Zeotile-2: A microporous analogue of MCM-48

被引：13

作者：

Kremer, SPB

Kirschhock, CEA

Aerts, A

Aerts, CA

Houthoofd, KJ

Grobet, PJ

Jacobs, PA

Lebedev, OI

Van Tendeloo, G

Martens, JA

机构：

[1] Catholic Univ Louvain, Ctr Surface Chem & Catalysis, B-3001 Louvain, Belgium

[2] Univ Antwerp, Ctr Electron Microscopy Mat Sci, B-2020 Antwerp, Belgium

来源：

SOLID STATE SCIENCES | 2005年 / 7卷 / 07期

关键词：

zeolite; microporous; mesoporous; MCM-48; zeotile-2; synthesis; nitrogen adsorption;

D O I：

10.1016/j.solidstatesciences.2005.01.021

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Ordered mesoporous materials with specific microporosity in the mesopore walls can be assembled by a secondary templating synthesis departing from a clear subcolloidal suspension dedicated to the tetrapropylammonium (TPA) mediated synthesis of colloidal Silicalite-1. A typical member of this material family is Zeotile-2. Zeotile-2 is mesostructurally similar to the cubic MCM-48 material with exceptional long-range order of the mesostructure. Zeotile-2 samples in which the TPA was either left or evacuated were prepared by leaching in boiling ethanolic acetic acid and calcination. The evacuation of the TPA gave rise to a substantial micropore volume revealed with nitrogen adsorption isotherms. The mesoporosity was independent of the presence of the TPA. Molecular separations of isooctane/octane mixtures illustrated the occurrence of molecular shape selectivity similar to MFI-type zeolites. (c) 2005 Elsevier SAS. All rights reserved.

引用

页码：861 / 867

页数：7

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