Silane modification of carbon nanotubes and its effects on the material properties of carbon/CNT/epoxy three-phase composites

被引：95
|
作者：
Lee, Ji-Hoon [2 ]
Rhee, Kyong Yop [1 ]
Park, Soo Jin [3 ]
机构：
[1] Kyung Hee Univ, Coll Engn, Dept Mech Engn, Ind Liaison Res Inst, Yongin 446701, South Korea
[2] LG Elect Inc, Mobile Commun R&D Ctr, Seoul 153801, South Korea
[3] Inha Univ, Dept Chem, Inchon 402751, South Korea
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2011年 / 42卷 / 05期
关键词：
Polymer-matrix composites (PMCs); Mechanical properties; Surface treatment; Three-phase composites; MECHANICAL-PROPERTIES; EPOXY; NANOCOMPOSITES; ENHANCEMENT; FIBER;
D O I：
10.1016/j.compositesa.2011.01.004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Carbon/CNT/epoxy three-phase composites were fabricated by incorporating woven carbon fibers into epoxy mixed with multi-walled carbon nanotubes (MWCNTs). Three carbon/CNT/epoxy composites were fabricated containing unmodified, acid-modified, and silane-modified CNTs at 1 wt.% to investigate the effects of the silane-modified CNTs on the mechanical, thermal, and electrical properties of the threephase composites. The results showed that the elastic modulus and tensile strength of the carbon/ CNT/epoxy three-phase composites were improved by silane modification of the CNTs. Specifically, the elastic modulus of the silane-modified carbon/CNT/epoxy composite was approximately 13% and 18% higher than that of the acid-modified and unmodified composites, respectively. The tensile strength of the silane-modified carbon/CNT/epoxy composite was 8.4% and 15.8% higher than that of the acid-modified and unmodified composites, respectively. In addition, the thermal properties and electrical conductivity of the carbon/CNT/epoxy composites were improved due to silane modification of the CNTs. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：478 / 483
页数：6
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