Encapsulation of magnetite in polymer particles via the miniemulsion polymerization process

D. Hoffmann - K. Landfester - M. Antonietti

Max Planck Institute of Colloids and Interfaces, Forschungscampus Golm, 14424 Potsdam, Germany

Abstract
It is shown that magnetite particles can be efficiently encapsulated into polystyrene particles by a miniemulsion process using oleoyl sarcosine acid for the interface magnetite--styrene and sodium dodecylsulfate for the interface styrene--water, thus creating a polymer coated ferrofluid. Figs 2, Refs 13.