Effect of hydrodynamic interactions on the evolution of chemically reactive ternary mixtures

The Journal of Chemical Physics
Kevin GoodAnna C Balazs

Abstract

We investigate the structural evolution of an A/B/C ternary mixture in which the A and B components can undergo a reversible chemical reaction to form C. We developed a lattice Boltzmann model for this ternary mixture that allows us to capture both the reaction kinetics and the hydrodynamic interactions within the system. We use this model to study a specific reactive mixture in which C acts as a surfactant, i.e., the formation of C at the A/B interface decreases the interfacial tension between the A and B domains. We found that the dynamics of the system is different for fluids in the diffusive and viscous regimes. In the diffusive regime, the formation of a layer of C at the interface leads to a freezing of the structural evolution in the fluid; the values of the reaction rate constants determine the characteristic domain size in the system. In the viscous regime, where hydrodynamic interactions are important, interfacial reactions cause a slowing down of the domain growth, but do not arrest the evolution of the mixture. The results provide guidelines for controlling the morphology of this complex ternary fluid.

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Citations

Jun 13, 2013·Trends in Biotechnology·Zachary Grant MillsAlexander Alexeev
Oct 25, 2006·Annual Review of Physical Chemistry·Anna C Balazs
Aug 8, 2015·PLoS Computational Biology·Patrícia Santos-OliveiraRui D M Travasso
Aug 11, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Gavin A BuxtonAnna C Balazs
Aug 7, 2007·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Olga Kuksenok, Anna C Balazs
Nov 13, 2008·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·K FurtadoJ M Yeomans
Aug 11, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Gavin A Buxton, Nigel Clarke
Aug 16, 2006·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Olga KuksenokAnna C Balazs
Dec 6, 2018·Entropy·Andrea Lamorgese, Roberto Mauri
Sep 28, 2010·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Kalli Furtado, Roar Skartlien
Jan 29, 2008·Langmuir : the ACS Journal of Surfaces and Colloids·Olga Kuksenok, Anna C Balazs
Nov 16, 2005·Langmuir : the ACS Journal of Surfaces and Colloids·Rui D M TravassoAnna C Balazs
Mar 8, 2006·Langmuir : the ACS Journal of Surfaces and Colloids·Rui D M TravassoAnna C Balazs

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