Abstract
Synthesis of magnetic polymer particles (MPP) was carried out through two steps. Firstly, the iron oxide particles carrying vinyl groups were synthesized, and in the second step, styrene (ST), divinyl benzene (DVB), and 2-hydroxyethyl methacrylate (HEMA) were polymerized on the surface of modified iron oxide through an emulsifier-free emulsion polymerization technique. The final particles were characterized by a Fourier transform infrared spectroscopy (FTIR), Fourier transform infrared attenuated total reflectance spectroscopy (FTIR-ATR), X-ray diffractometer (XRD), thermal gravimetry analysis (TGA), Fritsch particle sizer, scanning electron microscope (SEM), and vibrating sample magnetometer (VSM). Experimental analysis confirmed that all the iron oxide particles were embedded in a polymer phase and the final particles have more than 67 % iron oxide content. According to magnetometry data, the shape of the hysteresis loops evidences the ferromagnetic character of the particles.
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