Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23142
Title: Synthesis and characterization of amphiphilic magnetic polymer microspheres
Authors: Liu, X
Ding, X
Zheng, Z
Peng, Y
Long, X
Kun, C
Wang, X
Chan, ASC
Yip, CW
Keywords: Amphiphilic
Magnetic
Microsphere
Polymer
Issue Date: 2003
Publisher: 科學出版社
Source: 高分子學報 (Acta polymerica Sinica), 2003, v. , no. 1, p. 104-108 How to cite?
Journal: 高分子學報 (Acta polymerica Sinica) 
Abstract: Amphiphilic magnetic polymer microspheres were synthesized by copolymerization of styrene with poly(ethylene oxide) maeromonomer(MPEO) in the presence of Fe3 O4 magnetic fluid in ethanol/water medium. The effect of MPEO concentration on the average size of magnetic microspheres was investigated. Magnetic microspheres size, morphology and surface roughness were characterized by scanning electron microscopy and atomic force microscopy. The structure of copolymer was determined by infrared spectroscopy. With increasing poly (ethylene oxide) macromonomer used in polymerization, the surface roughness of microspheres increases. Magnetic microspheres containing 0.4-3.5 mg/g hydroxyl groups could be prepared by varying concentration of MPEO.
URI: http://hdl.handle.net/10397/23142
ISSN: 1000-3304
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