Strain-dependent localization, microscopic deformations, and macroscopic normal tensions in model polymer networks

2); Albuquerque; Carsten Svaneborg (1; Dresden; Gary S. Grest (3); Germany (2) Max-Planck-Institut f\"ur Physik komplexer Systeme; Germany (3) Sandia National Laboratories; Mainz; Ralf Everaers (2) ((1) Max-Planck-Institut f\"ur Polymerforschung; USA)

arxiv: cond-mat/0410297 · v1 · submitted 2004-10-12 · ❄️ cond-mat.soft

Strain-dependent localization, microscopic deformations, and macroscopic normal tensions in model polymer networks

Carsten Svaneborg (1 , 2) , Gary S. Grest (3) , Ralf Everaers (2) ((1) Max-Planck-Institut f\"ur Polymerforschung , Mainz , Germany (2) Max-Planck-Institut f\"ur Physik komplexer Systeme , Dresden , Germany (3) Sandia National Laboratories

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Albuquerque USA)

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classification ❄️ cond-mat.soft

keywords modelnetworkslocalizationmacroscopicmicroscopicpolymeraccountsbehavior

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We use molecular dynamics simulations to investigate the microscopic and macroscopic response of model polymer networks to uniaxial elongations. By studying networks with strands lengths ranging from $N_s=20$ 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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Strain-dependent localization, microscopic deformations, and macroscopic normal tensions in model polymer networks

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