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Direct Synthesis of Acidic Aluminosilicate Mesoporous Molecular Sieves

Published online by Cambridge University Press:  10 February 2011

Robert Mokaya  and
William Jones
Robert Mokaya
Affiliation:
Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 lEW, U.K.
William Jones
Affiliation:
Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 lEW, U.K.
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Abstract

A simple and versatile synthetic route, whereby primary amine surfactants are the template in the assembly of aluminosilicate inorganic species, is used to prepare aluminosilicate mesoporous molecular sieves in which Brønsted acidity is generated by simply calcining the as-synthesised material. Al incorporation is accompanied by charge-balancing protonated amine molecules. Si and Al are incorporated into the mesoporous framework to yield materials with textural properties similar to those of MCM-41 but with substantially higher Brønsted acidity.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 431: Symposium P – Microporous and Macroporous Materials , 1996 , 83
Copyright
Copyright © Materials Research Society 1996

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