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Viscoelastic processes in non-ergodic states (percolation and glass transitions) of attractive micellar systems

Author

Listed:
  • Mallamace, F.
  • Broccio, M.
  • Tartaglia, P.
  • Chen, W.R.
  • Faraone, A.
  • Chen, S.H.

Abstract

We report a set of viscoelastic measurements in aqueous solutions of a copolymer micellar system with attractive interactions, a system characterized by a percolation line (PT), and a structural arrest (SA) in the particle diffusion motions of a kinetic glass transition (KGT). We observe, in both transitions, dramatic variations in both the elastic (or storage G′(ω)) and loss components (G″(ω)) of the shear moduli. At the PT, rheological data are characterized by a scaling behavior, whereas at the SA G′ and G″ develop a plateau and a marked minimum, respectively. These behaviors are described in the frame of percolation models and mode coupling theory (MCT).

Suggested Citation

  • Mallamace, F. & Broccio, M. & Tartaglia, P. & Chen, W.R. & Faraone, A. & Chen, S.H., 2003. "Viscoelastic processes in non-ergodic states (percolation and glass transitions) of attractive micellar systems," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 330(1), pages 206-217.
  • Handle: RePEc:eee:phsmap:v:330:y:2003:i:1:p:206-217
    DOI: 10.1016/j.physa.2003.08.026
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