Preparation and characterization of poly(ethylene-co-acrylic acid) ionomer/Na+-MMT nanocomposites

被引：0
|
作者：
Li Dun
Gil Soo Sur
机构：
[1] Yeungnam University,School of Display & Chemical Engineering
来源：
Macromolecular Research | 2011年 / 19卷
关键词：
nanocomposites; ionomer; poly(ethylene-; -acrylic acid); Na; -MMT;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Polymer/clay based composite films were prepared by incorporating sodium montmorillonite (Na+- MMT) clay into poly(ethylene-co-acrylic acid) (PEAA). The dispersion of the Na+-MMT particles in the PEAA/Na+-MMT nanocomposites was examined by TEM and XRD. TEM indicated that the average lateral dimension of the Na+-MMT particles in the PEAA/Na+-MMT nanocomposites was approximately 300 nm and their thickness was < 20 nm. XRD confirmed that the PEAA chains were intercalated into interlayers of Na+-MMT particles. The mechanical behavior of the PEAA/Na+-MMT nanocomposites with different Na+-MMT contents was examined using an Instron. The tensile strength increased with increasing Na+-MMT content. The thermal properties of the PEAA/Na+-MMT nanocomposites were also examined with reference to the TGA curves. The thermal resistance of the PEAA films showed visible improvement upon the addition of the Na+-MMT clay.
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页码：53 / 56
页数：3
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