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Local hydration effects in reversed micellar aggregates

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Trends in Colloid and Interface Science VI

Part of the book series: Progress in Colloid & Polymer Science ((PROGCOLLOID,volume 89))

Abstract

FT-IR spectra in the hydroxyl region in reversed micelles where the sodium counterions of the surfactant Aerosol-OT have been replaced by Ca2+ and Zn2+ ions are presented. The IR spectra, taken as a function of the molar ratio R = [H2O]/[surfactant], are analzyed in the framework of a twostate model for the water molecules in which the O-H vibration can be split into two contributions: one originated by the water “tightly-bonded” to the surfactant ions, and the other induced by the “bulk” water of the micellar water pool. We also evaluate the percentage a(R) of the bond water in the micellar growth process. Furthermore, an explanation of the O-H stretching band features is suggested by comparison between our spectra and those simulated through an MD “experiment”.

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Authors and Affiliations

  1. Istituto die Tecniche Spettroscopiche del C.N.R.-Messina, Italy

    F. Aliotta, P. Migliardo, D. I. Donato, V. Turco-Liveri, E. Bardez & B. Larrey

  2. Dipartimento di Fisica and INFM, Universitá-Messina, Italy

    P. Migliardo

  3. Dipartimento di Chimica-Fisica, Universitá-Palermo, Italy

    D. I. Donato & V. Turco-Liveri

  4. Laboratoire de Chemie Generale (CNRSURA 1103) Conservatoire National des Arts et Metiers, Paris, France

    E. Bardez & B. Larrey

Authors
  1. F. Aliotta
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  2. P. Migliardo
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  3. D. I. Donato
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  4. V. Turco-Liveri
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  5. E. Bardez
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  6. B. Larrey
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Editor information

C. Helm M. Lösche H. Möhwald

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© 1992 Dr. Dietrich Steinkopff Verlag GmbH & Co. KG

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Aliotta, F., Migliardo, P., Donato, D.I., Turco-Liveri, V., Bardez, E., Larrey, B. (1992). Local hydration effects in reversed micellar aggregates. In: Helm, C., Lösche, M., Möhwald, H. (eds) Trends in Colloid and Interface Science VI. Progress in Colloid & Polymer Science, vol 89. Steinkopff. https://doi.org/10.1007/BFb0116324

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  • DOI: https://doi.org/10.1007/BFb0116324

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  • Publisher Name: Steinkopff

  • Print ISBN: 978-3-7985-0913-9

  • Online ISBN: 978-3-7985-1680-9

  • eBook Packages: Springer Book Archive

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