Enhancement of interfacial adhesion and dynamic mechanical properties of poly(methyl methacrylate)/multiwalled carbon nanotube composites with amine-terminated poly(ethylene oxide)

被引：80
作者：
Wang, M
Pramoda, KP
Goh, SH
机构：
[1] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
[2] Natl Univ Singapore, Inst Mat Res & Engn, Singapore 117602, Singapore
来源：
CARBON | 2006年 / 44卷 / 04期
关键词：
carbon nanotubes; dynamic mechanical thermal analysis; scanning electron microscopy; X-ray photoelectron spectroscopy; functional groups;
D O I：
10.1016/j.carbon.2005.10.001
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：
We have studied the dynamic mechanical behavior of poly(methyl methacrylate) (PMMA)/acidified multiwalled carbon nanotube (MWNT) composites compatibilized with amine-terminated poly(ethylene oxide) (PEO-NH2) PEO-NH2 is ionically associated with acidified MWNTs via ionic interaction as shown by XPS and FTIR. The miscibility between PEO and PMMA improves the interfacial adhesion between polymer matrix and MWNTs, leading to an increase in the storage modulus values of the composites. The effects of PEO-NH2 on storage modulus and glass transition temperature are discussed. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：613 / 617
页数：5
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