本文对比了不同温度下强酸处理对碳纳米管(CNT)微结构的影响,并对处理后的CNT添加到熔融棕榈酸(PA)制得的复合物的热物性进行了研究,考察酸处理CNT对复合物热物性的影响.复合相变材料的相变温度和相变焓都较纯PA有所降低.对不同温度下各复合物的导热系数的研究表明在未发生相转变时随温度升高复合相变材料的导热系数变化不明显,而在相变温度附近相变材料的导热系数有突增现象.无相态转变温度区间,含酸处理碳纳米管的复合相变材料的导热系数较相同条件下纯PA有较大提高.
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