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Effect of a Constant Drift in the Reptation Dynamics of Entangled Polymers

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Proceedings of the Iberian Meeting on Rheology (IBEREO 2019) (IBEREO 2019)

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Abstract

In this work, we explore a modified reptation theory for entangled polymers which includes an additional relaxation mechanism that allows the chain to escape the tube: a constant drift velocity along the primitive path. It is shown that, if the drift is sufficiently small, the Gaussian hypothesis of the tube theory is respected and, if it is larger than a molecular weight-dependent threshold, it can dominate the dynamics at long times, yielding interesting new behaviour.

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Acknowledgements

ART and JR acknowledge funding from grant PEJ-2017-AI/IND-6767 of the Regional Government of Madrid and project UPM RP 160543006 from Universidad Politécnica de Madrid.

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Authors and Affiliations

  1. Department of Chemical Engineering, Universidad Politécnica de Madrid, Madrid, Spain

    Andrés R. Tejedor & Jorge Ramírez

Authors
  1. Andrés R. Tejedor
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  2. Jorge Ramírez
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Corresponding author

Correspondence to Jorge Ramírez .

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Editors and Affiliations

  1. Department of Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal

    Francisco José Galindo-Rosales

  2. Department of Mechanical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal

    Laura Campo-Deaño

  3. Department of Mechanical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal

    Alexandre M. Afonso

  4. Department of Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal

    Manuel A. Alves

  5. Department of Mechanical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal

    Fernando T. Pinho

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Tejedor, A.R., Ramírez, J. (2020). Effect of a Constant Drift in the Reptation Dynamics of Entangled Polymers. In: Galindo-Rosales, F., Campo-Deaño, L., Afonso, A., Alves, M., Pinho, F. (eds) Proceedings of the Iberian Meeting on Rheology (IBEREO 2019). IBEREO 2019. Springer Proceedings in Materials. Springer, Cham. https://doi.org/10.1007/978-3-030-27701-7_33

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  • DOI: https://doi.org/10.1007/978-3-030-27701-7_33

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-27700-0

  • Online ISBN: 978-3-030-27701-7

  • eBook Packages: EngineeringEngineering (R0)

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