Quantitative comparison of primitive chain network simulations with literature data of linear viscoelasticity for polymer melts (Articolo in rivista)

Type
Label
  • Quantitative comparison of primitive chain network simulations with literature data of linear viscoelasticity for polymer melts (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Masubuchi Y., Ianniruberto G., Greco F., Marrucci G (2008)
    Quantitative comparison of primitive chain network simulations with literature data of linear viscoelasticity for polymer melts
    in Journal of non-Newtonian fluid mechanics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Masubuchi Y., Ianniruberto G., Greco F., Marrucci G (literal)
Pagina inizio
  • 87 (literal)
Pagina fine
  • 92 (literal)
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  • 149 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan Japan Science and Technology, Tokyo 184-8588, Japan Dipartimento di Ingegneria Chimica, Universit`a Degli Studi di Napoli \"Federico II\", Piazzale Tecchio 80-80125, Napoli, Italy Istituto per i Materiali Compositi e Biomedici, CNR, Piazzale Tecchio 80-80125, Napoli, Italy (literal)
Titolo
  • Quantitative comparison of primitive chain network simulations with literature data of linear viscoelasticity for polymer melts (literal)
Abstract
  • The primitive chain network model of entangled polymers, where primitive chains and entanglements are assigned in real 3-D space, is a possible step in the multi-scale path from atomistic simulations to macroscopic constitutive equations. In any coarse-grained model of a polymeric system, however, determination of the basic parameters is a crucial step. By fitting the linear viscoelastic response of several melts of monodisperse linear polymers taken from the literature, we here determine the corresponding basic parameters of the primitive chain network model. We concentrate in particular on the value of the mean molar mass between entanglements, and on how such a mass is related to plateau modulus from our simulations. We consistently find values that fall around 60% of the entanglement molecular weight as obtained from Ferry's definition, and we envisage that such a result is due to Brownian fluctuations of the entanglement nodes. (literal)
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