Preparation, characterization and water barrier properties of PS/organo-montmorillonite nanocomposites

被引：56
|
作者：
Giannakas, A. [1 ]
Spanos, C. G. [1 ]
Kourkoumelis, N. [2 ]
Vaimakis, T. [3 ]
Ladavos, A. [1 ]
机构：
[1] Univ Ioannina, Sch Nat Resources & Enterprise Management, Agrinion 30100, Greece
[2] Univ Ioannina, Dept Phys, GR-45110 Ioannina, Greece
[3] Univ Ioannina, Dept Chem, GR-45110 Ioannina, Greece
来源：
EUROPEAN POLYMER JOURNAL | 2008年 / 44卷 / 12期
关键词：
Nanocomposite; Polystyrene; Organoclay; Thermal stability; WVT;
D O I：
10.1016/j.eurpolymj.2008.10.001
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Polystyrene/organo-montmorillonite nanocomposites were prepared via solution blending method, using CHCl3 and CCl4 as solvents, The clay used was organically modified by hexadecyltrimethyl-ammonium bromide (CTAB) at various surfactant loadings. Intercalated nanocomposite structure was obtained using CHCl3 as solvent while exfoliated or partially exfoliated was probably the predominated form in the case of CCl4, as shown by X-ray diffraction measurements. Enhancement in thermal stability and in water barrier properties was observed for PS-nanocomposites compared to that of pristine polymer as indicated by thermogravimetric analysis and water vapor transmission measurements. This increment was more prevalent for nanocomposites prepared with carbon tetrachloride as solvent. (C) 2008 Published by Elsevier Ltd.
引用
收藏
页码：3915 / 3921
页数：7
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