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|Title:||Assessment of the Tumbling-Snake Model against linear and nonlinear rheological data of bidisperse polymer blends||Authors:||Stephanou, Pavlos
|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.||URI:||https://ktisis.cut.ac.cy/handle/10488/15784||ISSN:||20734360||DOI:||10.3390/POLYM11020376||Rights:||© 2019 by the authors.||Type:||Article|
|Appears in Collections:||Άρθρα/Articles|
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