The present status and key problems of carbon nanotube based polymer composites

被引：364

作者：

Du, J-H. ^{[1
]}

Bai, J. ^{[2
]}

Cheng, H-M. ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China

[2] Ecole Cent Paris, CNRS, Lab MSS MAT, UMR 8579, F-92295 Chatenay Malabry, France

来源：

EXPRESS POLYMER LETTERS | 2007年 / 1卷 / 05期

关键词：

polymer composites; carbon nanotubes; mechanical properties; electrical properties; thermal properties;

D O I：

10.3144/expresspolymlett.2007.39

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The state-of-art and key problems of carbon nanotube (CNT) based polymer composites (CNT/polymer composites) including CNT/polymer structural composites and CNT/polymer functional composites are reviewed. Based on the results reported up to now, CNTs can be an effective reinforcement for polymer matrices, and the tensile strength and elastic modulus of CNT/polymer composites can reach as high as 3600 MPa and 80 GPa, respectively. CNT/polymer composites are also promising functional composite materials with improved electrical and thermal conductivity, etc. Due to their multi-functional properties, CNT/polymer composites are expected to be used as low weight structural materials, optical devices, thermal interface materials, electric components, electromagnetic absorption materials, etc. However, the full potential of CNT/polymer composites still remains to be realized. A few key problems, such as how to prepare structure-controllable CNTs with high purity and consistently dependable high performance, how to break up entangled or bundled CNTs and then uniformly disperse and align them within a polymer matrix, how to improve the load transfer from matrix to CNT reinforcement, etc, still exist and need to be solved in order to realize the wide applications of these advanced composites.

引用

页码：253 / 273

页数：21

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