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Journal of Thermal Analysis and Calorimetry

, Volume 123, Issue 3, pp 1787–1794 | Cite as

Effect of organic functional groups on the phase transition of organic liquids in silica mesopores

  • Takashi TakeiEmail author
  • Mayaka Nakada
  • Norinobu Yoshikawa
  • Yoshihisa Hiroe
  • Hirohisa Yoshida
Article

Abstract

The phase transition behaviors of organic liquids condensed in the silica mesopores which modified with organic functional groups have been investigated. Three organic liquids, n-hexane, 1-hexanol and acetonitrile, were employed. The melting points of the organic liquids in the pores with and without the organic functional groups decreased with decreasing the pore size. The effect of the organic functional groups on the change in the physical properties of the organic condensed liquids in the pores was estimated from a depression of the melting point. The phase transition behaviors of the organic liquids in the pores closely related to the interaction between the organic molecules and the pore surfaces.

Keywords

Silica Mesopore Phase transition Surface modification 

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2015

Authors and Affiliations

  • Takashi Takei
    • 1
    Email author
  • Mayaka Nakada
    • 1
  • Norinobu Yoshikawa
    • 2
  • Yoshihisa Hiroe
    • 2
  • Hirohisa Yoshida
    • 1
  1. 1.Department of Applied Chemistry, Graduate School of Urban Environmental SciencesTokyo Metropolitan UniversityHachiojiJapan
  2. 2.Shiseido Research CenterYokohamaJapan

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