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| Preparation and Property of Fe3O4/P(St-co-MMA) Micro-nano Composites |
| Wenjuan LEI,Yingxia MA,Peiqing LA,Eryan LIU,Xiangqian LI,Wenjuan ZHANG |
| State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China |
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Cite this article:
Wenjuan LEI,Yingxia MA,Peiqing LA,Eryan LIU,Xiangqian LI,Wenjuan ZHANG. Preparation and Property of Fe3O4/P(St-co-MMA) Micro-nano Composites. Chinese Journal of Materials Research, 2016, 30(9): 711-716.
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Abstract Micro-nano composites of Fe3O4/P(St-co-MMA) were in-situ synthesized by inverse coprecipitation method using microspheres of monodispersed styrene-methyl methacrylate copolymer P(St-co-MMA) as carrier, FeCl36H2O and FeSO47H2O as precursor. The microstructure, crystallographic structure, magnetic property, average pore size, volume of pores and BET specific surface area of Fe3O4/P(St-co-MMA) were characterized by scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD) spectroscopy, viberating sample magnetometer (VSM) and nitrogen adsorption/desorption isotherms. The results show that nano paricles of Fe3O4 were successfully deposited on the suface of micro-sized P(St-co-MMA). The mesoporous in Fe3O4/P(St-co-MMA) micro-nano composites were confirmed. The average pore size, the volume of pores, and the BET specific surface area of Fe3O4/P(St-co-MMA) were 15.41 nm, 0.15953 cm3/g and 32.82 m2/g, respectively. The micro-nano composites Fe3O4/P(St-co-MMA) have magnetic property in superparamagnetism and good magnetic response, so Fe3O4/P(St-co-MMA) can meet the requirement for fast solid-liquid separation from liquid suspension with an applied external magnetic field.
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Received: 05 December 2015
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| Fund: DOI: 10.11901/1005.3093.2015.184’ *Supported by National Natural Science Foundation of China No.51403091, Natural Science Foundation of Gansu Province No 1310RJZA081, and Processing and Recycling of Non-ferrous Metals of China No SKL1315 |
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