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Citation: WANG Yunpu, MA Hongbin, LI Hongjun, CHANG Yue, QI Caiju, YING Chanjuan. Preparation and Characterization of Poly[styrene-co-(maleic anhydride)]/Fe₃O₄ Hybrid Materials[J]. Chinese Journal of Applied Chemistry, ;2012, 29(7): 794-800. doi: 10.3724/SP.J.1095.2012.00353 shu

Preparation and Characterization of Poly[styrene-co-(maleic anhydride)]/Fe₃O₄ Hybrid Materials

1.
Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China

Corresponding author: CHANG Yue,
Received Date: 10 August 2011
Available Online: 28 September 2011

Fe₃O₄ nanoparticles,which were prepared by chemical coprecipitation,were modified by 2,2,6,6-tetramethylpiperidinyl-1-oxy bromic salt to form peroxide initiators.The poly[styrene-co-(maleic anhydride)]/Fe₃O₄ hybrid materials were prepared by "living"/controllable free radical polymerization of styrene(St) and maleic anhydride(MA) in the presence of modified Fe₃O₄.Nano-Fe₃O₄ and the hybrid materials were characterized by FT-IR,XRD,TGA,TEM,GPC.The results indicate that its average diameter is about 70 nm.The polymer chains increase with the polymerization time.The results of magnetic performance by vibrating sample magnetometer indicate that the hybrid materials exhibit superparamagnetic properties at room temperature under applied magnetic field.Saturation magnetization decreases with the increasing amount of encapsulated polymers.
- Fe₃O₄ nanoparticles,
- hybrid materials,
- "living"/controlled free radical polymerization
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Preparation and Characterization of Poly[styrene-co-(maleic anhydride)]/Fe3O4 Hybrid Materials

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通讯作者: 陈斌, bchen63@163.com

Preparation and Characterization of Poly[styrene-co-(maleic anhydride)]/Fe₃O₄ Hybrid Materials