Highly-ordered aluminosilicate mesoporous mesophase materials: physico-chemical properties and catalytic behaviour

Structural and textural characteristics as well as coordination states of aluminium and some catalytic properties are studied for highly-ordered (with very narrow XRD reflections) aluminosilicate mesoporous mesophase materials ((Si,Al)-MMM) prepared with different aluminium concentrations by hydroth...

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Bibliographic Details
Published in:Journal of molecular catalysis. A, Chemical Chemical, 2000-09, Vol.158 (1), p.349-354
Main Authors: Kodenev, E.G., Shmakov, A.N., Derevyankin, A.Yu, Lapina, O.B., Romannikov, V.N.
Format: Article
Language:English
Subjects:
27Al MAS NMR
Benzene alkylation
MCM-41
Mesoporous mesophase materials
Nitrogen adsorption
Structure
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Summary:Structural and textural characteristics as well as coordination states of aluminium and some catalytic properties are studied for highly-ordered (with very narrow XRD reflections) aluminosilicate mesoporous mesophase materials ((Si,Al)-MMM) prepared with different aluminium concentrations by hydrothermal synthesis in the presence of C 16H 33N(CH 3) 3Br. As shown, all physico-chemical parameters measured for these systems including their structural hydrostability are strongly influenced by the aluminium content. Based on analysis of the results obtained, a description of probable transformations during formation of mesoporosity in the C16-(Si,Al)-MMM is considered.
ISSN:1381-1169
1873-314X
DOI:10.1016/S1381-1169(00)00103-5