期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 298, 期 3, 页码 245-251出版社
ELSEVIER
DOI: 10.1016/j.colsurfa.2006.11.003
关键词
electrorheological fluid; single-wall and multi-wall carbon nanotubes; monodisperse polymeric microsphere
Monodisperse polymeric microspheres coated by single- and multi-wall carbon nanotubes were prepared and applied to electrorheological (ER) fluids. First, functionalized carbon nanotubes (fCNTs) were prepared by the chemical oxidation method. Then, the polymeric particles were functionalized by incorporating glycidyl methacrylate. Epoxy rings on the particles surface were modified to amine groups by reacting them with 3-aminopropyl trimethoxysilane. Finally, particles with attached fCNTs were prepared by covalent bonding between carboxylic acid groups on the fCNTs and amine groups on the particles. The polymeric microspheres with attached fCNTs were characterized by scanning electron microscopy, infrared spectroscopy, optical microscopy and thermal analysis. The ER properties of the fCNTs-modified microspheres were measured under controlled electric fields. The ER properties of different fCNTs (single-wall versus multi-wall carbon nanotubes) were compared. Although the amount of WNTs anchored on the surfaces of the microspheres was less than 3 wt% of polymeric polymers, good ER properties were obtained for the fCNTs-coated particles. (c) 2006 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据