Dispersion Polymerization of Polystyrene Particles Using Alcohol as Reaction Medium

Nanoscale Research Letters
Young-Sang ChoSujin Han

Abstract

In this study, monodisperse polystyrene nanospheres were prepared by dispersion polymerization using alcohol as reaction medium to prepare colloidal clusters of the latex beads. Polyvinylpyrrolidone (PVP) and 2-(methacryloyloxy)ethyltrimethylammonium chloride (MTC) were used as dispersion stabilizer and comonomer, respectively. The particle size could be controlled by adjusting the reactant compositions such as the amount of stabilizer, comonomer, and water in the reactant mixture. The size and monodispersity of the polymeric particles could be also controlled by changing the reaction medium with different alcohols other than ethanol or adjusting the polymerization temperature. The synthesized particles could be self-organized inside water-in-oil emulsion droplets by evaporation-driven self-assembly to produce colloidal clusters of the polymeric nanospheres.

References

Jan 15, 2013·Nanoscale Research Letters·Arnau CollLuis Castañer
Jan 1, 1992·Journal of Research of the National Institute of Standards and Technology·Arie W HartmanJoseph Fu

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