第三章-介孔分子筛

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介孔分子筛 Mesoporous Materials
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介绍几篇参考文献
1、MCM-41中孔分子筛研究进展, 石油大学学报(自然科学版),2003,27,126; 2、介孔分子筛研究新进展 化学研究与应用,2004,16,601; 3、用表面活性剂合成介孔分子筛的新进展 精细石油化工,2004,(5),61;
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MCM-50
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MCM-50
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MCM-50
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2、介孔分子筛分类
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The M41S family
hexagonal unit cell MCM–41 (two dimensional, p6m),
cubic structures MCM–48 (three dimensional, Ia3d) lamellar structures MCM–50 which is a post-stabilized lamellar material.
This particular sample has a unit cell of approximately 46 Å
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Lattice Image
MCM-41
透射电镜 transmission electron micrograph (TEM) the uniform honey-comb like structure with a repeat of approximately 50 Å
国际纯粹和应用化学协会(IUPAC)的定义: 介孔材料就是孔径在 2-50 nm 的材料, 介孔就是介于微孔和大孔之间。
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<2nm
2-50nm
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1992 年,Mobil 的科学家们(Kresge等)
制备出孔道均匀、孔径可调的介孔M41S,
该材料包括: MCM-41;
MCM–48;
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4、From Microporous to Mesoporous Molecular Sieve Materials and Their Use in Catalysis
Chem. Rev. 1997, 97, 2373-2419
Avelino Corma
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5、 Advances in Microporous and Mesoporous Solids Highlights
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FSM-16 :
Yanagisawa等和 Inagaki等 使用与M41S家族相同的模板剂 用层状kanimite 为原料制备 与 MCM-41 结构相似 FSM代表Folded Sheets Mesoporous Material
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HMS 和MSU
1995 年,Pinnavaia 在中性条件下,以伯胺为模板剂, 依靠氢键相互作用, 合成出规则孔道,孔壁较厚的 HMS ; 用可生物降解的非离子表面活性剂为模板剂,
C.T.Kresge
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MCM-41
MCM–41 exhibits an X-ray diffraction pattern (XRD)
containing three or more low angle peaks (below 10° 2θ)
that can be indexed to an hexagonal hk0 lattice
Ind. Eng. Chem. Res. 1996, 35, 2075-2090
8、A review of zeolite-like porous materials Microporous and Mesoporous Materials 37 (2000) 243–252
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1、什么是介孔分子筛?
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MCM-41来自百度文库
MCM-41属于六方相 含有规则的二维孔道阵列,
Possible Structure
用不同尺寸的表面活性剂分子作为模板剂, 孔道的尺寸可在1.5-10nm之间变化
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MCM-48
The X-ray diffraction pattern consists of several peaks that can
MCM-50;
MCM 为 Mobil 公司合成的孔材料的系列名称,
Mobil Composite of Matter
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molecular sieves science and technology Synthesis Vol.1 1998 Springer
The Synthesis and Properties of M41S and Related Mesoporous Materials
of Recent Progress
Advanced Materials,2003,15,763;
6、Ordered Mesostructured Materials with Optical Functionality
Chem.Phys.Chem,2000,1,89;
7、Advances in Mesoporous Molecular Sieve MCM-41
be assigned to the Ia3d space group.
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MCM-48
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MCM-48
The structure of MCM–48 has been proposed to be bicontinuous with a simplified representation of two infinite three-dimensional, mutually intertwined, unconnected networks of rods as initially proposed by Luzzatti
在中性条件下,合成了 MSU HMS 代表 Hexagonal Mesoporous Silica ; MSU 代表 Michigan State University material
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突破了只依靠正负电荷的相互作用合成介孔分 子筛的方法,
把氢键作用的思维引入到介孔分子筛合成 使介孔分子筛的合成思路得到拓宽。
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