| Issue |
Europhys. Lett.
Volume 58, Number 2, April 2002
|
|
|---|---|---|
| Page(s) | 236 - 242 | |
| Section | Condensed matter: structure, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i2002-00628-6 | |
| Published online | 01 August 2002 | |
High-frequency rheological behaviour of a multiconnected lyotropic phase
École Normale Supérieure de Lyon, Laboratoire de Physique
46 Allée d'Italie, 69364 Lyon Cedex 07, France
Corresponding author: dcconsta@ens-lyon.fr
Received:
18
October
2001
Accepted:
29
January
2002
High-frequency (up to 
) rheological
measurements combined with light-scattering investigations show that
an isotropic and multiconnected phase of surfactant micelles exhibits
a terminal relaxation time of a few 
, much smaller than in
solutions of entangled wormlike micelles. This result is explained in
terms of the local hexagonal order of the microscopic structure and we
discuss its relevance for the understanding of dynamic behaviour in
related systems, such as wormlike micelles and sponge phases.
PACS: 61.30.St – Lyotropic phases / 82.70.Uv – Surfactants, micellar solutions, vesicles, lamellae, amphiphilic systems (hydrophilic and hydrophobic interactions) / 83.80.Qr – Surfactant and micellar systems, associated polymers
© EDP Sciences, 2002
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