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Journal of Porous Materials

, Volume 5, Issue 2, pp 127–132 | Cite as

Esterification of the Silanol Groups in the Mesoporous Silica Derived from Kanemite

  • Tatsuo Kimura
  • Kazuo Kuroda
  • Yoshiyuki Sugahara
  • Kazuyuki Kuroda
Article

Abstract

Silanol groups in the mesoporous silica derived from a layered silicate, kanemite (NaHSi12O5 ċ3H2O), were esterified with alcohols (CnH2n+1OH n=2 , 4, and 8). Most of the silanol groups in the mesopores were modified with ethanol though some silanol groups remained after the reactions with 1-butanol and 1-octanol. With the increase in the alkyl chain lengths of the alcohols, the pore sizes of the esterified products decreased and the hydrophobicity increased.

mesoporous silica esterification pore size hydrophobicity silanol group 

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Copyright information

© Kluwer Academic Publishers 1998

Authors and Affiliations

  • Tatsuo Kimura
    • 1
  • Kazuo Kuroda
    • 1
  • Yoshiyuki Sugahara
    • 1
  • Kazuyuki Kuroda
    • 1
    • 2
  1. 1.Department of Applied ChemistryWaseda UniversityShinjuku-ku, TokyoJapan
  2. 2.Kagami Memorial Laboratory for Materials Science and TechnologyWaseda UniversityShinjuku-ku, TokyoJapan

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