多壁碳纳米管/聚吡咯导电复合材料的制备及性能
Synthesis and Properties of Electrical Multi-Walled Carbon Nanotube/Polypyrrole Electrical Conductive Composites
摘 要
以羧基化多壁碳纳米管(MWCNTs)和吡咯单体为反应物,通过原位聚合方法成功制备了MWCNTs/聚吡咯(PPy)导电复合材料;通过傅里叶红外光谱仪、扫描电镜、热重分析仪及四探针电导仪对复合材料的结构与性能进行了表征.结果表明:羧基化MWCNTs高的长径比和大的比表面积使得复合材料比纯PPy的电导率和热稳定性能有显著提高;随着MWCNTs含量增加,复合材料的电导率和热稳定型均明显提高;当MWCNTs质量分数为20%时,复合材料的电导率达到11.1 S·cm-1.
聚吡咯
导电复合材料
电导率
热稳定性能
multi-walled carbon nanotubes
polypyrrole
electrical conductive composites
electrical conductivity
thermal stability
Abstract
Polypyrrole (PPy) filled with carboxylated multi-walled carbon nanotubes (MWCNTs),MWCNTs/PPy electrical conductive composites,were prepared via in-situ polymerization using pyrrole monomer and MWCNTs as raw materials.The structure and properties of composites were characterized by means of Fourier transformed infrared spectroscopy (FITR),scanning electron microscopy (SEM),thermogravimetric analysis (TGA) and four probes conductivity testing.The result show that the large surface area and high aspect ratio of carboxylated MWCNTs made a noticeable improvement in electrical conductivity and thermal stability of the prepared composites compared with pure PPys.The conductivity and thermal stability of MWCNTs/PPy composites increased with a increase of MWCNTs content,when the MWCNTs content was 20 wt%,it reached 11.1 S·cm-1.
中图分类号 TB484.3
所属栏目 试验研究
基金项目
收稿日期 2014/4/27
修改稿日期 2015/1/10
网络出版日期
作者单位点击查看
备注钟旭佳(1990-),女,吉林长春人,硕士研究生.
引用该论文: ZHONG Xu-jia,GAO Xiao-ding,LI Yang. Synthesis and Properties of Electrical Multi-Walled Carbon Nanotube/Polypyrrole Electrical Conductive Composites[J]. Materials for mechancial engineering, 2015, 39(2): 30～33
钟旭佳,高晓丁,李阳. 多壁碳纳米管/聚吡咯导电复合材料的制备及性能[J]. 机械工程材料, 2015, 39(2): 30～33
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【4】陈文亮,黄春平,柯黎明.碳纳米管增强铜基复合材料的研究进展［J］.机械工程材料,2012,30(6):5-8.
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【6】付猛,岳艳娟,祝雅娟,等.水热法制备石墨烯及其表征［J］.机械工程材料,2013,31(6):84-88.
【7】BOUKERMA K,PIQUEMAL J Y,CHEHIMI M M,et al.Synthesis and interfacial properties of montmorillonite／polypyrrolenanocomposites［J］.Polymer,2006,47:569-576.
【8】REN X Z,ZHAO Q,LIU J H,et al.Preparation of polypyrrole nanop-articles in reverse micelle anditsapplication to glucose biosensor［J］.Journal of Nanoscience and Nanotechnology,2008,8(5):2643-2646.
【9】ARMES S P,GOTTESFELD S,BEERY J G,et al.Conducting polymer-colloidal silica composites［J］.Polymer,1991,32(13):2325-2337.
【10】CHEN A H,WANG H Q,ZHAO B.The preparation of polypyrrole-Fe3O4 nanocomposites by the use of common ion effect［J］.Synthetic Metals,2003,139(2):411-415.
【11】CHEN W,LI X W,XUE G.Magnetic and conducting particles:preparation of polypyrrole layer on Fe3O4 nanospheres［J］.Applied Surface Science,2003,218(1/4):215-221.
【12】GANGOPADHYAY R,DE A.Polypyrrole-ferric oxide conducting nanocomposites synthesis and characterization［J］.European Polymer Journal,1999,35(11):1985-1992.
【13】李文光,李梅,姚金水,等.聚吡咯／多壁碳纳米管复合材料的制备与性能研究［J］.材料导报,2012,26(7):63-67.
【14】WU T M,LIN S H.Synthesis,characterization,and electrical properties of polypyrrole/multi-walled carbon nanotube composites［J］.J Polym Sci Part A Polym Chem,2006,44(21):6449-6457.
【15】SHIN D K,JU W K,JI S I,et al.A comparative study on properties of multi-walled carbon nanotubes (MWCNTs)modified with acids and oxyfluorination［J］.Journal of Fluorine Chemistry,2007,128:60-64.
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