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Equilibrium stress-strain properties and topological constraint release effects in end-linked model networks

  • G. Heinrich
  • A. Havránek
  • M. Ilavský
  • K. Dušek
Conference paper
Part of the Progress in Colloid & Polymer Science book series (PROGCOLLOID, volume 78)

Abstract

The interpretation of the equilibrium mechanical properties of polyurethane model networks in the large elongation region has been performed within a theory of tube-like topological constraints. This theory describes the small-strain properties as well as the large-strain properties of the networks in terms of the number of elastically active network chains (EANCs) and structural features contained in the structural parameters T e (trapping factor) and w s (sol content).

Key words

Model networks topological constraints network defects network theory stress-strain measurements 

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Copyright information

© Dr. Dietrich Steinkopff Verlag GmbH & Co. KG 1998

Authors and Affiliations

  • G. Heinrich
    • 3
  • A. Havránek
    • 1
  • M. Ilavský
    • 2
  • K. Dušek
    • 2
  1. 1.Faculty of Mathematics and PhysicsCharles UniversityPragueCzechoslovakia
  2. 2.Institute of Macromolecular ChemistryCzechoslovakian Academy of SciencesPragueCzechoslovakia
  3. 3.Technische Hochschule „Carl Schorlemmer“ Leuna-Merseburg Sektion PhysikMerseburgG.D.R.

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