Formation of polymer nanoparticles by self organized precipitation method
Polymer nanoparticles have been investigated with great interest due to their potential applications in the fields of electronics, photonics and biotechnology. Here, we demonstrated the formation of polymer nanoparticles from a tetrafydrofuran/water mixture solution. Polymer nanoparticles remained as dispersed particles in the poor solvent (water) when good solvent (THF) is evaporated. Homogeneous nucleation and successive growth of polymer particles takes place during the dynamic nonequilibrium process of solvent evaporation. The size of the particles ranging from hundreds of nanometers to micrometers scale depends on the solvent mixing ratio. With suitable combinations of solvents, this procedure is applicable to a wide variety of polymers.
Mongolian Journal of Chemistry 14 (40), 2013, p33-35
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