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CLC number: TQ584.2

On-line Access: 2015-08-04

Received: 2015-04-24

Revision Accepted: 2015-07-01

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Journal of Zhejiang University SCIENCE A 2015 Vol.16 No.8 P.669-679

http://doi.org/10.1631/jzus.A1500096


Synthesis and characterization of magnetic porous Fe3O4/poly(methylmethacrylate-co-divinylbenzene) microspheres and their use in removal of Rhodamine B


Author(s):  Jie Shan, Li Wang, Hao-jie Yu, Yu-lei Tai, Muhammad Akram

Affiliation(s):  State Key Laboratory of Chemical Engineering, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   opl_wl@dial.zju.edu.cn

Key Words:  Fe3O4/poly(methylmethacrylate-co-divinylbenzene), Porous structure, Suspension polymerization, Dye removal


Jie Shan, Li Wang, Hao-jie Yu, Yu-lei Tai, Muhammad Akram. Synthesis and characterization of magnetic porous Fe3O4/poly(methylmethacrylate-co-divinylbenzene) microspheres and their use in removal of Rhodamine B[J]. Journal of Zhejiang University Science A, 2015, 16(8): 669-679.

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author="Jie Shan, Li Wang, Hao-jie Yu, Yu-lei Tai, Muhammad Akram",
journal="Journal of Zhejiang University Science A",
volume="16",
number="8",
pages="669-679",
year="2015",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1500096"
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%T Synthesis and characterization of magnetic porous Fe3O4/poly(methylmethacrylate-co-divinylbenzene) microspheres and their use in removal of Rhodamine B
%A Jie Shan
%A Li Wang
%A Hao-jie Yu
%A Yu-lei Tai
%A Muhammad Akram
%J Journal of Zhejiang University SCIENCE A
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%D 2015
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1500096

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T1 - Synthesis and characterization of magnetic porous Fe3O4/poly(methylmethacrylate-co-divinylbenzene) microspheres and their use in removal of Rhodamine B
A1 - Jie Shan
A1 - Li Wang
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A1 - Yu-lei Tai
A1 - Muhammad Akram
J0 - Journal of Zhejiang University Science A
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A1500096


Abstract: 
Porous polymers are very suitable materials for the adsorption of organic pollutants due to their abundant pores and organic frameworks in aqueous solution. However, their recovery from treated pollutant is difficult, and thus, their application is limited. A facile strategy to synthesize reusable magnetic porous microspheres (MPMS) of Fe3O4/poly(methylmethacrylate (MMA)-co-divinylbenzene (DVB)) is described in this paper. The magnetic microspheres were synthesized by suspension copolymerization. MMA was used as a monomer, DVB was used as a crosslinker, and the magnetic fluid was added to the organic phase. The morphology of MPMS was observed by scanning electron microscope (SEM) and other properties were tested by superconducting quantum interference device, Fourier transform infrared (FT-IR) spectroscopy, thermogravimetric analysis (TGA), X-ray powder diffraction (XRD), and nitrogen sorption-desorption techniques. The synthesized MPMS possessed a high specific surface area using toluene as a porogen. It was further found that the ratio of DVB to MMA, the ratio of porogen to monomer, and the type of porogen all affected the specific surface area and the morphology of the microspheres. Furthermore, the microspheres were applied to remove Rhodamine B from its aqueous solution. The results showed that the microspheres possessed good adsorption capacity for Rhodamine B. This result was due to the porous structure, polar groups, and superparamagnetic characteristic of the synthesized microspheres.

The study reported is of significant originality. The manuscript deals on the study of Fe3O4@poly(methylmethacrylate-co-divinylbenzene) magnetic porous microspheres and their application. Synthesis and characterization were well documented and properties of the products were tested by various techniques.

磁性多孔四氧化三铁/聚(甲基丙烯酸甲酯-co-二乙烯基苯)微球的制备、表征及其去除罗丹明B的应用研究

目的:通过悬浮聚合法合成含有Fe3O4磁性核的多孔聚合物微球,研究不同单体比例、致孔剂类型及用量对所合成磁性微球的形貌影响以发现最佳反应条件,最终将所合成的磁性多孔微球应用于从水溶液中去除阳离子染料罗丹明B,并证明成功。
方法:1. 通过改进的悬浮聚合法合成了磁性多孔四氧化三铁/聚(甲基丙烯酸甲酯-co-二乙烯基苯);2. 通过红外及能谱表征产物的组成,使用扫描电镜及透射电镜表征产物的表面及内部形貌,通过热失重分析表征产物的聚合物包覆率,通过X射线粉末衍射表征产物的晶型,使用压汞法表征产物的多孔性及孔结构,利用超导量子干涉仪测定产物的磁性能;3. 通过紫外分光光度法验证产物对于罗丹明B的吸附及其效果。
结论:1. 通过改进的悬浮聚合法成功合成磁性多孔四氧化三铁/聚(甲基丙烯酸甲酯-co-二乙烯基苯);2. 表面聚合物的包覆并不影响四氧化三铁的晶型;3. 产物的形貌及孔结构受到单体甲基丙烯酸甲酯与致孔剂二乙烯基苯的比例、致孔剂类型及用量等多方面影响;4. 所合成的产物对于罗丹明B有很好的吸附效果,同时具有很好的重复利用性;5. 所合成的聚合物在废水中重金属的去除、酶固定化、药物的靶向释放及生物分离等方面都有潜在应用价值。

关键词:Fe3O4/poly(MMA-co-DVB);多孔;染料去除

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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