Abstract

Fe3O4-nanoparticles/polystyrene (Fe3O4-NPs/PS) composite microspheres were synthesized using a modified dispersion polymerization method. The distribution and content of Fe3O4-NPs in the microspheres were studied. Using the Fe3O4-NPs/PS microspheres as templates, Fe3O4-NPs/SiO2 core-shell hollow microspheres with excellent magnetic property and large cubage were synthesized facilely. The obtained Fe3O4-NPs/SiO2 core-shell hollow microspheres had a potential application in detoxification extraction and rapid waste removal with a very simple procedure.

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