Assessing organo-clay dispersion in polymer layered silicate nanocomposites: A SAXS approach

被引:53
作者
Causin, V
Marega, C
Marigo, A
Ferrara, G
机构
[1] Univ Padua, Dipartimento Sci Chim, I-35131 Padua, Italy
[2] Univ Padua, INSTM, Res Unit, I-35131 Padua, Italy
[3] Basell Poliolefine Italia SpA, Ctr Ric, I-44100 Ferrara, Italy
关键词
nanocomposites; small-angle X-ray scattering (SAXS); transmission electron microscopy (TEM);
D O I
10.1016/j.polymer.2005.08.034
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A SAXS method for the quantitative assessment of the morphology of polymer layered silicate nanocomposites is proposed. Fitting the SAXS patterns, the number of clay layers, the periodicity of the layers in the tactoids, the thickness of the regions interposed between the clay platelets and their distributions can be measured. A good agreement with TEM data was obtained, avoiding the inconsistencies with microscopical observations often reported in the literature. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:9533 / 9537
页数:5
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