采用原位聚合法合成出聚邻氨基苯磺酸修饰多壁碳纳米管(PASANT).进而,以PASANT为导电填料,以水性聚氨酯乳液(WPU)为基体,采用溶液共混法制备WPU/PASANT复合材料,研究表明,PASANT能够均匀地分散在水性聚氨酯乳液中.PASANT与WPU复合后,PASANT表面的-NH基团与WPU中的羰基(尤其是脲羰基)形成了氢键,复合材料的导电性和力学性能均得以提高.当PASANT的含量为5%时,复合材料的电导率和拉伸强度比纯水性聚氨酯分别提高6个数量级和465%.
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