Chemical Surface Treatment of Alumina, Titania and Talc and Their Surface Natures

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  • SUZUKI Noboru
    Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University
  • BABA Noriyuki
    Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University
  • ENDO Atsushi
    Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University
  • UTSUGI Hiroshi
    Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University

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  • アルミナ, チタニアおよびタルクの化学的表面処理とその性状
  • アルミナ チタニア オヨビ タルク ノ カガクテキ ヒョウメン ショリ ト ソ

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The conditions of the surface treatment of alumina, titania and talc with isopropyltriisostearoyltitanate, cetanol and octadecyltriethoxysilane and their surface properties were investigated from the results of their carbon contents, surface areas, dispersibility, infrared absorption spectra and pyrolysis. The followings were found : (1) all reagents used for the treatment reacted effectively with alumina, titania and talc though the reactivity of the reagents varied and (2) hydroxyl group on the surface was replaced with alcoxy-, octadecyldihydroxysilyl- and triisostearoyltitanyl- group in the surface treatment.

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