Increased flexural modulus and strength in SWNT/epoxy composites by a new fabrication method

被引：125

作者：

Moniruzzaman, M

Du, FM

Romero, N

Winey, KI ^{[1
]}

机构：

[1] Univ Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA

[2] Univ Penn, Dept Chem & Biomol Engn, Philadelphia, PA 19104 USA

来源：

POLYMER | 2006年 / 47卷 / 01期

基金：

美国国家航空航天局;

关键词：

nanocomposites; flexural modulus; nanotubes;

D O I：

10.1016/j.polymer.2005.11.011

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 [高分子化学与物理]; 080501 [材料物理与化学]; 081704 [应用化学];

摘要：

A new method for preparing SWNT/epoxy nanocomposites has been developed which involves high shear mixing of the epoxy resin and SWNT and heat treating the mixture prior to introducing the hardener. The glass transition temperature of the epoxy resin is unaffected by the presence of nanotubes. An improvement of 17% in flexural modulus and 10% in flexural strength has been achieved at 0.05 wt% of nanotubes. These improvements in flexural modulus and strength are attributed to good dispersion of the nanotubes and grafting of epoxy resin to SWNT by an esterification reaction. (c) 2005 Elsevier Ltd. All rights reserved.

引用

收藏

页码：293 / 298

页数：6

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