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

Shinji Inagaki*, Aki Fukushima, Kazuo Kuroda, Kazuyuki Kuroda

*この研究の対応する著者

研究成果査読

80 被引用数 (Scopus)

抄録

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.

本文言語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
2
DOI
出版ステータスPublished - 1996 6 25

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 生体材料
  • 表面、皮膜および薄膜
  • コロイド化学および表面化学

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