Surface Modification of Carbon Nanotube by Poly(ethylene glycol) for the Preparation of Poly(vinyl alcohol) Nanocomposite

被引：4
作者：
Kim, Min Jee [1 ]
Lee, Jeongwoo [1 ]
Jung, Dongsoo [2 ]
Shim, Sang Eun [1 ]
机构：
[1] Inha Univ, Dept Chem Engn, Inchon 402751, South Korea
[2] Inha Univ, Dept Mech Engn, Inchon 402751, South Korea
来源：
JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY | 2010年 / 47卷 / 06期
关键词：
Multi-walled carbon nanotube; poly(ethylene glycol); composite; dispersion uniformity; electrical conductivity; FUNCTIONALIZATION; DISPERSION;
D O I：
10.1080/10601321003742097
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Herein, PEGylated multi-walled carbon nanotube (MWNT) was prepared for the successive fabrication of poly(vinyl alcohol) PVA/MWNT nanocomposite film by solution casting. The surface modified MWNT showed a good colloidal stability in a polar solvent, i.e., water. Also, the PEGylated MWNT had an improved dispersion stability in aqueous PVA solution. The mixture of PEGylated MWNT and PVA dissolved in water was film casted and the dispersion uniformity and corresponding improvement of electrical conductivity were investigated. The electrical conductivity of PVA/modified MWNT composite film was three-fold higher than that of PVA/pristine MWNT composite film due to the much improved distribution uniformity of modified MWNT in PVA matrix.
引用
收藏
页码：588 / 594
页数：7
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