| 空心玻璃微球表面接枝聚苯乙烯及其性能研究 |
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| 引用本文： | 潘顺龙,张敬杰,邓建国,贺传兰,宋广智.空心玻璃微球表面接枝聚苯乙烯及其性能研究[J].材料科学与工艺,2009(6):844-847,852. |
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| 作者姓名： | 潘顺龙 张敬杰 邓建国 贺传兰 宋广智 |
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| 作者单位： | 中国科学院理化技术研究所;中国工程物理研究院化工材料研究所; |
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| 基金项目： | 国家自然科学基金资助项目(10476031); 国家高技术研究发展计划资助项目(2006AA09Z209) |
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| 摘 要： | 空心玻璃微球表面改性有利于改善其与基体间的相容性,提高复合泡沫性能.通过接枝聚苯乙烯对空心玻璃微球进行表面处理,采用SEM、IR、热失重等方法分析了反应条件对接枝的影响.结果表明,接枝反应过程中提高反应温度、延长反应时间有利于接枝率的提高,但温度过高会加速单体自聚,降低接枝率.接枝处理后,随着聚合物层的增厚,空心玻璃微球表面缺陷减小,破损率降低,抗压强度得到一定程度提高.
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| 关 键 词： | 空心玻璃微球 表面接枝 抗压强度 |
Surface modification of hollow glass microspheres with grafting polystyrene and its properties |
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| PAN Shun-long,ZHANG Jing-jie,DENG Jian-guo,HE Chuan-lan,SONG Guang-zhi.Surface modification of hollow glass microspheres with grafting polystyrene and its properties[J].Materials Science and Technology,2009(6):844-847,852. |
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| Authors: | PAN Shun-long ZHANG Jing-jie DENG Jian-guo HE Chuan-lan SONG Guang-zhi |
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| Affiliation: | PAN Shun-long1,ZHANG Jing-jie1,DENG Jian-guo2,HE Chuan-lan2,SONG Guang-zhi1(1.Technical Institute of Physics , Chemistry,Chinese Academy of Science,Beijing 100080,China,2.Institute of Chemical Materials,China Academy of Engineering Physics,Mianyang 621900,China) |
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| Abstract: | To improve the properties of syntactic foams,the surface of hollow glass microspheres was modified by grafting polystyrene in this study. The influence of temperature and time on the reaction was studied by SEM,IR and TG. Results show that the grafting rate is promoted with the increased reaction temperature and the prolonged reaction time. But,the overhigh temperature will result in the decrease of grafting rate. The crush strength of the modified surface of microspheres is enhanced to a certain extent wit... |
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| Keywords: | hollow glass microspheres surface grafting crush strengtht |
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