Sepiolite-based epoxy nanocomposites: Relation between processing, rheology, and morphology

被引：59

作者：

Franchini, Elsa ^{[1
]}

Galy, Jocelyne ^{[1
]}

Gerard, Jean-Francois ^{[1
]}

机构：

[1] Inst Natl Sci Appl, CNRS, IMP, Mat Macromol Lab,UMR 5223, F-69621 Villeurbanne, France

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2009年 / 329卷 / 01期

关键词：

Epoxy; Sepiolite; Dispersion; Rheology; Nanocomposites; Networks; Dynamic mechanical properties; SILICA; RESINS; SILSESQUIOXANES; SUSPENSIONS; COMPOSITES; ORGANOCLAY; NETWORKS; BEHAVIOR; POSS;

D O I：

10.1016/j.jcis.2008.09.020

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：

Rheology of sepiolite-based epoxy suspensions as well as morphololoy and dynamic mechanical properties of the corresponding nanocomposites are discussed in this paper. The influence of the type of sepiolite used, i.e. non-modified. aminosilane and glycidylsilane Surface modified, and of the process developed to prepare the epoxy suspensions were investigated. Except for low amount of filler, a shear thinning behavior was observed in the others sepiolite-based epoxy suspensions. The interactions developed between the sepiolite and the epoxy matrix are responsible for the magnitude of the shear thinning effect and are related to the morphology of the nanocomposites. The best dispersion of sepiolite was achieved using either an emulsion process or a glycidyl functionalized sepiolite. (C) 2008 Elsevier Inc. All rights reserved.

引用

页码：38 / 47

页数：10

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