Abstract

This work represents a process of fabrication of smart materials in a microfluidic confinement. Compared with macroscopic solutions, microfluidic convection-diffusion conditions create multiple additional factors that affect complexation in reacting polymer and surfactant flows. The system of convection-diffusion-reaction equations was solved to develop a polyelectrolyte-surfactant interaction model in a microchannel with laminar flows of reactants; phase formation and precipitation conditions in a microchannel were considered. The recommendations for control of phase behaviour in a microchannel were proposed by the design and operation mode of microfluidic devices used for synthesis of polymer-surfactant complexes and characterization of polymer-surfactant association process.

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