Volume 58, Number 2, April 2002
|Page(s)||236 - 242|
|Section||Condensed matter: structure, mechanical and thermal properties|
|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: firstname.lastname@example.org
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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