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The Topotactic Conversion of a Novel Layered Silicate into a New Framework Zeolite

Authors

  • Takuji Ikeda Dr.,

    1. Laboratory for Membrane Chemistry, National Institute of Advanced Industrial Science and Technology, AIST, Tohoku, 4-2-4 Nigatake, Miyagino-ku, Sendai, 983-8551, Japan, Fax: (+81) 22-237-5226
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  • Yoshikatsu Akiyama Dr.,

    1. Ameraham Biosciences, K. K. Sanken Bldg. 3-25-1, Hyakunincho, Shinjuku-ku, Tokyo, 169-0073, Japan
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  • Yasunori Oumi Dr.,

    1. School of Materials Science, Japan Advanced Institute of Science and Technology, Tatsunokuchi, Ishikawa 923-1292, Japan
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  • Akiko Kawai Dr.,

    1. Laboratory for Membrane Chemistry, National Institute of Advanced Industrial Science and Technology, AIST, Tohoku, 4-2-4 Nigatake, Miyagino-ku, Sendai, 983-8551, Japan, Fax: (+81) 22-237-5226
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  • Fujio Mizukami Dr.

    1. Laboratory for Membrane Chemistry, National Institute of Advanced Industrial Science and Technology, AIST, Tohoku, 4-2-4 Nigatake, Miyagino-ku, Sendai, 983-8551, Japan, Fax: (+81) 22-237-5226
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  • We thank Dr. T. Kodaira (AIST) for the use of his instruments and fruitful discussions. T.I. thanks Dr. F. Izumi of the National Institute for Materials Science for his advice on the structure analysis and for furnishing powerful powder diffraction data analysis software and put set spurs. T.I. also thanks YUASA-IONICS Co. LTD. for support of the Ar gas adsorption experiments. This work was supported by the New Energy and Industrial Technology Development Organization of Japan.

Abstract

original image

Hochdichte Silicatschichten aus fünfgliedrigen Ringen sowie Me4NOH-Moleküle und K+-Ionen im porenartigen Zwischenschichtraum: Das ist die Struktur des Silicats PLS-1 (Bild links). Sein Erhitzen über 673 K im Vakuum lieferte den neuartigen Zeolith CDS-1 (Bild rechts) als Folge topotaktischer Dehydratisierungen und Kondensationen. CDS-1 ist reines Silicat und thermisch stabil und sollte daher für industrielle Anwendungen interessant sein.

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