|
|||||
|
|
| 超声波对合成介孔材料Al-MCM-41的有序度的影响 | |
| 引用本文： | 刘永梅,赵彦生,窦涛. 超声波对合成介孔材料Al-MCM-41的有序度的影响[J]. 应用声学, 2008, 27(3): 239-243 |
| 作者姓名： | 刘永梅 赵彦生 窦涛 |
| 作者单位： | 1. 太原理工大学煤科学与技术教育部和山西省重点实验室,太原,030024;太原理工大学精细化工研究所,太原,030024 2. 太原理工大学煤科学与技术教育部和山西省重点实验室,太原,030024 3. 太原理工大学精细化工研究所,太原,030024 |
| 基金项目： | 国家自然科学基金 , 山西省青年基金 |
| 摘 要： | 在超声频率为20 kHz,电功率为500 W的超声波作用下,分别以Al（NO3）3和Al2 （SO4）3做铝源合成了具有不同Si/Al比的Al-MCM-41。XRD结果显示,尽管超声波作用下,掺杂杂原子Al也要降低介孔材料的有序度,但其有序度降低的程度比普通水热法要小,超声波的辅助可以在同样反应时间内得到比普通水热法具有更高有序度的Al-MCM-41,即在掺杂过程中,超声波要比普通搅拌有利于介孔材料保持其骨架稳定性。此外考察了超声波作用时间对产品有序度和粒度的影响。 |
| 关 键 词： | 超声合成 Al-MCM-41 介孔材料 有序度 |
| 修稿时间： | 2007-09-05 |
Effect of ultrasound on ordering degree of mesoporous material Al-MCM-41 |
|
| LIU Yong-Mei,ZHAO Yan-Sheng. Effect of ultrasound on ordering degree of mesoporous material Al-MCM-41[J]. Applied Acoustics(China), 2008, 27(3): 239-243 | |
| Authors: | LIU Yong-Mei ZHAO Yan-Sheng |
| Affiliation: | 1 Key Laboratory of Coal Science and Technology Ministry of Education and Shanxi Province,Taiyuan 0300248) (2 Institute of Special Chemistry,Taiyuan University of Technology,Taiyuan 030024) |
| Abstract: | Under ultrasonic treatment with a frequency of 20kHz and electric power of 500W,the mesoporous material Al-MCM-41 with different ratio of Si/Al were synthesized using Al（NO3）3 and Al2 （SO4）3 as aluminum sources,respectively.Sam- ples were examined by X-ray diffraction （XRD）.In the same reaction time,Al- MCM-41 with higher ordering degree can be obtained with the ultrasonic assistance compared to the traditional hydrothermal method,that is,in the doping process, the ultrasonic is more advantageous to maintain the framework stability of MCM-41. In addition,in this paper,the influence of the reaction time on the ordering de- gree and the particle size of the products were inspected. |
| Keywords: | Ultrasonic synthesis Al-MCM-41 Mesoporous material Ordering degree |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |
| 点击此处可从《应用声学》浏览原始摘要信息 | |
| 点击此处可从《应用声学》下载免费的PDF全文 | |