High solids content waterborne acrylic/montmorillonite it nanocomposites by miniemulsion polymerization

被引：46
作者：
Diaconu, Gabriela [1 ]
Paulis, Maria [1 ]
Leiza, Jose R. [1 ]
机构：
[1] Univ Basque Country, Fac Ciencias Quim, Dept Quim Aplicada, POLYMAT,Inst Polymer Mat Sci, Donostia San Sebastian 20018, Spain
来源：
MACROMOLECULAR REACTION ENGINEERING | 2008年 / 2卷 / 01期
关键词：
D O I：
10.1002/mren.200700039
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Waterborne polymer/clay nanocomposites of methyl methacrylate and butyl acrylate have been prepared by miniemulsion polymerization. Two different commercial organically modified clays have been used: Cloisite 15A and Cloisite 30B. Nanocomposites with partially exfoliated structure, observed by wide-angle X-ray diffraction (WAXD), small angle X-ray scattering (SAXS) and transmission electron microscopy (TEM) were obtained by batch miniemulsion polymerization with 2-4 wt.-% clay and 30% solids content. The mechanical, thermal and permeation properties of the nanocomposites showed a substantial improvement. Furthermore, this approach has allowed the production of stable and coagulum free latex with solids content up to 42 wt.-% with partially exfoliated structures.
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收藏
页码：80 / 89
页数：10
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