One-Step in Situ Synthesis of Poly(methyl methacrylate)-Grafted Single-Walled Carbon Nanotube Composites

被引：23
|
作者：
Liu, Manhong [1 ,2 ]
Zhu, Tao [2 ]
Li, Zichen [2 ]
Liu, Zhongfan [2 ]
机构：
[1] Qingdao Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266042, Peoples R China
[2] Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 22期
基金：
中国国家自然科学基金;
关键词：
TRANSFER RADICAL POLYMERIZATION; SIDEWALL FUNCTIONALIZATION; CHEMICAL-MODIFICATION; ELECTRONIC-STRUCTURE; ULTRASOUND; ULTRASONICATION; DISPERSIONS; SURFACE;
D O I：
10.1021/jp902234v
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
An efficient synthesis of poly(methyl methacrylate)-grafted SWCNT composites (PMMA-SWCNTs) were developed by using in situ atom transfer radical polymerization of methyl methacrylate onto SWCNTs sonicated in o-dichlorobenzene (ODCB) in one step. Morphology studies with HRTEM and AFM and solubility changes of the PMMA-SWCNTs in CHCl3 and DMF suggest the existence of PMMA in the nanocomposites. The sonochemical reaction of ODCB and SWCNTs is critical for the formation of PMMA-SWCNTs. Systematic characterization shows that PMMA was covalently attached to the SWCNTs in PMMA-SWCNTs.
引用
收藏
页码：9670 / 9675
页数：6
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