Abstract
The process of miniemulsification allows the generation of small, homogeneous,and stable droplets containing monomer or polymer precursors and magnetitewhich are then transferred by polymer reactions to the final polymer latexes,keeping their particular identity without serious exchange kinetics involved. It isshown that the miniemulsion process can excellently be used for the formulationof polymer-coated magnetic nanoparticles which can further be used forbiomedical applications. The use of high shear, appropriate surfactants, and theaddition of a hydrophobe in order to suppress the influence of Ostwald ripeningare key factors for the formation of the small and stable droplets in miniemulsionand will be discussed. Two different approaches based on miniemulsion processesfor the encapsulation of magnetite into polymer particles will be presented indetail.
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