Abstract
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. DOI: http://dx.doi.org/10.5564/mjc.v14i0.195 Mongolian Journal of Chemistry 14 (40), 2013, p33-35
Highlights
The synthesis of nanostructured materials with tunable properties is central to the development of varying applications in nanoscale science and technology
Reprecipitation methods for organic nanoparticle synthesis are single-step procedures based on the mixing of a solution of the organic compound with a poor or nonsolvent
The majority of investigations in the field of nanotechnology have focused on the fabrication of polymeric nanostructures using different methods such as self-organized precipitation method or supercritical fluid technology
Summary
The synthesis of nanostructured materials with tunable properties is central to the development of varying applications in nanoscale science and technology. There are many preparation methods of polymer nanoparticles including milling of bulk materials, emulsion polymerization, seed polymerization and reprecipitation [10]. Emulsion based methods for nanoparticle synthesis are two-step procedures that comprise an initial emulsion formation and, subsequently, an actual nanoparticle formation via a process such as evaporation or diffusion [11]. Reprecipitation methods for organic nanoparticle synthesis are single-step procedures based on the mixing of a solution of the organic compound with a poor or nonsolvent.
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