Fast Dynamics of Wormlike Micellar Solutions

Florian Nettesheim* and Norman J. Wagner
Department of Chemical Engineering, University of Delaware, Newark, 150 Academy, Newark, Delaware 19716
Langmuir, 2007, 23 (10), pp 5267–5269
DOI: 10.1021/la0635855
Publication Date (Web): April 3, 2007
Copyright © 2007 American Chemical Society
*

 To whom correspondence should be addressed. E-mail:  florian@udel.edu. Homepage:  http://www.che.udel.edu/wagner.

Abstract

Abstract Image

We present the first measurements of the fast dynamics of cationic wormlike micelles (WLM) using neutron spin echo (NSE). The comparison with theory [Zilman, A.; Granek, R. Phys. Rev. Lett. 1996, 77, 4788. Granek, R. J. Phys. II 1997, 7, 1761]1,2 enables coarse grained parameters to be identified. We propose and validate a calibration procedure to extract the bending constant κ from NSE measurements.

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History

  • Published In Issue May 08, 2007
  • Received December 11, 2006
    Revised February 14, 2007

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