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A hierarchical multi-mode MSF model for long-chain branched polymer melts part I: elongational flow

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Abstract

A novel hierarchical multi-mode molecular stress function (HMMSF) model for long-chain branched (LCB) polymer melts is proposed, which implements the basic ideas of (i) the pom-pom model, (ii) hierarchal relaxation, (iii) dynamic dilution and (iv) interchain pressure. Here, the capability of this approach is demonstrated in modelling uniaxial extensional viscosity data of numerous broadly distributed long-chain branched polymer melts with only a single non-linear parameter, the dilution modulus.

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Authors and Affiliations

  1. Polymer Engineering/Polymer Physics, Berlin Institute of Technology (TU Berlin), Fasanenstrasse 90, 10623, Berlin, Germany

    Esmaeil Narimissa, Víctor H. Rolón-Garrido & Manfred H. Wagner

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  1. Esmaeil Narimissa
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  2. Víctor H. Rolón-Garrido
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  3. Manfred H. Wagner
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Correspondence to Manfred H. Wagner.

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Víctor H. Rolón-Garrido passed away on June 8, 2015.

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Narimissa, E., Rolón-Garrido, V.H. & Wagner, M.H. A hierarchical multi-mode MSF model for long-chain branched polymer melts part I: elongational flow. Rheol Acta 54, 779–791 (2015). https://doi.org/10.1007/s00397-015-0879-2

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  • DOI: https://doi.org/10.1007/s00397-015-0879-2

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