Incorporating Constraint Release events in a pom-pom melt

Hawke, Laurence George Demosthenis;Read, Daniel John
(2010) 8th Hellenic Society Symposium on Polymer Science & Technology — Location: Heraklion, Crete, Greece

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Authors
  • Hawke, Laurence George DemosthenisUCLouvain
    Author
  • Read, Daniel JohnUniversity of Leeds
    Author
Abstract
(en) This research work focuses on the microscopic description of constraint release (CR) events in melts of branched polymers. In this respect, it models CR events by means of Rouse-like hops. Two cases are examined: (i) CR events mediated by the release of backbone-backbone entanglements, and (CR) events mediated by the rlease of backbone-arm entanglements. The derived model predicts strain hardening (thinning) at extension (shear) during start-up of the flow. The maximum stretch, however, becomes dependent on flow-rate.
Affiliations
  • Department of Applied MathematicsUniversity of Leeds

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Hawke, L. G. D., & Read, D. J. (2010). Incorporating Constraint Release events in a pom-pom melt. 8th Hellenic Society Symposium on Polymer Science & Technology, Heraklion, Crete, Greece. https://hdl.handle.net/2078.5/180855