Properties of waterborne polyurethane/nanosilica composite

被引：0
|
作者：
Byung Kyu Kim
Jang Won Seo
Han Mo Jeong
机构：
[1] Pusan National University,Department of Polymer Science and Engineering
[2] University of Ulsan,Research Center for Machine Parts and Materials Processing, Department of Chemistry
来源：
Macromolecular Research | 2003年 / 11卷
关键词：
waterborne polyurethane; nanosilica; composite; emulsion particle size; mechanical properties; physical properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Aqueous emulsion of polyurethane (PU) ionomers were reinforced with hydrophobic nanosilica to give composites. The aqueous emulsion was stable and the particle size increased as the content of hydrophobic nanosilica was increased. The reinforcing effect of nanosilica in mechanical properties of these composites were examined by dynamic mechanical and tensile tests, and the Shore A hardness was measured. Enhanced thermal and water resistance and marginal reduction in transparency of these composites were observed compared with pristine polymer. These results were similar with those of our previous studies on waterborne PU/organoclay nanocomposites.
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页码：198 / 201
页数：3
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