Morphologies and properties of polyurethane/epoxy resin interpenetrating network nanocomposites modified with organoclay

被引：37
|
作者：
Jia, QM [1 ]
Zheng, MS [1 ]
Chen, HX [1 ]
Shen, RJ [1 ]
机构：
[1] Xian Jiaotong Univ, Sch Mat Sci & Engn, Xian 710049, Peoples R China
来源：
MATERIALS LETTERS | 2006年 / 60卷 / 9-10期
关键词：
nanocomposites; interpenetrating polymer networks; morphologies; mechanical and thermal properties;
D O I：
10.1016/j.matlet.2005.11.018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Polyurethane/epoxy resin interpenetrating network nanocomposites containing various contents of organophilic montmorillonite (oM-PU/EP nanocomposites) were prepared by a sequential polymeric technique and an in situ intercalation method. Transmission electronic microscopy and scanning electronic microscopy analysis showed that the interpenetrating process of PU and EP increases the exfoliation degree of organophilic montmorillonite (oMMT), and that oMMT improves the compatibility and phase structure of polyurethane/epoxy resin interpenetrating polymer networks (PU/EP IPNs). Tensile test, differential scanning calorimetry and thermal gravity analysis proved that the mechanical and thermal properties of the oM-PU/EP nanocomposites are superior to those of the pure PU and PU/EP IPNs. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：1306 / 1309
页数：4
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