Phase behaviour of colloids with short-range repulsions plus nonadsorbing polymer chains

K. van Gruijthuijsen, R. Tuinier, J.M. Brader, A. Stradner

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)

Abstract

The colloidal gas-liquid phase behaviour has been studied for aqueous mixtures of well-defined spherical particles with short-ranged repulsions mixed with relatively monodisperse poly(ethylene oxide) polymers. We show that our set of experimental phase diagrams are in quantitative agreement with theoretical predictions using generalized free volume theory [G. J. Fleer and R. Tuinier, Phys. Rev. E, 2007, 76, 041802]. The determination of the equilibrium composition of coexisting phases reveals qualitative deviations between the two, for which we propose a tentative explanation.

Original languageEnglish
Pages (from-to)9977-9982
Number of pages6
JournalSoft Matter
Volume9
Issue number42
DOIs
Publication statusPublished - 14 Nov 2013
Externally publishedYes

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