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在碳纳米管的羧基化改性过程中采用不同的处理条件对羧基化程度进行对比分析,在碳纳米管/PVA复合材料的制备中采用不同的配比进行混合制备,再对此复合材料进行一系列测定以表征其电导性质.通过红外光谱及激光粒径分析仪对产品形态和结构进行了分析和表征,结果表明,所制备的碳纳米管,羧基已经成功接上碳管、表面形态较规整、纯度较高,具有较好的羧基化碳纳米管结构;热性能测试结果显示,复合材料膜的结晶温度有所提高;导电性能测试结果显示,复合材料呈现出典型的金属性导电性能.

参考文献

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