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Title: Assessment of the Tumbling-Snake Model against linear and nonlinear rheological data of bidisperse polymer blends
Authors: Stephanou, Pavlos 
Kröger, Martin 
Keywords: Stochastic differential equation;Polymer melt;Link tension coefficient;Entanglements;Bidisperse systems
Category: Earth and Related Environmental Sciences
Field: Natural Sciences
Issue Date: 1-Jan-2019
Source: Polymers, Volume 11, Issue 2, 2019, Article number 376
Journal: Polymers 
Abstract: We have recently solved the tumbling-snake model for concentrated polymer solutions and entangled melts in the academic case of a monodisperse sample. Here, we extend these studies and provide the stationary solutions of the tumbling-snake model both analytically, for small shear rates, and via Brownian dynamics simulations, for a bidisperse sample over a wide range of shear rates and model parameters. We further show that the tumbling-snake model bears the necessary capacity to compare well with available linear and non-linear rheological data for bidisperse systems. This capacity is added to the already documented ability of the model to accurately predict the shear rheology of monodisperse systems.
ISSN: 20734360
DOI: 10.3390/POLYM11020376
Rights: © 2019 by the authors.
Type: Article
Appears in Collections:Άρθρα/Articles

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