Journal of East China Normal University(Natural Sc ›› 2008, Vol. 2008 ›› Issue (4): 96-101.

• Article • Previous Articles     Next Articles

Synthesis and characterization of amino-silanemodified NdFeB magnetic particles(Chinese)

WANG Li-qing1, ZHANG Hong-yan1, ZHAO Zhen-jie2, WANG Qing-jiang1, HE Pin-gang1   

  1. 1.Department of Chemistry, East China Normal University, Shanghai200062, China;2.Department of Physics, East China Normal University, Shanghai200062, China
  • Received:2007-12-01 Revised:2008-02-05 Online:2008-07-25 Published:2008-07-25
  • Contact: HE Pin-gang

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Abstract: In order to be conjuncted with active -NH2 groups, the surface modification of NdFeB permanent magnetic particles by 3-aminopropyltriethoxysilane (APES) was studied in this paper. The surface functional groups of the modified NdFeB magnetic particles were investigated by FT-IR, DSC-TG, TEM and magnetic hysteresis loop measurements, and the experimental results showed that effective amino-silane modified magnetic particles was obtained under the optimum conditions. The methods reported in this paper have some advantages, such as simple reagents, easy operation and stable property. The APES coated NdFeB magnetic particles could be used for further biological researches.

Key words: Amino-silane, surface modification, NdFeB magnetic particles, Amino-silane, surface modification

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