Abstract
Poly(methacrylic acid) (PMAA) nanoparticles were successfully synthesized via emulsion polymerization techniques, a robust and convenient method to produce polymer nanoparticles. PMAA nanoparticles were prepared utilizing different nonionic surfactants at various concentrations and potassium persulfate (KPS) as water soluble initiator. The effects of different nonionic surfactants towards the particle size, stability and morphology of PMAA nanoparticles were thoroughly discussed. The formation of PMAA nanoparticles have been confirmed by using Fourier transform infrared (FTIR) spectroscopy. Thermogravimetric analyzer (TGA) was used to measure the changes in physical and chemical properties of PMAA nanoparticles as a function of increasing temperature. The particles sizes and morphology of PMAA nanoparticles were investigated using scanning electron microscope (SEM). It is speculated that the invention of hydrophilic polymer nanoparticles could bring a new path towards the development of “green” polymeric nanoparticles which are more compatible and can easily be degraded especially for future sustainable.
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