利用超声分散的方法,使改性后的碳纳米管(m-CNTs)在中间相沥青中均匀分散,通过自挥发发泡法制备出不同m-CNTs含量的中间相沥青基泡沫炭.用TEM、SEM等分析方法研究了不同m-CNTs的添加量对泡沫炭结构和性能的影响.实验结果表明,与CNTs相比,m-CNTs的分散性有所提高；添加一定量的m-CNTs后,泡沫炭的平均泡孔尺寸有所减小,并且微裂纹数减少；当m-CNTs的添加量达到5％(质量分数)时,泡沫炭的热导率和压缩强度均达到最大,分别为137W/(m· K)和12.1MPa.
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