Preparation of Magnetic Hybrid Nanoparticles via Surface-Initiated Polymerization from Magnetite

Magnetic hybrid nanoparticles have superparamagnetism from magnetite and special properties from polymer parts, such as biocompatibility, stimuli-responsivity, fluorescence, and the dispersion of hybrid nanoparticles, are obviously improved compared to that of magnetite. The research of magnetic hybrid nanoparticles have been intensively pursued because of their potential application in biomedicine, catalysis, separation and other fields. In this paper, the research progress of the preparation of magnetic hybrid nanoparticles via surface-initiated polymerization is reviewed from polymerization mechanism, including traditional radical polymerization, atom transfer radical polymerization (ATRP), reversible addition-fragmentation chain transfer (RAFT), nitroxide-mediated radical polymerization (NMRP), and ring-opening polymerization (ROP).