Tube Theory for Entangled Linear Polymers: Influence of Different Molecular Mechanisms in Non‐Linear Flows

Dhole, Sunil;Leygue, Adrien;Bailly, Christian;Keunings, Roland
(2008) THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting — Location: Monterey (USA) (3.August.2008)

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  • Dhole, SunilUCLouvain
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  • Leygue, AdrienUCLouvain
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  • Bailly, Christianorcid-logoUCLouvain
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  • Keunings, RolandUCLouvain
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Abstract
In the present work, we present a new “single segment” differential constitutive tube model describing the non‐linear behaviour of moderately entangled monodisperse linear polymers. The model accounts for reptation, stretch dynamics, convective constraint release, finite extensibility, and an interchain tube pressure effect (ITPE). This simple model has the advantage of illustrating the new physical assumptions more explicitly. It also predicts quantitative features typically shown by elongational data in the non‐linear range.
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Dhole, S., Leygue, A., Bailly, C., & Keunings, R. (2008). Tube Theory for Entangled Linear Polymers: Influence of Different Molecular Mechanisms in Non‐Linear Flows. A I P Conference Proceedings, 1027, 336-338. https://doi.org/10.1063/1.2964682 (Original work published 2008)