Entropy driven phase transitions in colloid-polymer suspensions: Tests of depletion theories

S. Ramakrishnan, M. Fuchs, K. S. Schweizer, C. F. Zukoski

Research output: Contribution to journalArticlepeer-review

Abstract

The phase behavior of a model athermal polymer-colloid suspension over a wide range of size asymmetry, colloid volume fraction, and polymer concentration was experimentally studied. The primary equilibrium finding is that based on cp/cp* as a dimensionless measure of polymer-induced depletion attractions, the suspension miscibility monotonically improves as the size asymmetry ratio Rg/R increases.

Original languageEnglish (US)
Pages (from-to)2201-2212
Number of pages12
JournalJournal of Chemical Physics
Volume116
Issue number5
DOIs
StatePublished - Feb 1 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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