形状制御としてのスピノダール型凝集による微細粒子の内部構造制御 Steric Inner Structure Control of Fine Particles by Spinodal Decompositio as Shape Regulation Preparation

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Silica particles which have relatively large micro pores were synthesized by the calcination of silica gel including well dispersed phosphorous and molybdenum compounds. The suspension solution which was not perfectly dissolved solution of silica and other inorganic compounds was dried in order to get rid of solvents and volatiles and successively calcinated. Afterwards, the compounds were dissolved with hot water. It newly showed that the average pore diameter was proportional to the square root of calcination time even when the pore diameter was in the region of sub-micron. The pore size and distribution were also able to be controlled by the relative ratio of the phosphorous and molybdenum compounds, especially it changed largely by the ration of (NH4 )6 Mo7 O24 4 H2O in the solution. They also depended on the melting points of multiple inorganic salts and their steric structure. The steric structure of the pores was like spinodal decomposition profiles which was expected that the pore size distribution was narrow. A new type porous glass which is different from the pore glass types made by boron-silicate and "shirasu" balloon could be prepared from a new multiple salts solution.

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  • 資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan  

    資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan 115(6), 475-480, 1999-06 

    The Mining and Materials Processing Institute of Japan

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各種コード

  • NII論文ID(NAID)
    10002469804
  • NII書誌ID(NCID)
    AN10062646
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09161740
  • NDL 記事登録ID
    4778810
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-315
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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