In this article, the recent progress in mechanical properties of carbon nanotubes（CN reinforced polymer composites was reviewed, with particular attention to polyurethane polyimide based composites. Various functionalization methods in the modification of CNT w discussed, and the effectiveness of different processing techniques were compared. Finally future outlook for the development of CNT reinforced polymer composites was given.%综述了近几年国内外在碳纳米管增强聚合物纳米复合材料力学性能方面的研究进展，主要介绍了以聚氨酯和聚酰亚胺为基体的复合材料。讨论了碳纳米管的各种改性方法及其作用原理，并对各种改性和制备方法的有效性进行了比较。最后，对碳纳米管增强聚合物纳米复合材料的发展前景进行了展望。
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