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首页> 外文期刊>Multidiscipline modeling in materials and structures >ADDITIONAL EFFECTS OF UREA AND HEXAMETHYLENETETRAMINE ON PREPARATION AND ACIDIC PROPERTIES OF ALUMINUM POLYPHOSPHATES
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ADDITIONAL EFFECTS OF UREA AND HEXAMETHYLENETETRAMINE ON PREPARATION AND ACIDIC PROPERTIES OF ALUMINUM POLYPHOSPHATES

机译:尿素和六甲基乙丁胺对磷酸铝的制备和酸性质的附加影响

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摘要

Aluminum polyphosphate was prepared from aluminum nitrate solution and sodium polyphosphate solution with cation exchange resin in the molar ratio of Al/P = 1/3. Urea and hexamethylenetetramine were added in this preparation process. The thermal behavior of the obtained phosphates was analyzed by differential thermal analyses, X-ray diffraction, and Fourier transform infrared spectroscopy. Furthermore, these materials and their thermal products were estimated by specific surface area, pore size distribution, particle size distribution, acid strength, amount of acidic sites, and adsorption of trimethylamine.
机译:由硝酸铝溶液和聚磷酸钠溶液与阳离子交换树脂以Al / P = 1/3的摩尔比制备聚磷酸铝。在该制备过程中加入尿素和六亚甲基四胺。通过差示热分析,X射线衍射和傅立叶变换红外光谱分析所获得的磷酸盐的热行为。此外,通过比表面积,孔径分布,粒度分布,酸强度,酸性位点的量和三甲胺的吸附来估计这些材料及其热产物。

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  • 作者单位

    Division of Inorganic Materials Chemistry, Chemical Resource Laboratory, Tokyo Institute of Technology, 4259-R1-21, Nagatsuta, Midori, Yokohama, 226-8503, Japan;

    Department of Applied Chemistry, Faculty of Science and Engineering, Ritsumeikan University, 1-1-1, Nojihigashi, Kusatsu, Shiga 525-8577, Japan;

    Department of Applied Chemistry, Faculty of Science and Engineering, Ritsumeikan University, 1-1-1, Nojihigashi, Kusatsu, Shiga 525-8577, Japan;

    Department of Materials Science, Yonago National College of Technology, 4448, Hikona-cho, Yonago, Tottori 683-8502, Japan;

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  • 正文语种 eng
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  • 关键词

    aluminum polyphosphates; thermal behavior; hexamethylenetetramine;

    机译:聚磷酸铝;热行为六亚甲基四胺;

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