Opening the Pandora's box to find elastic breakup as the origin of various nonlinear flow behavior of entangled polymers

Shi Qing Wang, P. Boukany, S. Ravindranath, Y. Wang

Research output: Contribution to conferencePaperpeer-review

Abstract

Chain entanglement is an essential concept in polymer science. It has been explored for six decades since the 1946 transient network theory of Green and Tobolsky. Another three decades after the 1971 de Gennes' reptation idea have passed before a method has been devised in computer simulation to depict chain entanglement [1]. More recently, the time-resolved determination of velocity profiles during and after shear of entangled polymers [2] have led to a specific molecular mechanism for chain disentanglement [3]. This work describes the latest understanding on the subject of polymer flow.

Original languageEnglish
Pages2639-2641
Number of pages3
StatePublished - 2007
Externally publishedYes
EventSociety of Plastics Engineers Annual Technical Conference: Plastics Encounter at ANTEC 2007 - Cincinnati, OH, United States
Duration: May 6 2007May 11 2007

Conference

ConferenceSociety of Plastics Engineers Annual Technical Conference: Plastics Encounter at ANTEC 2007
Country/TerritoryUnited States
CityCincinnati, OH
Period05/6/0705/11/07

Keywords

  • Chain disentanglement transition
  • Elastic breakup mechanism
  • Nonlinear polymer rheology
  • Particle tracking velocimetry

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