A new approach to functionalize multi-walled carbon nanotubes by the use of functional polymers

被引:120
作者
Hong, Chun-Yan
You, Ye-Zi
Pan, Cai-Yuan
机构
[1] Univ Sci & Technol China, Dept Polymer Sci & Engn, Hefei 230026, Anhui, Peoples R China
[2] Hefei Univ Technol, Dept Polymer Sci & Engn, Hefei 230009, Anhui, Peoples R China
基金
中国国家自然科学基金;
关键词
multi-walled carbon nanotubes (MWNTs); reversible addition-fragmentation chain transfer (RAFT) polymerization; functional polymer;
D O I
10.1016/j.polymer.2006.04.006
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A new method to graft a large number of long polymer chains or small functional molecules onto multi-walled carbon nanotubes (MWNTs) indirectly is reported. First, MWNTs were slightly functionalized by reversible addition-fragmentation chain transfer (RAFT) copolymerization of styrene and maleic anhydride using the dithioester groups attached to MWNTs as RAFT agents. The highly reactive maleic anhydride groups could further react with a large number of long polymer chains or small functional molecules with hydroxyl or amino group easily. The resulted MWNTs have good solubility in organic solvents and water; the perfect structure of MWNTs is altered very little from the information of Raman spectra. (c) 2006 Published by Elsevier Ltd.
引用
收藏
页码:4300 / 4309
页数:10
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