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Journal of Materials Science

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01-09-2008

Properties of magnetic poly(glycidyl methacrylate) and poly(N-isopropylacrylamide) microspheres

Authors: Daniel Horák, Emil Pollert, Hana Macková

Published in: Journal of Materials Science | Issue 17/2008

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Abstract

Iron oxide colloids were prepared by coprecipitation of Fe(II) and Fe(III) salts in alkaline media and stabilized by perchloric acid, oleic acid, or poly(acrylic acid). In an attempt to obtain magnetic polymer microspheres differing in size, dispersion polymerization of glycidyl methacrylate (GMA) in ethanol containing HClO₄-stabilized magnetite, dispersion copolymerization of GMA and 2-hydroxyethyl methacrylate (HEMA) in toluene/2-methylpropan-1-ol mixture in the presence of oleic acid-coated magnetite, and inverse suspension copolymerization of N-isopropylacrylamide (NIPAAm) and N,N′-methylenebisacrylamide (MBAAm) in cyclohexane in the presence of poly(acrylic acid)-coated maghemite were compared. The microspheres were characterized by morphology, size, polydispersity, and some magnetic properties.

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Title: Properties of magnetic poly(glycidyl methacrylate) and poly(N-isopropylacrylamide) microspheres
Authors: Daniel Horák
Emil Pollert
Hana Macková
Publication date: 01-09-2008
Publisher: Springer US
Published in: Journal of Materials Science / Issue 17/2008
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI: https://doi.org/10.1007/s10853-008-2836-2

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