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Dynamics and Rheology of GlassyMicellar Block Polyelectrolytes

Published online by Cambridge University Press:  10 February 2011

Julien Grandjean  and
Ahmed Mourchid
Julien Grandjean
Affiliation:
Complex Fluids Laboratory, Unité Mixte de Recherche 166 du CNRS-Rhodia, 259 Prospect Plains Rd, Cranbury, NJ 08512, USA
Ahmed Mourchid
Affiliation:
Complex Fluids Laboratory, Unité Mixte de Recherche 166 du CNRS-Rhodia, 259 Prospect Plains Rd, Cranbury, NJ 08512, USA
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Abstract

Micellar solutions of polystyrene-poly(acrylic acid) block copolymers are studied in the jammed regime. Increasing attraction between soft spheres, both the rheology and dynamic light scattering show a re-entrant liquid to glass transition. The dynamics was also investigated at an attraction strength above the re-entrant transition line. Increasing concentration of sticky soft spheres in this region, the particle dynamics shows a remarkable extended logarithmic decay. The theoretical predictions of mode coupling theory agree well with our results.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 775: Symposium P – Self-Assembled Nanostructured Materials , 2003 , P8.10
Copyright
Copyright © Materials Research Society 2003

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