Dynamics of amine functionalized nanotubes/epoxy composites by dielectric relaxation spectroscopy

被引：60

作者：

Valentini, L ^{[1
]}

Armentano, I ^{[1
]}

Puglia, D ^{[1
]}

Kenny, JM ^{[1
]}

机构：

[1] Univ Perugia, Mat Engn Ctr, I-05100 Terni, Italy

来源：

CARBON | 2004年 / 42卷 / 02期

关键词：

carbon nanotubes; differential scanning calorimetry; electrical properties;

D O I：

10.1016/j.carbon.2003.10.039

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：

An investigation was conducted to determine how the aspect ratio of single walled carbon nanotubes (SWNTs) affects the dynamics of epoxy/amine networks at various stages of cross-linking. A new insight at the molecular level was obtained by employing a novel experimental approach based on simultaneous dielectric-infrared measurements. In particular, evidence was found which supports the formation of amine functionalized SWNTs, which affords a vehicle for the migration of intrinsic charges and provides a contribution to the overall conductivity. (C) 2003 Elsevier Ltd. All rights reserved.

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页码：323 / 329

页数：7

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