Solvent effect on the adsorption of 1-octadecanol at oil/water interface

Takayuki Ikenaga, Norihiro Matubayasi, Makoto Aratono, Kinsi Motomura, Ryohei Matuura

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

In order to study the effect of solvent on the adsorption at interfaces, interfacial tension was measured as a function of temperature and compositon for the systems of water and solutions of 1-octadecanol in cyclohexane, cyclo-hexene, mesitylene, toluene, and benzene. The interfacial density of 1-octadecanol and the entropy and energy of interface formation were calculated thermodynamically. It was found that cyclohexane causes a significant adsorption of 1-octadecanol and marked decreases in the entropy and energy changes, giving rise to phase transition from expanded to condensed film, while benzene, toluene, and mesitylene cause only a slight adsorption and small decrease in thermodynamic quantities. Gyclohexene was found to give rise to an intermediate adsorptive behavior of 1-octadecanol. The results were interpreted in terms of the mutual solubility between water and solvents and that of 1-octadecanol in the solvents.

Original languageEnglish
Pages (from-to)653-657
Number of pages5
JournalBulletin of the Chemical Society of Japan
Volume53
Issue number3
DOIs
Publication statusPublished - Mar 1 1980

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Oils
Adsorption
Water
Toluene
Benzene
Entropy
Surface tension
Solubility
Phase transitions
stearyl alcohol
Thermodynamics
Temperature
Cyclohexane
mesitylene

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Solvent effect on the adsorption of 1-octadecanol at oil/water interface. / Ikenaga, Takayuki; Matubayasi, Norihiro; Aratono, Makoto; Motomura, Kinsi; Matuura, Ryohei.

In: Bulletin of the Chemical Society of Japan, Vol. 53, No. 3, 01.03.1980, p. 653-657.

Research output: Contribution to journalArticle

Ikenaga, Takayuki ; Matubayasi, Norihiro ; Aratono, Makoto ; Motomura, Kinsi ; Matuura, Ryohei. / Solvent effect on the adsorption of 1-octadecanol at oil/water interface. In: Bulletin of the Chemical Society of Japan. 1980 ; Vol. 53, No. 3. pp. 653-657.
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