| 疏水SiO_2气凝胶的常压制备及应用进展 |
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| 引用本文： | 殷帅,吴会军,丁云飞,廖云丹.疏水SiO_2气凝胶的常压制备及应用进展[J].材料导报,2011(3). |
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| 作者姓名： | 殷帅 吴会军 丁云飞 廖云丹 |
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| 作者单位： | 广州大学土木工程学院;广州大学广东省建筑节能及应用技术重点实验室; |
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| 基金项目： | 国家自然科学基金(50906014); 广州市高校科技计划项目(08C052) |
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| 摘 要： | 阐述了常压制备疏水SiO2气凝胶的关键技术,综述了表面后处理法、原位法等常压制备疏水SiO2气凝胶的工艺措施,介绍了疏水SiO2气凝胶在电磁学、光学、原子核物理等领域的应用现状,指出疏水处理可明显提高SiO2气凝胶的性能(低介电常数、高激光损伤阈值和耐环境能力等),从而拓宽了SiO2气凝胶的应用范围,最后展望了疏水SiO2气凝胶的发展和应用前景。
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| 关 键 词： | 疏水SiO2气凝胶 常压制备 表面改性 应用 |
Advances in Ambient-dried Preparation and Applications of Hydrophobic SiO_2 Aerogels |
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| YIN Shuai,WU Huijun,DING Yunfei,LIAO Yundan.Advances in Ambient-dried Preparation and Applications of Hydrophobic SiO_2 Aerogels[J].Materials Review,2011(3). |
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| Authors: | YIN Shuai WU Huijun DING Yunfei LIAO Yundan |
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| Affiliation: | YIN Shuai1,WU Huijun1,2,DING Yunfei1,LIAO Yundan1(1 School of Civil Engineering,Guangzhou University,Guangzhou 510006,2 Guangdong Key Laboratory of Building Efficiency and Application Techniques,Guangzhou 510006) |
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| Abstract: | The key techniques to prepare the hydrophobic SiO2 aerogels are introduced.The advances in the preparation of the hydrophobic SiO2 aerogels at ambient pressure(viz.,the surface modification method,the in-situ method) are reviewed.The recent applications of the hydrophobic SiO2 aerogels in electromagnetism,optical,atomic-nucleus physics areas are introduced.It could be proposed that the hydrophobic modification of the SiO2 aerogels significantly improved the performance of SiO2 aerogels(viz.,low dielectric c... |
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| Keywords: | hydrophobic SiO2 aerogels ambient-dried preparation surface modification applications |
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