Covalent functionalization of multiwalled carbon nanotubes with poly(acrylic acid)

被引：26
|
作者：
Liu, YX [1 ]
Du, ZJ [1 ]
Li, Y [1 ]
Zhang, C [1 ]
Li, HQ [1 ]
机构：
[1] Beijing Univ Chem Technol, Key Lab Beijing City Preparat & Proc Novel Polyme, Beijing 100029, Peoples R China
来源：
CHINESE JOURNAL OF CHEMISTRY | 2006年 / 24卷 / 04期
关键词：
multiwalled carbon nanotube; oxidation; functionalization; poly(acrylic acid);
D O I：
10.1002/cjoc.200690107
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Covalent functionalization of multiwalled carbon nanotubes (MWNT) with poly(acrylic acid) has been successfully achieved via grafting of poly(acryloyl chloride) on nanotube surface by esterification reaction of acyl chloride-bound polymer with hydroxyl functional groups present on acid-oxidized MWNT and hydrolysis of polymer attached to nanotubes. Polymer-functionalized MWNT could possess remarkably high solubility in water, and their aqueous solution was very stable without any observable black deposit for a long time. Characterizations of such functionalized MWNT samples using Fourier transform infrared spectrometer, transmission electron microscopy and nuclear magnetic resonance techniques indicated that poly(acrylic acid) was covalently attached to the surface of MWNT.
引用
收藏
页码：563 / 568
页数：6
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