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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 881-883Preparation of an Amphiphilic Magnetic Copolymer...

Preparation of an Amphiphilic Magnetic Copolymer Microspheres

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Abstract:

The magnetic polymer microspheres were synthesized by copolymerization of styrene with a water-soluble polyurethane macromonomer in the presence of Fe₃O₄ in ethanol/water medium. The structure of copolymer was determined by FTIR spectroscopy. The morphology and the average size of magnetic microspheres were characterized by transmission electron microscopy. The magnetic properties were recorded with a vibrating sample magnetometer. The results show that the magnetic microspheres had an average particle size of 500nm. The magnetic microspheres have super paramagnetic, enhanced hydrophilicity and the characteristics of simple and rapid magnetic separation. The magnetic susceptibility was 3.898×10^-5emu/(Oe·g) and the saturation magnetization was 41.122 emu/g.

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Advanced Materials Research (Volumes 881-883)

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846-849

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.881-883.846

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Online since:

January 2014

Authors:

Zai Man Liu, Yun Liu, Peng Zhang

Keywords:

Macromonomer, Magnetic, Polymer Microsphere, Polystyrene

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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