分别采用混酸和四氟化碳(CF4)等离子体处理技术对碳纳米管(MWCNTs)进行了表面修饰,将处理前后的碳纳米管进行了XPS和SEM测试,获得了处理后前的表面形貌和结构,并采用溶液浇注的方式制备了MWCNTs/氟橡胶(FE)复合材料,探讨了不同碳纳米管状态(未处理,混酸处理、CF4等离子体处理)的导电性能,结果表明两种表面处理方式可以使MWCNTs表面接上极性官能团.而且在相同的碳纳米管添加量下(质量分数分别为0.1%、0.5%,1.0%、2.0%),酸处理MWCNTs/FE的渗流阈值最小,达0.5%.
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