Crystallization of Zirconium Phosphates from Organic Media with Hydrothermal  Technique: Effects of Synthesis Conditions

Ranbo YU; Dan WANG; Mikio TAKANO; Nobihiro KUMADA; Nobukazu KINOMURA

doi:10.14852/jcersjsuppl.112.0.S26.0

Journal of the Ceramic Society of Japan, Supplement 112-1, PacRim5 Special Issue

Session ID : 1

DOI https://doi.org/10.14852/jcersjsuppl.112.0.S26.0

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Host: The Ceramic Society of Japan

Co-host: Iketani Science and Technology Foundation, International Ceramic Federation, Commemorative Organization for the Japan World Exposition '70, The American Ceramic Society, The Australasian Ceramic Society, The Chinese Ceramic Society, The Korean Ceramic Society, Joint Research Consortium of Synergy Ceramics/Fine Ceramics Research Association, Nanotechnology Researchers Network Center of Japan, The Special Coordination Funds for Promoting Science and Technology, Japan National Tourist Organization, Aichi Prefectural Government, CASIO SCIENCE PROMOTION FOUNDATION, DAIKO FOUNDATION, Nagoya Convention and Visitors Bureau, The Asahi Glass Foundation, The Kao Foundation For Arts And Sciences, The Murata Science Foundation, The Ogasawara Foundation for the Promotion of Science & Engineering, ASAHI GLASS CO., LTD. Research Center, CENTRAL GLASS CO., LTD., ELECTRIC GLASS INDUSTRY ASSOCIATION OF JAPAN (EGAJ), Hattori Company, Ltd., Hitachi Research Laboratory, Hitachi, Ltd., HOYA CORPORATION, INAX Corporation, ITOCHU CERATECH CORP., Japan Cement Association, KYOCERA Corporation, KYUSHU REFRACTORIES CO., LTD., MINO CERAMIC CO., LTD., Murata Manufacturing Co., Ltd., NGK INSULATORS LTD., NGK SPARK PLUG CO., LTD., NICHIAS Corporation, NIKKO COMPANY, Nippon Electric Glass Co., Ltd., Nippon Sheet Glass Co., Ltd., NORITAKE CO., LIMITED, Tokuyama Corporation, TOTO LTD.

Papers

Crystallization of Zirconium Phosphates from Organic Media with Hydrothermal Technique: Effects of Synthesis Conditions

Ranbo YU, Dan WANG, Mikio TAKANO, Nobihiro KUMADA, Nobukazu KINOMURA

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Keywords: Zirconium phosphate, Hydrothermal synthesis, Crystal structure, Ion-exchange, Organic solvent, Organic template.

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Abstract

Three new zirconium phosphates, [NH₄]₂[H₃N(CH₂)₂NH₃]₂[Zr₃(OH)₆(PO₄)₄] (ZrPO-1), [NH₄]₂[Zr(OH)₃(PO₄)] (ZrPO-2) and [NH₄]₃[Zr(OH)₂(PO₄)(HPO₄)] (ZrPO-3), have been prepared in ZrOCl₂-H₃PO₄—organic anime-NH₄F—organic solvent systems, and characterized by single crystal X-ray diffraction, powder X-ray diffraction, thermal analysis, scanning electron microscope, infrared spectroscopy, ICP, and CHN elemental analysis. Through the systematical investigation of crystal structures and synthesis conditions, the effects of organic solvents, organic amines and F^- cations on product crystallization are further clarified. Moreover, the ion-exchange properties of the compounds have also been investigated.

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