Adsorption isotherm of water vapor and its large hysteresis on highly ordered mesoporous silica

Shinji Inagaki, Aki Fukushima, Kazuo Kuroda, Kazuyuki Kuroda

研究成果: Article

78 引用 (Scopus)

抜粋

The first and second adsorption-desorption isotherms of water vapor on a new mesoporous material derived from kanemite have been measured. The isotherms show unusual type V isotherms and large hysteresis. The type V isotherms, which have never been observed for the other adsorbates, suggest that the mesoporous material has a hydrophobic surface, although the hydrophobicity decreased after treatment with water vapor because of rehydration of the surface. The significantly large hysteresis could be explained by the difference in contact angle between adsorption and desorption.

元の言語English
ページ(範囲)623-624
ページ数2
ジャーナルJournal of Colloid And Interface Science
180
発行部数2
DOI
出版物ステータスPublished - 1996 6 25

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Colloid and Surface Chemistry

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