通过共价键修饰将酸化的多壁碳纳米管(MWNTs)与环氧树脂进行接枝反应,并通过傅立叶变换红外光谱(FTIR)、X射线衍射(XRD),拉曼光谱(Raman spectra),热失重分析(TGA)和透射电镜(TEM)对其进行表征.研究发现,酸化处理在多壁碳纳米管管壁产生羧基、羟基,并检测到环氧树脂是通过共价键接枝到多壁碳纳米管管壁上,其接枝率达到39%.差示扫描晕热仪(DSC)显示改性的多壁碳纳米管对环氧树脂的固化反应有显著的影响.
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