碳纳米管( CNTs)具有极高的杨氏模量、硬度和韧性、良好的导电性和导热性,但由于其分散性差,限制了其应用范围.超支化聚合物( HBP)具有低粘度、高流变性和良好的溶解性,特别是末端含有大量的活性官能团.用HBP修饰CNTs,不仅可以提高CNTs在聚合物基体中的分散性,改善CNTs与基体之间的相容性和界面粘接性能,还可以赋予CNTs新的功能.因此,综述了超支化聚合物改性CNTs的方法,包括直接改性法,表面引发聚合法等方法,并指出了每种改性方法的优缺点及其发展前景.
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