Article
  • Mass Dependent Interaction Between Surface Hydroxyl Groups of Silica and Adsorbed Molecules
  • Kim JT, Seo ED
  • 실리카의 표면 히드록시기와 피흡착질의 질량의존성에 의한 상호작용
  • 김종택, 서은덕
Abstract
A quantitative relationship of mass dependent interaction between surface hydroxyl groups of silica and homologous series of adsorbed molecules, ΔνOH1 - ΔνOHX = 1/2C·ln(mx/m1), was derived from collision theory and Hammett σ substituent constants. This relationship was in good agreement with the results reported in literatures in either adsorption at liquid/solid interface or at vapor/solid interface and the adsorption mechanism could be characterized from the slopes of the equation by plotting the value of ΔνOH1 - ΔνOHX against ln(mx/m1). Also, good correlation between pKa and ΔνOH1 - ΔνOHX was confirmed as peal pKa1 - pKax = -σ/f·s(ΔνOH1 - ΔνOHX) and pKa1 - pKax = 1/2 s·log(m1 /mx).

  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2022 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 1985; 9(5): 351-360

    Published online Oct 25, 1985