TiO_2の効果的な疎水化付与に必要なVTESおよびVTMSの適正オリゴマーの生成条件 Conditions of the Oligomer Formation of VTES and VTMS Suitable for the Donation of Effective Hydrophobicity to TiO_2

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Conditions that afford effective hydrophobicity to a dry process were examined by preliminarily treating coupling agents, VTES and VTMS, under various conditions and the correlation existing among oligomer formation, water consuming rate and hydrophobicity M value were considered. The main findings obtained are as follows: 1) Hydrophobicity M values increase with the preliminary treatment time of the coupling agent, and the time required for the stand up of M value was shortened by increasing initial water concentration, decreasing the initial solvent alcohol concentration, lowering of the pH value of aqueous phase and elevation of the temperature. 2) The behavior of the M value of TiO<sub>2</sub> was greatly affected by oligomer formation in the solution of preliminary treatment. and 3) The existence of an intimate relationship between the half-life of VTES or VTMS monomer in the solution of preliminary treatment and hydrophobicity M value of TiO<sub>2</sub> determined at the same preliminary treatment duration was found, thus the half-life was considered an important parameter for establishing conditions that afford effective hydrophobicity to TiO<sub>2</sub>.

収録刊行物

  • 表面技術 = The Journal of the Surface Finishing Society of Japan

    表面技術 = The Journal of the Surface Finishing Society of Japan 53(4), 273-277, 2002-04-01

    The Surface Finishing Society of Japan

参考文献:  5件中 1-5件 を表示

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    吉岡博

    表面 21(3), 157, 1983

    被引用文献9件

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    富永健治

    ポリマーダイジェスト 34(3), 23, 1982

    被引用文献3件

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    材料技術研究協会編集委員会偏

    複合材料と界面 137, 1986

    被引用文献1件

  • <no title>

    佐賀須美子

    表面技術 50, 84, 1999

    被引用文献1件

  • <no title>

    佐貫須美子

    表面技術 51, 828, 2000

    被引用文献5件

各種コード

  • NII論文ID(NAID)
    10008222382
  • NII書誌ID(NCID)
    AN1005202X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09151869
  • NDL 記事登録ID
    6144099
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-291
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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