Preparation, structure and properties of unsaturated polyester/modified montmorillonite nanocomposites

被引：0
|
作者：
Zhou, Y [1 ]
Yang, XY [1 ]
Jia, DM [1 ]
机构：
[1] S China Univ Technol, Coll Mat Sci & Engn, Guangzhou 510640, Peoples R China
来源：
JOURNAL OF POLYMER MATERIALS | 2005年 / 22卷 / 01期
关键词：
nanocomposite; unsaturated polyester; modified montmorillonite; structure; properties;
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Intercalated nanocomposites of unsaturated polyester (UP) and organophilic montmorillonite (GEMMT) with reactive double bonds on interlayer surfaces were prepared. The physical and mechanical properties of the nanocomposites were superior to those of untreated UP. Flexural modulus of nanocomposites with 3 phr GEMMT increased by 58% and fracture toughness of nanocomposite with 5 phr GEMMT increased by 62%. Glass temperatures and thermal stability of UP/GEMMT composites were pronouncedly improved. Nanocomposite with 5 phr GEMMT had a two-phase domain structure which was composed of highly crosslinked micro-flakes dispersed in lowly crosslinked resin matrix, which resulted in two glass transitions.
引用
收藏
页码：61 / 67
页数：7
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