Functionalization of carbon nanotubes for fabrication of CNT/epoxy nanocomposites

被引：168
作者：
Cha, Jaemin [1 ]
Jin, Sunghwan [4 ]
Shim, Jae Hun [3 ]
Park, Chong Soo [3 ]
Ryu, Ho Jin [2 ]
Hong, Soon Hyung [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, 291 Daehak Ro, Taejon 305701, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Neclear & Quantum Engn, 291 Daehak Ro, Taejon 305701, South Korea
[3] Kukdo Chem Co Ltd, 61 Gasandigital 2 Ro, Seoul 153802, South Korea
[4] CMCM, 50 UNIST Gil, Ulsan 689798, South Korea
来源：
MATERIALS & DESIGN | 2016年 / 95卷
关键词：
Carbon nanotubes; Polymer-matrix nanocomposites; Mechanical properties; MECHANICAL-PROPERTIES; SINGLE-WALL; COMPOSITES; POLYSTYRENE; ADSORPTION; FIBERS;
D O I：
10.1016/j.matdes.2016.01.077
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To improve the dispersion of carbon nanotubes (CNTs) in epoxy matrix composites, polystyrene sulfonate (PSS) and poly(4-aminostyrene) (PAS) were attached on the surface of CNTs by noncovalent functionalization. In the case of PAS, amino groups can also generate chemical bonding with the epoxide groups in the epoxy matrix. CNTs noncovalently functionalized with PSS and PAS were then fabricated to obtain CNT/Epoxy nanocomposites with enhanced mechanical properties. The incorporation of noncovalently functionalized CNTs into the modified bisphenol-A type epoxy matrix yielded Young's modulus of 3.89 GPa and tensile strength of 82.59 MPa with the addition of 1 wt.% PAS-CNTs. The noncovalent functionalization of CNTs was effective in improving the composite's mechanical properties due to their enhanced dispersion and strong affinity with the epoxy matrix. (C) 2016 Elsevier Ltd. All rights reserved.
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页码：1 / 8
页数：8
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