Parameter-free theory for stress relaxation in star polymer melts

S. T. Milner, T. C.B. McLeish

Research output: Contribution to journalArticlepeer-review

344 Scopus citations

Abstract

We present a theory of stress relaxation in star polymer melts with no adjustable parameters beyond those measurable in linear melts. We incorporate the effect of higher Rouse modes on star arm retraction and the Colby-Rubinstein scaling of entanglement length within "dynamic dilution". Our results for G″(ω) compare well with experimental data, with excellent agreement in shape and within a factor of 2 in time and modulus scales.

Original languageEnglish (US)
Pages (from-to)2159-2166
Number of pages8
JournalMacromolecules
Volume30
Issue number7
DOIs
StatePublished - Apr 7 1997

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

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