Issue 42, 2013
From the journal:

Soft Matter

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

Kitty van Gruijthuijsen,†a   Remco Tuinier,*bc   Joseph M. Braderd  and  Anna Stradnere  

* Corresponding authors

a Adolphe Merkle Institute, University of Fribourg, Route de l'ancienne Papeterie 1, Marly, Switzerland
Fax: +41 26 300 9642
Tel: +41 79 243 1753

b Van 't Hoff Laboratory for Physical and Colloid Chemistry, Debye Institute, Utrecht University, Utrecht, The Netherlands
E-mail: R.Tuinier@uu.nl
Fax: +31 30 253 3870
Tel: +31 30 253 3406

c DSM ChemTech Center, Advanced Chemical Engineering Solutions (ACES), P.O. Box 18, 6160 MD Geleen, The Netherlands

d Soft Matter Theory, University of Fribourg, Chemin du Musée 3, Fribourg, Switzerland
E-mail: Joseph.Brader@unifr.ch
Fax: +41 26 300 9758
Tel: +41 26 300 8914

e Physical Chemistry, Lund University, Getingevägen 60, Lund, Sweden
E-mail: Anna.Stradner@fkem1.lu.se
Fax: +46 46 222 4413
Tel: +46 46 222 8214

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.

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

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Article information

DOI
https://doi.org/10.1039/C3SM51432C
Article type
Communication
Submitted
22 May 2013
Accepted
05 Aug 2013
First published
07 Aug 2013

Soft Matter, 2013,9, 9977-9982

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

K. van Gruijthuijsen, R. Tuinier, J. M. Brader and A. Stradner, Soft Matter, 2013, 9, 9977 DOI: 10.1039/C3SM51432C

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