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Shape transitions in aqueous micellar systems as a function of pressure and temperature

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Book cover Surfactants, Adsorption, Surface Spectroscopy and Disperse Systems

Part of the book series: Progress in Colloid & Polymer Science ((PROGCOLLOID,volume 70))

Abstract

Viscosity, conductivity, and ultrasound velocity measurements have been used to study shape transitions of micelles. Sodium dodecylsulfate, dodecylammonium chloride, and dodecyltrimethyl-ammonium bromide all exhibit such transitions for 0.3 m aqueous solutions in the presence of 1-alcohols. The transition point is dependent upon the temperature and pressure, and on the alcohol chain length. The alcohols from hexanol upwards promote transitions to larger aggregates, the higher alcohols being the most efficient. At higher temperatures more alcohol must be added to induce shape transition. The same applies as the pressure is increased, but the effect of pressure is less pronounced.

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Author information

Authors and Affiliations

  1. Department of Chemistry, University of Bergen, N-5014, Bergen-U, Norway

    E. Ljosland, A. M. Blokhus, K. Veggeland & H. Høiland

  2. Department of Physical Chemistry, Åbo Akademi, SF-20500, Åbo, Finland

    S. Backlund

Authors
  1. E. Ljosland
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  2. A. M. Blokhus
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  3. K. Veggeland
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  4. S. Backlund
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  5. H. Høiland
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Editor information

B Lindman G. Olofsson P. Stenius

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© 1985 Dr. Dietrich Steinkopff Verlag GmbH & Co. KG

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Ljosland, E., Blokhus, A.M., Veggeland, K., Backlund, S., Høiland, H. (1985). Shape transitions in aqueous micellar systems as a function of pressure and temperature. In: Lindman, B., Olofsson, G., Stenius, P. (eds) Surfactants, Adsorption, Surface Spectroscopy and Disperse Systems. Progress in Colloid & Polymer Science, vol 70. Steinkopff. https://doi.org/10.1007/BFb0114303

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  • DOI: https://doi.org/10.1007/BFb0114303

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  • Publisher Name: Steinkopff

  • Print ISBN: 978-3-7985-0667-1

  • Online ISBN: 978-3-7985-1699-1

  • eBook Packages: Springer Book Archive

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