[Ti]-MCM-41介孔分子筛是在空气中采用协同模板机理水热合成出来的,其中Ti离子是处在MCM-41的骨架孔壁中.合成所用硅源为工业级水玻璃,液晶模板剂为十六烷基三甲基溴化铵.对3种基本因素进行了考察,一是搀杂的Ti源不同,分别是四氯化钛和钛酸四丁酯;二是合成时溶液pH值不同;三是合成时Ti/Si摩尔比不同.样品表征分别采用XRD粉末X光衍射、N2吸附-脱附等温线(77K)对样品的结构性能进行了表征.
参考文献
| [1] | eckJS;Vartuli J C;Roth W J et al.A new family of mesoporous molecular sieves prepared with liquid crystal templates[J].Journal of the American Chemical Society,1992,114:10834. |
| [2] | KresgeCT;Leonowicz M E;Roth W J et al.Ordered mesoporous molecular sieves synthesized by a liquid crystal template mechanism[J].Nature,1992,359:710. |
| [3] | ThomasEW et al.Synthesis and characterization of titanium-containing MCM-41 using NH43 [TiO2F5] as the titanium source[J].Microporous and Mesoporous Materials,1998,21:67. |
| [4] | HuoQ;Margolese D;Stucky G D .Surfactant control of phases in the synthesis of mesoporous silica-based materials[Z].Chem Mater,1996,8:1147. |
| [5] | CaiQiang;Lin Weny Yong;Xiao Fengshou et al.The preparation of highly ordered MCM-41 with extremely low surfactant concentration[J].Microporous and Mesoporous Materials,1999,32:1. |
| [6] | Xiu S. Zhao;G. Q. (Max) Lu;Graeme J. Millar .Advances in Mesoporous Molecular Sieve MCM-41[J].Industrial & Engineering Chemistry Research,1996(7):2075-2090. |
| [7] | MichalKruk;Mietek Jaroniec;Ryong Ryoo et al.Monitoring of the structure of siliceous mesoporous molecular sieves tailored using different synthesis conditions[J].Microporous Materials,1997,12:93. |
| [8] | RoertMokaya .Hydrothermally-induced morphological transformation of mesoporous MCM-41 silica[J].Microporous and Mesoporous Materials,2001,44-45:119. |
| [9] | HuoQisheng;David I;Margolese et al.Generalized synthesis of periodic surfactant/inorganic composite materials[J].Nature,1994,368:317. |
| [10] | AhnWhaseung;Kim Namkyung;Jeong Soonyong .Synthesis, characterization, and catalytic properties of Ti-containing mesoporous molecular sieves prepared using a fluorosilicon compound[J].Catalysis Today,2001,68:83. |
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