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    Controlled spreading of thermo-responsive droplets

    Year: 2014

    Journal: SOFT MATTER, Vol. 10, p 808-812, 20150722

    Authors: Jalaal, Maziyar; Stoeber, Boris

    Organizations: Univ British Columbia, Dept Mech Engn, Vancouver, BC V6T 1Z4, Canada; Univ British Columbia, Dept Mech Engn, Dept Elect & Comp Engn, Vancouver, BC V6T 1Z4, Canada

    A novel methodology for controlling the spreading of droplets impacting a substrate is presented. The working fluid is a thermo-responsive polymer solution that undergoes a sol-gel transition above a specific temperature. It is shown that the maximum diameter of a droplet at equilibrium can be controlled through the substrate temperature of the substrate and the polymer concentration.