Synthesis of Polymer Grafted Magnetite Nanoparticle with the Highest Grafting Density via Controlled Radical Polymerization

Table 1 ATRP of methyl methacrylate from the various nanoparticle

Various anchoring chemistry	Various nanoparticle	Grafting density after polymerization (chain/nm²)
Thiol	Gold	0.3
Choro silane	Magnetite	0.1
Triethoxy silane	Silica	0.7
Triethoxy silane	Titania	0.04