A hierarchical multi-mode MSF model for long-chain branched polymer melts part III: shear flows

Esmaeil Narimissa*, Manfred H. Wagner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

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, (iv) interchain pressure and (v) convective constraint release relaxation mechanism. Here, the capability of this approach is demonstrated in modelling the steady shear data of a broadly distributed long-chain branched polymer melt with only two non-linear parameters, a dilution modulus and a convective constraint release (CCR) parameter.

Original languageEnglish
Pages (from-to)633-639
Number of pages7
JournalRheologica Acta
Volume55
Issue number8
DOIs
StatePublished - 1 Aug 2016
Externally publishedYes

Keywords

  • Convective Constraint Release
  • Hierarchical multi-mode MSF model
  • Molecular stress function theory
  • Polymer melt
  • Shear flow

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