Dynamic dilution, constraint-release, and star - Linear blends

S. T. Milner, T. C.B. McLeish, R. N. Young, A. Hakiki, J. M. Johnson

Research output: Contribution to journalArticle

121 Scopus citations

Abstract

The dynamic dilution theory of stress relaxation, quantitative for star polymer melts, cannot be directly applied to star-linear blends. The linear chains on their reptation time scale τd release constraints on the star arms, resulting in constraint-release Rouse motion for the star arms not described by dynamic dilution. We present a microscopic theory without adjustable parameters for stress relaxation in such blends, which is in excellent agreement with dynamic rheology data for the full range of blend fractions.

Original languageEnglish (US)
Pages (from-to)9345-9353
Number of pages9
JournalMacromolecules
Volume31
Issue number26
DOIs
StatePublished - Dec 29 1998

All Science Journal Classification (ASJC) codes

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

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    Milner, S. T., McLeish, T. C. B., Young, R. N., Hakiki, A., & Johnson, J. M. (1998). Dynamic dilution, constraint-release, and star - Linear blends. Macromolecules, 31(26), 9345-9353. https://doi.org/10.1021/ma980481v