Surface and bulk interchange energy in binary mixtures of chain molecules

  • E. Sloutskin
  • , E. B. Sirota
  • , O. Gang
  • , X. Z. Wu
  • , B. M. Ocko
  • , M. Deutsch

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

The interchange (interaction) parameter, controlling the phase behaviour of a binary mixture, is determined for the bulk and the surface of binary mixtures of different types of chain molecules, using surface tensiometry and a mean-field theory. For all mixtures and concentrations studied an identical behaviour is observed at the surface, depending only on the square of the reduced chain length mismatch Δ n n̄ , where Δ n and n̄ are the difference in and average of the number of carbons of the two components.

Original languageEnglish
Pages (from-to)109-112
Number of pages4
JournalEuropean Physical Journal E
Volume13
Issue number2
DOIs
StatePublished - Feb 2004

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