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Journal of Shanghai University（Natural Science Edition）

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Synthesis of Fe3O4/PAM Core-Shell Magnetic Particles by EB-Irradiation

LIU Xin-wen1,2， ZU Jian-hua2， BAO Bo-rong1，WU Ming-hong2， TONG Long2， SUN Gui-sheng2   

  1. 1. College of Sciences, Shanghai University, Shanghai 200444, China;2. School of Environmental and Chemical Engineering, Shanghai University, Shanghai 201800, China
  • Received:2006-12-30 Revised:1900-01-01 Online:2008-04-30 Published:2008-04-30
  • Contact: BAO Bo-rong

Abstract: Magnetic nanoparticles were perpared by the chemical coprecipitation of ferrouschloride and ferricchloride. Fe3O4/PAM core-shell composite magnetic particles were synthesized by EBirradiation and characterized by XRD, AFM, and FTIR. The results indicate that the only product prepared by co-operation method was singlephase Fe3O4 and its diameter was about 8 nm. The microsphere was spherical and its diameter was about 100 nm. It has been found that the diameter of the core-shell microparticles can be controlled by changing concentration of monomer AM, magnetic nanoparticles Fe3O4 and doses of irradiation.

Key words: EB-irradiation, monomer polymerization, Fe3O4/PAM core-shell magnetic composite microspheres

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