Synthesis and characterization of waterborne polyurethane/organic clay nanocomposites

被引：4
|
作者：
Li Z.-F. [1 ]
Wang S.-J. [1 ]
Li J.-Y. [1 ]
机构：
[1] Key Laboratory of Eco-Chemical Engineering (Ministry of Education), College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology
来源：
Frontiers of Materials Science in China | 2008年 / 2卷 / 3期
关键词：
Organic clay; Waterborne polyurethane (WPU); WPU/clay nanocomposites;
D O I：
10.1007/s11706-008-0056-y
中图分类号：
学科分类号：
摘要：
Stable waterborne polyurethane/organic clay latex was synthesized by ultrasonically-assisted mixing with different clay content. Fourier transform infrared (FT-IR) spectra showed that the interaction between NH and C=O was enhanced with low content organic clay loaded. X-ray diffraction (XRD) results implied that the layered organic clay was exfoliated and the crystallization of the hard domain in the waterborne polyurethane (WPU) matrix was enhanced. Transmission electron microscopy (TEM) images show that the layered clay was exfoliated by WPU molecule. The tensile test shows that the mechanical properties were improved by loading organic clay and the desired addition was 1 wt.%. © 2008 Higher Education Press and Springer-Verlag GmbH.
引用
收藏
页码：271 / 275
页数：4
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