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STUDY ON MISCIBILITY OF MOLECULES IN ORIENTED MOLECULAR ASSEMBLIES BY HIGH RESOLUTION CALORIMETER

Research Project

Project/Area Number 05403014
Research Category

Grant-in-Aid for General Scientific Research (A)

Allocation TypeSingle-year Grants
Research Field 機能・物性・材料
Research InstitutionKYUSHU UNIVERSITY

Principal Investigator

MATSUBARA Akira (1995)  FACULTY OF SCIENCE,PROFESSOR, 理学部, 教授 (90038406)

本村 欣士 (1993-1994)  九州大学, 理学部, 教授 (00037186)

Co-Investigator(Kenkyū-buntansha) TAKIUE Takanori  FACULTY OF SCIENCE,Research Associate, 理学部, 助手 (40271100)
ARATONO Makoto  FACULTY OF SCIENCE,Associate Professor, 理学部, 助教授 (20175970)
池田 宜弘  福岡女子大学家政学部, 助教授 (30211030)
Project Period (FY) 1993 – 1995
Project Status Completed (Fiscal Year 1995)
Budget Amount *help
¥18,600,000 (Direct Cost: ¥18,600,000)
Fiscal Year 1995: ¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1994: ¥3,800,000 (Direct Cost: ¥3,800,000)
Fiscal Year 1993: ¥12,500,000 (Direct Cost: ¥12,500,000)
Keywordsmolecular assembly / high resolution calorimeter / enthalpy of mixing / micelle / enthalpy of adsorption
Research Abstract

1.The enthalpy of mixing of water and tetraethylene glycol monooctyl ether (C8E4) was precisely measured as a function of concentration of surfactant and temperature by using the high accuracy isothermal titration calorimeter. The differential enthalpies of solution of monomer and micelle and the enthalpy of micelle formation were evaluated by applying the thermodynamic relations developed to the enthalpy of mixing measured. The dissolution of pure liquid C8E4 is exothernmic and the micelle formation is endothermic, respectively. It is shown that the partial molar enthalpy of water may afford an insight into the hydration in micellar state. It was also shown that there exists the difference in values between the enthalpy of micelle formation obtained directly from calorimetry and that indirectly from the temperature dependence of critical micelle concentration.
2.The experimental method is now applied to the measurement of the enthalpy of mixing of mixed surfactant systems. Furthermore it was suggested that this calorimeter, because of its extremely high resolution, is applicable to measure directly the enthalpy of interface formation and adsorption of surfactant at the interface.

Report

(4 results)
  • 1995 Annual Research Report   Final Research Report Summary
  • 1994 Annual Research Report
  • 1993 Annual Research Report
  • Research Products

    (17 results)

All Other

All Publications (17 results)

  • [Publications] 荒殿誠: "Thermodynamic study on the miscibility of sodium perfluorooctanoate and sodium dodecyl sulfate in the adsorbed film and micelle" Journal of Colloid and Interface Science. 174. 156-161 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 荒殿誠: "Enthalpies of Adsorption and Micelle Formation of Octyl Methyl Sulfoxide" Netsusokutei. 22. 131-136 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 瀧上隆智: "Miscibility of sodium dodecyl sulfate and sodium decyl sulfate in the adsorbed film and micelle" Colloid and Polymer Science. 274 (印刷中). (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 荒殿誠: "Calorimetry of Surfactant Solutions. I.Measurement of Enthalpy of Mixing of Tetraethylene Glycol Monooctyl Ether and Water" Journal of the Physical Chemistry. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 荒殿誠: "コロイド科学II.会合コロイドと薄膜" 日本化学会編 東京化学同人, 25 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 木村欣士: "コロイド科学II.会合コロイドと薄膜" 日本化学会編 東京化学同人, 5 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] M.Aratono, M.Ikeguchi, T.Takiue, N.Ikeda, K.Motomura: "Thermodynamic Study on the Miscibility of Sodium Perfluorooctanoate and Sodium Dodecyl Sulfate in the Adsorbed Film and Micelle" J.Colloid Interface Sci.174. 156 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] M.Aratono, K.Shimada, N.Ikeda, T.Takiue, K.Motomura: "Enthalpies of Adsorption and Micelle Formation of Octyl Methyl Sulfoxide" Netsusokutei. 22. 131 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.Takiue, M.Tomioka, N.Ikeda, A.Matsubara, M.Aratono, K.Motomura: "Miscibility of Sodium Dodecyl Sulfate and Sodium Decyl Sulfate in the Adsorbed Film and Micelle" Colloid & Polym.Sci.274(in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] M.Aratono, A.Ohta, N.Ikeda, T.Takiue, A.Matubara, K.Motomura: "Calorimetry of Surfactant Solutions.I.Measurement of Enthalpy of Mixing of Tetraethylene Glycol Monooctyl Ether and Water" J.Phys.Chem.(in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 荒殿 誠: "Thermodynamic study on the miscibility of sodium perfluorooctanoate and sodium dodecyl sulfate in the adsorbed film and micelle" Journal of Colloid and Interface Science. 174. 156-161 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 荒殿 誠: "Enthalpies of Adsorption and Micelle Formation of Octyl Methyl Sulfoxide" Netsusokutei. 22. 131-136 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 瀧上隆智: "Miscibility of sodium dodecyl sulfate and sodium decyl sulfate in the adsorbed film and micelle" Colloid and Polymer Science. 274(印刷中). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] 荒殿 誠: "Calorimetry of Surfactant Solutions. I. Measurement of Enthalpy of Mixing of Tetraethylene Glycol Monooctyl Ether and Water" Journal of the Physical Chemistry. (印刷中).

    • Related Report
      1995 Annual Research Report
  • [Publications] 荒殿 誠: "コロイド科学II. 会合コロイドと薄膜" 日本化学会編 東京化学同人, 25 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 本村欣士: "コロイド科学II. 会合コロイドと薄膜" 日本化学会編 東京化学同人, 5 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 荒殿,誠: "Thermodynamic study on the miscibility of sodium perfluorooctanoate and sodium dodecyl sulfate in the adsorbed film and micelle" Journal of Colloid and Interface Science. (印刷中). (1995)

    • Related Report
      1994 Annual Research Report

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Published: 1993-04-01   Modified: 2016-04-21  

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