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Chemical linking of MFI-type colloidal zeolite crystals

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons58385

Ågren,  P.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons59047

Thomson,  S.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons58637

Ilhan,  Y.
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons59145

Zibrowius,  B.
Service Department Farès (NMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Service Department Farès (NMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons58966

Schmidt,  W.
Research Group Schmidt, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Group Schmidt, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons58985

Schüth,  F.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Ågren, P., Thomson, S., Ilhan, Y., Zibrowius, B., Schmidt, W., & Schüth, F. (2002). Chemical linking of MFI-type colloidal zeolite crystals. In R. Aiello, F. Testa, & G. Giordano (Eds.), Impact of Zeolites and other Porous Materials on the New Technologies at the Beginning of the New Millenium, Studies in Surface Science and Catalysis (Vol. 143, pp. 159-166). amsterdam: Elsevier.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-9A3D-B
Abstract
Nanoparticles were synthesized using solutions of hydrolyzed TEOS and aluminate TPAOH at room temperature. These nanoparticles were crosslinked by reaction with 1,7- dichlorooctamethyltetrasiloxane. The resulting solid after calcinations is X-ray amorphous, but they show NMR and IR signatures akin to MFI type zeolites. They have microporous properties like a zeolitic structure, but in addition provide a mesopore system resulting from the crosslinking. The acid site strength of aluminosilicate materials is lower than that of HZSM-5, as shown by pyridine desorption at different temperatures followed by IR-spectroscopy.