Strain-Dependent Localization, Microscopic Deformations, and Macroscopic Normal Tensions in Model Polymer Networks

Carsten Svaneborg, Gary S. Grest, and Ralf Everaers
Phys. Rev. Lett. 93, 257801 – Published 13 December 2004

Abstract

We use molecular dynamics simulations to investigate the microscopic and macroscopic response of model polymer networks to uniaxial elongations. By studying networks with strand lengths ranging from Ns=20 to 200 we cover the full crossover from cross-link to entanglement dominated behavior. Our results support a recent version of the tube model which accounts for the different strain dependence of chain localization due to chemical cross-links and entanglements.

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  • Received 13 November 2003

DOI:https://doi.org/10.1103/PhysRevLett.93.257801

©2004 American Physical Society

Authors & Affiliations

Carsten Svaneborg1,2,*, Gary S. Grest3, and Ralf Everaers2

  • 1Max-Planck-Institut für Polymerforschung, Postfach 3148, D-55021 Mainz, Germany
  • 2Max-Planck-Institut für Physik komplexer Systeme, Nöthnitzer Str. 38, Dresden, Germany
  • 3Sandia National Laboratories, Albuquerque, New Mexico 87185, USA

  • *Electronic address: zqex@mpipks-dresden.mpg.de

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Vol. 93, Iss. 25 — 17 December 2004

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