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Co-axial capillaries microfluidic device for synthesizing size- and morphology-controlled polymer core-polymer shell particles

Abstract : An easy assembling-disassembling co-axial capillaries microfluidic device was built up for the production of double droplets. Uniform polymer core-polymer shell particles were synthesized by polymerizing the two immiscible monomer phases composing the double droplet. Thus poly(acrylamide) core-poly(tri(propylene glycol) diacrylate) shell particles with controlled core diameter and shell thickness were simply obtained by adjusting operating parameters. An empirical law was extracted from experiments to predict core and shell sizes. Additionally uniform and predictable non-spherical polymer objects were also prepared without adding shape-formation procedures in the experimental device. An empirical equation for describing the lengths of rod-like polymer particles is also presented.
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https://hal.archives-ouvertes.fr/hal-00945134
Contributor : Dominique Richard <>
Submitted on : Tuesday, February 11, 2014 - 4:53:07 PM
Last modification on : Tuesday, May 12, 2020 - 11:04:04 AM

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Zhenqi Chang, Christophe Serra, Michel Bouquey, Laurent Prat, Georges Hadziioannou. Co-axial capillaries microfluidic device for synthesizing size- and morphology-controlled polymer core-polymer shell particles. Lab on a Chip, Royal Society of Chemistry, 2009, 9 (20), pp.3007-3011. ⟨10.1039/b913703c⟩. ⟨hal-00945134⟩

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