Synthesis of a new polystyrene@Fe3O4 magnetic microspheres

Yongping Xue; Feng Jian; Xuewen Zhong; Lu Tang; Xiaojun Yang

doi:10.36410/jcpr.2021.22.4.441

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자료유형: 학술저널

저자정보: Yongping Xue (Wuhan Institute of Technology) Feng Jian (Wuhan Institute of Technology) Xuewen Zhong (The College of Post and Telecommnication of Wuhan Institute of Technology) Lu Tang (The College of Post and Telecommnication of Wuhan Institute of Technology) Xiaojun Yang (Wuhan Institute of Technology)

저널정보: 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제22권 제4호

발행연도: 2021.8

수록면: 441 - 445 (5page)

DOI: 10.36410/jcpr.2021.22.4.441

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In this article, the synthesis process of magnetic polystyrene@Fe3O4 was investigated, which are suitable for the applicationin magnetically stabilized fluidized-bed reactors. The magnetic polystyrene@Fe3O4 coated with Fe3O4 were prepared bysuspension polymerization. In the reaction, triethoxy(vinyl)silane, styrene, divinylbenzene, liquid paraffin, gelatin, benzoylperoxides (BPO) were used as the surfactant, monomers, the crosslinking agent, a porogenic agent, a dispersant, an initiator,respectively. Simultaneously, the chemical composition, morphologies, particle sizes, the amount of Fe3O4 coated were analyzed. The samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), infrared spectroscopy(FTIR), vibrating sample magnetometer (VSM) analysis and thermo gravimetric analysis (TGA). The results showed that thenew type of magnetic polystyrene@Fe3O4 microspheres were porous, spherical in shape with a narrow particle size distributionin the range of 150~200 μm. The amount of Fe3O4 coating reached to 12.39%, and the maximum saturation magnetizationwas 51.71 A·m2·kg-1 at room temperature. In addition, the results also showed that polystyrene@Fe3O4 magnetic microsphereshave good acid resistance and good suspendability.

#suspension polymerization #microspheres #Fe3O4 #surface modification #coating

참고문헌 (9)

참고문헌 신청

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