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Poly(ethyl glycol) surface coated magnetic particles
Language
en
Article de revue
This item was published in
Macromolecular Rapid Communications. 2005, vol. vol. 26, n° 18,, p. p. 1494-1498
Wiley-VCH Verlag
English Abstract
A methacrylate-functionalized poly(ethylene glycol) macromonomer was copolymerized at the surface of methacrylate-derivatized maghemite nanoparticles. After silylation of the magnetic core with methacryloxypropyltrimethoxysilane, ...Read more >
A methacrylate-functionalized poly(ethylene glycol) macromonomer was copolymerized at the surface of methacrylate-derivatized maghemite nanoparticles. After silylation of the magnetic core with methacryloxypropyltrimethoxysilane, two grafting procedures based on either a direct copolymerization reaction in water or an inverse emulsion polymerization were compared. A direct copolymerization led to low polymer surface amounts, whereas an inverse emulsion process allowed nanocomposite particles containing up to 90 wt.-% polymer to be obtained.Read less <
English Keywords
Biocompatibility
Macromonomers
Maghemite
Nanocomposites
Poly(ethylene glycol)
Origin
Hal imported