| MTMS基SiO_2气凝胶的制备及其影响因素 |
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| 引用本文： | 贺香梅,徐壁,蔡再生.MTMS基SiO_2气凝胶的制备及其影响因素[J].广东化工,2014(1):21-22,34. |
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| 作者姓名： | 贺香梅 徐壁 蔡再生 |
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| 作者单位： | 东华大学化学化工与生物工程学院,上海201620 |
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| 基金项目： | 上海市自然科学基金“纺织纤维负载改性TiO2/SiO2气凝胶复合光催化剂及其光催化性能研究”（No.13ZR1451100） |
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| 摘 要： | 以甲基三甲氧基硅烷(MTMS)为前驱体,通过酸碱两步溶胶凝胶法,常压干燥制备了SiO2气凝胶,综合研究了反应条件对气凝胶导热系数,堆积密度,比表面积和孔径的影响,利用FT-IR分析了SiO2气凝胶的化学结构。
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| 关 键 词： | 甲基三甲氧基硅烷 SiO气凝胶 导热系数 比表面积 堆积密度 |
The Synthesis of Silica Aerogel Using MTMS Precursor and Its Influencing Factors |
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| He Xiangmei,Xu Bi,Cai Zaisheng.The Synthesis of Silica Aerogel Using MTMS Precursor and Its Influencing Factors[J].Guangdong Chemical Industry,2014(1):21-22,34. |
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| Authors: | He Xiangmei Xu Bi Cai Zaisheng |
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| Affiliation: | (College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China) |
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| Abstract: | Silica aerogel was synthesised using methyltrimethoxysilane（MTMS） as precursor by a two step （acid-base） sol-gel process followed by the ambient pressure drying. The effects of sol-gel parameters on the thermal conductivity, bulk density, surface area and pore size of the aerogels have been investigated. The chemical structure of silica aerogel has been analysed by the FT-IR. |
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| Keywords: | MTMS silica aerogeh thermal conductivity surface area bulk density |
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