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Issue 3, 2011
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A stable flow-induced structured phase in wormlike micellar solutions

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Abstract

A stable flow-induced transition of a wormlike micellar solution to a structured solution phase is studied. This transition occurs when the solution is flowed through a specially designed microfluidic device. Rheological properties of the structured phase are presented along with a simple model for structure formation. We model the solution and structure formation using a network scission model that contains two species of interacting, elastically-active micellar chains. The model permits transition to the structured state when the chains experience a high degree of elongation primarily due to extensional strains that are present in the microchannel flow but absent in conventional shear flows.

Graphical abstract: A stable flow-induced structured phase in wormlike micellar solutions

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Article information


Submitted
02 Sep 2010
Accepted
26 Nov 2010
First published
16 Dec 2010

Soft Matter, 2011,7, 876-879
Article type
Communication

A stable flow-induced structured phase in wormlike micellar solutions

N. Dubash, J. Cardiel, P. Cheung and A. Q. Shen, Soft Matter, 2011, 7, 876
DOI: 10.1039/C0SM00920B

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