Abstract
Polymer nanoparticles have received much attention because of their wide range of applications such as inks, cosmetics and so on. In this work, we have successfully synthesized size-controlled polymer nanoparticles by using the acoustic emulsification method. This synthetic method involves sequential ultrasonic irradiation (20 kHz → 500 kHz → 1.6 MHz → 2.4 MHz) for acoustic emulsification of a water-insoluble monomer(MMA) in an aqueous medium, followed by emulsion polymerization in the obtained solution without using any surfactants. We have also investigated the effect of experimental parameters for tandem acoustic emulsification on MMA droplets size in more detail. In addition, other monomers were used to check the versatility of this technique.
