Covalent Surface Functionalization of Multiwalled Carbon Nanotubes Through Bergman Cyclization of Enediyne-Containing Dendrimers

被引：10
作者：
Ma, Jianguo [1 ,2 ]
Deng, Sheng [1 ]
Cheng, Xin [1 ]
Wei, Wei [1 ]
Hu, Aiguo [1 ]
机构：
[1] E China Univ Sci & Technol, Sch Mat Sci & Engn, Minist Educ, Key Lab Ultrafine Mat, Shanghai 200237, Peoples R China
[2] E China Inst Technol, Fac Chem Biol & Mat Sci, Fuzhou 344000, Jiangxi, Peoples R China
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2011年 / 49卷 / 18期
基金：
中国国家自然科学基金;
关键词：
Bergman cyclization; carbon nanotubes; dendrimers; electrospinning; modification; nanocomposites; SIDEWALL FUNCTIONALIZATION; RADICAL-ADDITION; PLASMA TREATMENT; AMINO-ACIDS; NANO-ONIONS; POLYMER; COMPOSITES; FULLERENES; CYCLOPOLYMERIZATION; POLYMERIZATIONS;
D O I：
10.1002/pola.24834
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 method for covalent functionalization of multiwalled carbon nanotubes (MWCNTs) was developed using the free radicals generated through Bergman cyclization of enediyne-containing compounds. Four enediyne-bearing Frechet type dendrimers were synthesized in good quantities and characterized. Then, the enediyne-containing molecules were reacted with MWCNTs in N-methyl-2-pyrrolidinone at 206 degrees C under nitrogen. The structure and morphology of the resulting products were characterized by thermogravimetric analysis, ultraviolet-visible spectroscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, and transmission electron microscopy. The dendrimer-functionalized MWCNTs showed good solubility/dispersibility in common organic solvents and polymer solutions. They were used in the formation of polymer composites through electrospinning with polycaprolactone. The results confirmed the surface functionalization of MWCNTs. (C) 2011 Wiley Periodicals, Inc. J Polym Sci Part A: PolymChem 49: 3951-3959, 2011
引用
收藏
页码：3951 / 3959
页数：9
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