Extraordinary aspects of bromo-functionalized multi-walled carbon nanotubes as initiator for polymerization of ionic liquid monomers

详细信息	查看全文 | 推荐本文 |

• 作者：Yu-Hsun Chang^a ; Pei-Yi Lin^b ; Ming-Sung Wu^b ; King-Fu Lin^a ; ^b ; ^{kflin@ntu.edu.tw}
• 关键词：Carbon nanotube ; ATRP ; Ionic liquid
• 刊名：Polymer
• 出版年：2012
• 期刊代码：83_00323861
• 类别：ms
• 出版时间：25 April, 2012
• 卷：53
• 期：10
• 页码：2008-2014
• 文件大小：1274 K

摘要

Two ionic liquid monomers, 1-(2-acryloyloxy-ethyl)-3-methyl-imidazol-1-ium iodide (AMImI) and 1-(2-acryloyloxy-ethyl)-3-methyl-benzoimidazol-1-ium iodide (AMBImI), were synthesized and polymerized through atom transfer radical polymerization (ATRP). Poly(AMImI)-grafted multi-walled carbon nanotubes (denoted as MWCNT-poly(AMImI)) could also be fabricated through 鈥済rafting from鈥?method of ATRP using bromo-functionalized MWCNT (denoted as MWCNT-Br) as initiator but MWCNT-poly(AMBImI) could not. Based on the thermogravimetric analysis and high resolution transmission electron microscopy, AMBImI monomer has encapsulated the MWCNT-Br probably through the 蟺-蟺 and cation-蟺 interactions invalidating the initiation capability of MWCNT-Br. Besides, by mixing AMBImI with MWCNT-Br directly at room temperature, the MWCNT-Br was coated with a thin layer of AMBImI, whereas MWCNT-Br could not physisorb AMImI. Both MWCNT-poly(AMImI) and AMBImI-encapsulated MWCNT were dispersed well in 1-methyl-3-propylimidazolium iodide ionic liquid.