EFFECT OF PRESSURE ON THE ADSORPTION OF 1-OCTADECANOL AT OIL/WATER INTERFACES.

Hidemi Iyota, Makoto Aratono, Michio Yamanaka, Kinsi Motomura, Ryohei Matuura

研究成果: ジャーナルへの寄稿記事

14 引用 (Scopus)

抄録

In order to investigate the effect of pressure on the adsorption at interfaces, the interfacial tension was measured as a function of pressure and composition for the systems of water and dilute solutions of 1-octadecanol in cyclohexane, benzene, and their equimolar mixture. The interfacial density of 1-octadecanol and the volume of interface formation were evaluated from the experimental data. Under atmospheric pressure, cyclohexane exhibits a significant adsorption of 1-octadecanol and a rapid decrease in the volume of interface formation, giving rise to the phase transition from the expanded to the condensed state in the adsorbed film, while benzene and equimolar mixture display only a small decrease in the thermodynamic quantities on the 1-octadecanol adsorption. Under high pressure, however, all the systems studied cause the phase transition. The effects of pressure and solvent on the phase transition of the adsorbed film were revealed on the basis of the thermodynamic quantities.

元の言語英語
ページ(範囲)2402-2406
ページ数5
ジャーナルBulletin of the Chemical Society of Japan
56
発行部数8
DOI
出版物ステータス出版済み - 1 1 1983
外部発表Yes

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Oils
Adsorption
Water
Phase transitions
Benzene
Thermodynamics
Atmospheric pressure
Surface tension
stearyl alcohol
Chemical analysis
Cyclohexane

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

これを引用

EFFECT OF PRESSURE ON THE ADSORPTION OF 1-OCTADECANOL AT OIL/WATER INTERFACES. / Iyota, Hidemi; Aratono, Makoto; Yamanaka, Michio; Motomura, Kinsi; Matuura, Ryohei.

:: Bulletin of the Chemical Society of Japan, 巻 56, 番号 8, 01.01.1983, p. 2402-2406.

研究成果: ジャーナルへの寄稿記事

Iyota, Hidemi ; Aratono, Makoto ; Yamanaka, Michio ; Motomura, Kinsi ; Matuura, Ryohei. / EFFECT OF PRESSURE ON THE ADSORPTION OF 1-OCTADECANOL AT OIL/WATER INTERFACES. :: Bulletin of the Chemical Society of Japan. 1983 ; 巻 56, 番号 8. pp. 2402-2406.
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abstract = "In order to investigate the effect of pressure on the adsorption at interfaces, the interfacial tension was measured as a function of pressure and composition for the systems of water and dilute solutions of 1-octadecanol in cyclohexane, benzene, and their equimolar mixture. The interfacial density of 1-octadecanol and the volume of interface formation were evaluated from the experimental data. Under atmospheric pressure, cyclohexane exhibits a significant adsorption of 1-octadecanol and a rapid decrease in the volume of interface formation, giving rise to the phase transition from the expanded to the condensed state in the adsorbed film, while benzene and equimolar mixture display only a small decrease in the thermodynamic quantities on the 1-octadecanol adsorption. Under high pressure, however, all the systems studied cause the phase transition. The effects of pressure and solvent on the phase transition of the adsorbed film were revealed on the basis of the thermodynamic quantities.",
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