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

Tatsuo Kimura, Kazuo Kuroda, Yoshiyuki Sugahara, Kazuyuki Kuroda

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    Abstract

    Silanol groups in the mesoporous silica derived from a layered silicate, kanemite (NaHSi2O5 · 3H2O), 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-dutanol 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.

    Original languageEnglish
    Pages (from-to)127-132
    Number of pages6
    JournalJournal of Porous Materials
    Volume5
    Issue number2
    Publication statusPublished - 1998

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    Keywords

    • Esterification
    • Hydrophobicity
    • Mesoporous silica
    • Pore size
    • Silanol group

    ASJC Scopus subject areas

    • Catalysis
    • Chemistry (miscellaneous)
    • Physical and Theoretical Chemistry
    • Materials Science(all)

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