One-pot fabrication of magnetic nanocomposite microcapsules |
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| Authors: | Hongxia Liu Quanxing Gao Xinxing Liu |
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| Affiliation: | a Research Institute of Materials Science, South China University of Technology, Guangzhou 510640, China
b College of Veterinary Medicine, South China Agricultural University, Guangzhou 510640, China |
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| Abstract: | Fe2O3 nanoparticles can self-assembly at liquid-liquid interfaces to form stable water-in-oil Pickering emulsions. Novel magnetic and thermo-sensitive microcapsules were one-pot fabricated by radical polymerization of N-isopropylacrylamide (NIPAm) at the aqueous phases of Pickering emulsions at 60 °C. The obtained PNIPAm was deposited from the water phases onto the interfaces of water-in-oil Pickering emulsions to form Fe2O3/PNIPAm nanocomposite shells because of its hydrophobicity at this reaction temperature. Pickering emulsion polymerization opens up a new route to fabricate a variety of hollow and hybrid microcapsules. |
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| Keywords: | Nanocomposites Magnetic materials Self-assembly Hollow microcapsules |
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