Improvement of Dispersion of Carbon Nanotubes in Epoxy Resin Through Pyrogallol Functionalization

被引：5
|
作者：
Wang, Yanhui [1 ]
Chai, Mengsha [1 ]
Zhao, Hongjie [1 ]
Zhao, Xueying [1 ]
Ji, Peijun [1 ]
机构：
[1] Beijing Univ Chem Technol, Dept Chem Engn, Beijing, Peoples R China
来源：
POLYMER ENGINEERING AND SCIENCE | 2016年 / 56卷 / 09期
基金：
美国国家科学基金会;
关键词：
ELECTRICAL-PROPERTIES; AQUEOUS DISPERSIONS; NANOCOMPOSITES; COMPOSITES; KINETICS; MATRIX; ACID;
D O I：
10.1002/pen.24340
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Multiwalled carbon nanotubes (MWNTs) were functionalized with pyrogallol. The functionalized MWNTs were well-dispersed in the epoxy/curing agent/ethanol solution, as demonstrated by UV-vis spectra and optical micrographs. Epoxy resin/MWNTs composites were prepared via solution mixing method. The cure behavior was characterized using differential scanning calorimetry. Pyrogallol-functionalized carbon nanotubes (CNTs) reacted with the epoxy through the mediation reaction of pyrogallol with the curing agent, leading to the interfacial bonding between the functionalized carbon nanotubes (CNTs) and the resin matrix. Due to the excellent dispersion and interfacial bonding, the mechanical strength and electrical conductivity of the epoxy resin/CNTs composites have been improved. (C) 2016 Society of Plastics Engineers
引用
收藏
页码：1079 / 1085
页数：7
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