Multiphase Coexistences in Rod-Polymer Mixtures.

Vincent F D Peters, Álvaro González García, Henricus H Wensink, Mark Vis, Remco Tuinier

Abstract read

In one paragraph

Article in Langmuir : the ACS journal of surfaces and colloids, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Vincent F D PetersLaboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.ORCID https://orcid.org/0000-0002-9722-1461

Álvaro González GarcíaSustainable Polymer Chemistry Group, Department of Molecules & Materials, MESA + Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands.

Henricus H WensinkLaboratoire de Physique des Solides - UMR 8502, CNRS & Université Paris-Saclay, 91400 Orsay, France.ORCID https://orcid.org/0000-0001-6284-7168

Mark VisLaboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.ORCID https://orcid.org/0000-0002-2992-1175

Remco TuinierLaboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.ORCID https://orcid.org/0000-0002-4096-7107

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Using recently derived analytical equations of state for hard rod dispersions, we predict the phase behavior of athermal rod-polymer mixtures with free volume theory. The rods are modeled as hard spherocylinders, while the nonadsorbing polymer chains are described as penetrable hard spheres. It is demonstrated that all of the different types of phase states that are stable for pure colloidal rod dispersions can coexist with any combination of these phases if polymers are added, depending on the concentrations, rod aspect ratio, and polymer-rod size ratio. This includes novel two-, three-, and four-phase coexistences and isostructural coexistences between dilute and concentrated phases of the same kind, even for the more ordered (liquid) crystal phases. This work provides insight into the conditions at which particular multiphase coexistences are expected for well-defined model colloidal rod-polymer mixtures. We provide a quantitative map detailing the various types of isostructural coexistences, which confirms an early qualitative hypothesis by Bolhuis et al. (

Identifiers

PMID34553593

DOI10.1021/acs.langmuir.1c01896

PMCPMC8495896

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.