Issue |
Europhys. Lett.
Volume 65, Number 5, March 2004
|
|
---|---|---|
Page(s) | 712 - 718 | |
Section | Interdisciplinary physics and related areas of science and technology | |
DOI | https://doi.org/10.1209/epl/i2003-10172-5 | |
Published online | 01 February 2004 |
Re-entrant glass transition and logarithmic decay in a jammed micellar system. Rheology and dynamics investigation
Complex Fluids Laboratory, Unité Mixte de Recherche 166 du CNRS-Rhodia 259 Prospect Plains Rd, Cranbury, NJ 08512, USA
Received:
5
June
2003
Accepted:
18
December
2003
Rheology and dynamics of micellar solutions of polystyrene-poly(acrylic acid) block copolymers are investigated in the jammed regime. With increasing attraction between soft spheres, both techniques capture the re-entrant liquid-to-glass transition. The dynamics was also investigated at an attraction strength above the re-entrant transition branch. With increasing concentration of sticky soft spheres in this region, the particle dynamics shows a remarkable extended logarithmic decay. All the theoretical predictions of mode coupling theory can be found in our system.
PACS: 82.70.Dd – Colloids / 61.25.Hq – Macromolecular and polymer solutions; polymer melts; swelling / 64.70.Pf – Glass transitions
© EDP Sciences, 2004
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