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Iron oxide-based polymeric magnetic microspheres with a core shell structure: from controlled synthesis to demulsification applications

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Abstract

In this paper, iron oxide poly(methylmethacrylate-acrylicacid-divinylbenzene) Fe3O4@P(MMA-AA-DVB) magnetic core shell microspheres with chemical bonds between the inorganic core and the polymer shell in a narrow particle size were designed and synthesized. The surface morphology and magnetic properties of the magnetic Fe3O4@P(MMA-AA-DVB) nanoparticles formed were characterized using a laser particle size analyzer, transmission electron microscopy, Fourier transform infrared spectroscopy, vibrating sample magnetometry, and thermogravimetric analysis. Fourier transform infrared spectrometer analysis indicates the presence of carboxylic group -COOH and Fe3O4 in the final Fe3O4@P(MMA-AA-DVB) core shell microspheres. The Fe3O4@P(MMA-AA-DVB) core shell microspheres possessed a characteristic of paramagnetic with the saturation magnetization value of about 7 to 9 emu/g determined by vibrating sample magnetometer (VSM). The experimental results show that Fe3O4@P(MMA-AA-DVB) magnetic core shell microspheres exhibit model interfacially active and demulsification properties. The results showed that the microspheres exhibited excellent magnetic and demulsification properties and can be recycled to use again.

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Acknowledgments

The authors are grateful for the financial support provided by the National Natural Science Foundation of China (No. 51173146), basic research fund of Northwestern Polytechnical University (3102014JCQ01094, 3102014ZD).

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Authors and Affiliations

  1. Key Laboratory of Applied Physics and Chemistry in Space of Ministry of Education, School of Science, Northwestern Polytechnical University, Xi’an, 710072, China

    Nisar Ali, Zhang Baoliang, Hepeng Zhang, Sarmad Ali, Zafar Ali, Wei Li & Qiuyu Zhang

  2. School of material science, Northwestern Polytechnical University, Xi’an, 710072, China

    Wajed Zaman

  3. School of Science, Northwestern Polytechnical University, Xi’an, 710072, China

    Qiuyu Zhang

Authors
  1. Nisar Ali
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  2. Zhang Baoliang
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  3. Hepeng Zhang
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  4. Wajed Zaman
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  6. Zafar Ali
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  7. Wei Li
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  8. Qiuyu Zhang
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Correspondence to Qiuyu Zhang.

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Ali, N., Baoliang, Z., Zhang, H. et al. Iron oxide-based polymeric magnetic microspheres with a core shell structure: from controlled synthesis to demulsification applications. J Polym Res 22, 219 (2015). https://doi.org/10.1007/s10965-015-0837-9

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  • DOI: https://doi.org/10.1007/s10965-015-0837-9

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