Green Synthesis of Poly(ethylene glycol) Modified Multi-walled Carbon Nanotubes and Their Dispersibility
作者单位：Key Laboratory of Resources Chemistry of Nonferrous MetalsMinistry of EducationCentral South University College of Chemistry and Chemical EngineeringCentral South University College of ScienceHonghe University
会议名称：《2012 China Functional Materials Technology and Industry Forum》
会议日期：2013年
学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070305[理学-高分子化学与物理] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学]
基 金：supports from the National Natural Science Foundation of China(No.21175155, 21201181) the Fundamental Research Funds for the Central Universities(No.201012200146) the Research Fund for the Doctoral Program of Higher Education of China(No.20110162120070) the Planned Science and Technology Project of Hunan Province(No.2011FJ3175)
关 键 词：Carbon nanotubes Poly(ethylene glycol) Functionalization Green synthesis Dispersibility
摘 要：Poly(ethylene glycol) modified multi-walled carbon nanotubes were prepared by a green synthesis procedure,including oxidation,acyl chlorination and *** the liquid reagents were recycled by distillation or reduced pressure distillation,and complicated washing or purification was *** transform infrared spectroscopy,scanning electron microscopy and thermogravimetric analysis were used to characterize the *** results indicated that PEG was grafted to the functionalized carbon nanotubes(f-CNTs) and the mass percentage of the grafted PEG was about 12%.After sonicating f-CNTs in ethanol,the dispersibility of f-CNTs in ethanol was about 0.46 mg/*** stability of f-CNTs in ethanol was also tested by left standing a 0.4 mg/mL f-CNT/ethanol solution,no precipitation was found after 10 days.