Anisotropic reinforcement of epoxy-based nanocomposites with aligned magnetite-sepiolite hybrid nanofiller

被引：18

作者：

Marins, Jessica Alves ^{[1
,2
]}

Mija, Alice ^{[1
]}

Pin, Jean-Mathieu ^{[1
]}

Giulieri, Francoise ^{[3
]}

Soares, Bluma Guenther ^{[2
]}

Sbirrazzuoli, Nicolas ^{[1
]}

Lancon, Pascal ^{[1
]}

Bossis, Georges ^{[1
]}

机构：

[1] Univ Nice Sophia Antipolis, Lab Phys Mat Condensee, CNRS, UMR 7336, F-06108 Nice 2, France

[2] Univ Fed Rio de Janeiro, Inst Macromol, Ctr Tecnol, Ilha Fundao, BR-21941598 Rio De Janeiro, RJ, Brazil

[3] Soc Pigm Azur, F-06000 Nice, France

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2015年 / 112卷

关键词：

Polymer-matrix composites (PMCs); Short-fiber composites; Magnetic properties; Mechanical properties; IRON-OXIDE NANOPARTICLES; REDUCING AGENT; ALIGNMENT; BEHAVIOR;

D O I：

10.1016/j.compscitech.2015.03.008

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Magnetic sepiolite fiber (m-SEP) was successfully prepared by chemical coupling of aminosilane-functionalized sepiolite with epoxysilane-functionalized magnetite, as confirmed by Fourier Transform Infrared Spectroscopy and Transmission Electron Microscopy. This hybrid material was magnetically aligned into an epoxy resin under the action of a relatively weak magnetic field and the resulting oriented dispersion was cured with a polyether amine. The addition of m-SEP increased the flexural modulus of the epoxy nanocomposites and the alignment in the longitudinal direction resulted in an additional reinforcement of the epoxy network, mainly for system containing 10 wt% of m-SEP. These results confirm the anisotropic reinforcing effect of the aligned magnetic sepiolite fibers. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：34 / 41

页数：8

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