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A Titanosilicate That Is Structurally Analogous to an MWW-Type Lamellar Precursor

Authors

  • Weibin Fan Dr.,

    1. Division of Materials Science & Chemical Engineering, Graduate School of Engineering, Yokohama National University, Tokiwadai 79-5, Yokohama 240-8501, Japan, Fax: (+81) 45-339-3943
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  • Peng Wu Dr.,

    1. Division of Materials Science & Chemical Engineering, Graduate School of Engineering, Yokohama National University, Tokiwadai 79-5, Yokohama 240-8501, Japan, Fax: (+81) 45-339-3943
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  • Seitaro Namba Prof.,

    1. Department of Materials, Teikyo University of Science and Technology, Uenohara-machi, Yamanashi 409-0193, Japan
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  • Takashi Tatsumi Prof.

    1. Division of Materials Science & Chemical Engineering, Graduate School of Engineering, Yokohama National University, Tokiwadai 79-5, Yokohama 240-8501, Japan, Fax: (+81) 45-339-3943
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  • This work was supported by Core Research for Evolutional Science and Technology of Japan Science and Technology Corporation. W.F. gratefully acknowledges Japan Society for Promotion of Science (JSPS) for a fellowship as a foreign researcher.

Abstract

original image

Ein Titansilicat Ti-YNU-1 mit analoger Struktur zur lamellaren MWW-Vorstufe wurde durch postsynthetische Säurebehandlung und Calcinierung hergestellt (siehe Bild). Das Material hat Eigenschaften eines großporigen Zeolithen und zeigt hohe Aktivität, Selektivität und Stabilität bei der Flüssigphasenepoxidierung sterisch anspruchsvoller Cycloalkane mit H2O2 als Oxidans.

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