasis was placed on clarifying the processing-property relationship in polymer composites for thermal management applications. The results indicated that purification treatment is critical to the thermal properties of derived polymer composites. Purification treatment can yield a twofold increase in composite thermal conductivity because of improved effectiveness in interfacial interaction and increased chemical purity of the filler. However, there is a trade-off between the benefits and disadvantages associated with purification treatment, particularly when thermal and electrical properties are both concerned. Purification treatment gives rise to a sharp decrease in composite electrical conductivity by at least two orders of magnitude because of the lack of an effective percolating network. The effect of purification treatment on composite electrical properties is more significant than on its thermal properties.
机译：研究了碳纳米管净化处理作为改善聚合物基质复合材料热性能的方法的作用。特别强调澄清聚合物复合材料中的加工性质关系进行热管理应用。结果表明，纯化处理对衍生聚合物复合材料的热性质至关重要。纯化处理可以产生两倍的复合导热系数，因为界面相互作用的有效性提高，增加了填料的化学纯度。然而，与纯化处理相关的益处和缺点之间存在权衡，特别是当热电和电性能都涉及时。净化处理使复合电导率的急剧下降至少两个数量级，因为缺乏有效的渗透网络。纯化处理对复合电性能的影响比其热性能更大。

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