Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 324, Issue 19, Pages 3078-3082Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2012.05.005
Keywords
Magnetic polymer microsphere; Epoxy-functionalized; Core-shell; Photo-initiated; Miniemulsion polymerization
Funding
- National Basic Research Program of China [2010CB635111]
- National Nature Science Foundation of China [50773063, 51173146]
- Basic Research of Northwestern Polytechnical University [G9KY1020]
- Research and Development Program Project of Science Technology in Shaanxi Province [2011 KW-12]
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Epoxy-functionalized magnetic polymer microspheres with high magnetic responsiveness were prepared through a one-step photo-initiated miniemulsion polymerization. This kind of core-shell particle can be synthesized successfully with hydrophilic monomer, glycidyl methacrylate, as a single monomer by a 10 min ultraviolet irradiation, and phase separation induced eccentric cores. The morphology of the particles was examined with a transmission electron microscope and a scanning electron microscope. The incorporation of magnetic particles was characterized with X-ray diffraction. The magnetic content of the microspheres was detected by both vibrating sample magnetometer and thermo-gravimetric analyzer. (C) 2012 Elsevier BY. All rights reserved.
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