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Gels pp 4-8 | Cite as

Relaxation properties of polymer gels and concept of physical networks

  • V. I. Irzhak
  • S. E. Varyukhin
  • T. F. Irzhak
Conference paper
Part of the Progress in Colloid & Polymer Science book series (PROGCOLLOID, volume 102)

Abstract

Relaxation properties of linear and network polymers are analyzed on the basis of physical networks.

Two approaches are proposed: a) taking into account the equilibrium concentration of physical crosslinks; b) taking into account the concentration of nonequilibrium physical crosslinks reflecting the nonequilibrium chain conformation and kinetics of their transformation to equilibrium ones. The modulus changing with time and/or temperature is shown to connect with integral function of molar mass distribution of polymer chains.

Key words

Physical networks relaxation thermomechanics 

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Copyright information

© Dr. Dietrich Steinkopff Verlag GmbH & Co. KG 1996

Authors and Affiliations

  • V. I. Irzhak
    • 1
  • S. E. Varyukhin
    • 1
  • T. F. Irzhak
    • 1
  1. 1.Department of Polymer and Composite Materials Institute of Chemical Physics in ChernogolovkaRussian Academy of SciencesChernogolovkaRussia

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