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Optical Methods and Physics of Colloidal Dispersions pp 155–156Cite as

Droplet microemulsions: Determination of the bending elastic constants by photon correlation spectroscopy

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Part of the book series: Progress in Colloid & Polymer Science ((PROGCOLLOID,volume 104))

Abstract

The bending elasticity of a surfactant film at the interface oil-water in a microemulsion system can be described by the spontaneous curvature and two elastic constants k and ¯k In this study we derive the sum 2k + k for the system n-octane/ C10E5/water from the polydispersity of the relaxation rate distribution found by a CONTIN analysis of the intensity correlation functions. A value of 1.2/kT is found.

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Authors and Affiliations

  1. Centre de Recherche Paul Pascal, CNRS, Av. du Docteur Schweitzer, 33600, Pessac, France

    Dr. T. Hellweg & D. Langevin

Authors
  1. Dr. T. Hellweg
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  2. D. Langevin
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Editor information

T. Palberg M. Ballauff

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© 1997 Steinkopff Verlag

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Hellweg, T., Langevin, D. (1997). Droplet microemulsions: Determination of the bending elastic constants by photon correlation spectroscopy. In: Palberg, T., Ballauff, M. (eds) Optical Methods and Physics of Colloidal Dispersions. Progress in Colloid & Polymer Science, vol 104. Steinkopff. https://doi.org/10.1007/BFb0110766

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  • DOI: https://doi.org/10.1007/BFb0110766

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  • Publisher Name: Steinkopff

  • Print ISBN: 978-3-7985-1085-2

  • Online ISBN: 978-3-7985-1661-8

  • eBook Packages: Springer Book Archive

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