| 介孔分子筛Ti-MCM-41的制备和结构 |
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| 引用本文： | 豆茂峰,金胜明,付英,常燕,关豪元,杨敏. 介孔分子筛Ti-MCM-41的制备和结构[J]. 硅酸盐学报, 2008, 36(1): 65-68 |
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| 作者姓名： | 豆茂峰 金胜明 付英 常燕 关豪元 杨敏 |
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| 作者单位： | 1. 中南大学资源加工与生物工程学院无机材料系,长沙,410083
2. 中南大学冶金科学与工程学院,长沙,410083 |
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| 摘 要： | 在醇水表面活性剂体系中以TiCl4和水玻璃为原料通过水热合成得到了有序的介孔分子筛Ti-MCM-41,并用小角X射线衍射、Fourier变换红外光谱、紫外-可见光谱、N2吸附技术和高分辨透射电镜技术进行表征.结果表明:Ti4 以四配位的形式结合在介孔分子筛的骨架结构中,在分子筛孔道内壁具有初级沸石结构单元;分子筛具有双孔结构,最可几孔径分别在2.6nm和3.85nm,分子筛比表面积达到1 030 m2/g,与高分辨透射电镜结果一致.
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| 关 键 词： | Ti-MCM-41 介孔分子筛 结构表征 Ti-MCM-41 mesoporous molecular sieves structural characterization |
| 文章编号： | 0454-5648（2008）01-65-04 |
| 收稿时间： | 2007-04-04 |
| 修稿时间： | 2007-06-20 |
PREPARATION AND STRUCTURE OF MESOPOROUS MOLECULAR SIEVES Ti-MCM-41 |
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| DOU Maofeng,JIN Shengming,FU Ying,CHANG Yan,GUAN Haoyuan,YANG Min. PREPARATION AND STRUCTURE OF MESOPOROUS MOLECULAR SIEVES Ti-MCM-41[J]. Journal of The Chinese Ceramic Society, 2008, 36(1): 65-68 |
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| Authors: | DOU Maofeng JIN Shengming FU Ying CHANG Yan GUAN Haoyuan YANG Min |
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| Abstract: | High-ordered, Ti4 -incorporated, bimodal mesoporous material Ti-MCM-41 was synthesized from glass water and TiCl4 in a water-ethanol-surfactant system and characterized by small-angle X-ray diffraction, Fourier transform infrared spectroscopy, ultraviolet-visible spectroscopy, N2 adsorption-desorption, and high resolution transmission microscopy techniques. The results show that Ti4 was in four coordinate in the framework of MCM-41. Furthermore, the zeolite primary units were formed in the framework. The Ti-MCM-41 sample had a bimodal mesoporous structure with the most probable pore sizes of 2.60 nm and 3.85 nm. The specific surface area of Ti-MCM-41 was 1 030 m2/g. |
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| Keywords: | Ti-MCM-41 mesoporous molecular sieves structural characterization |
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