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Trends in Colloid and Interface Science III pp 233–238Cite as

Small-angle neutron scattering experiments of micellar solutions under shear

  • D. Structure And Stability Of Colloids
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Part of the book series: Progress in Colloid & Polymer Science ((PROGCOLLOID,volume 79))

Abstract

Rodlike micelles formed by the surfactants N-hexadecylocytldimethylammoniumbromide (C16-C8DAB) and tetradecyltrimethylammoniumsalicylate (TTMA-Sal) were aligned by shear gradients Γ up to 2000 s−1. Small-angle neutron diffraction patterns (SANS) were recorded for different shear gradients. The quiescent solutions show a peak in the scattering intensity distribution having its origin in particle interaction. With increasing shear gradient the scattering intensity becomes very anisotropic. The scattering data are explained on the basis of alignment of rods, taking into account an effective pair correlation function. Both surfactants show evidence for the phenomenon of a shear induced phase transition. Transient SANS measurements on a time scale of 100 ms show two relaxation times for C16-C8DAB.

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Author information

Authors and Affiliations

  1. Lehrstuhl für Experimentalphysik I, Universität Bayreuth, Postfach 10 12 51, D-8580, Bayreuth, F.R.G

    J. Kalus

  2. Lehrstuhl für Physikalische Chemie I der Universität Bayreuth, Bayreuth, F.R.G.

    H. Hoffmann

  3. Institut Laue-Langevin, Grenoble, France

    P. Lindner

Authors
  1. J. Kalus
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  2. H. Hoffmann
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  3. P. Lindner
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Editor information

P. Bothorel E. J. Dufourc

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© 1989 Dr. Dietrich Steinkopff Verlag GmbH & Co. KG

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Kalus, J., Hoffmann, H., Lindner, P. (1989). Small-angle neutron scattering experiments of micellar solutions under shear. In: Bothorel, P., Dufourc, E.J. (eds) Trends in Colloid and Interface Science III. Progress in Colloid & Polymer Science, vol 79. Steinkopff. https://doi.org/10.1007/BFb0116214

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  • DOI: https://doi.org/10.1007/BFb0116214

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  • Publisher Name: Steinkopff

  • Print ISBN: 978-3-7985-0831-6

  • Online ISBN: 978-3-7985-1690-8

  • eBook Packages: Springer Book Archive

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