Synthesis of Fe3O4/PMMA Nanocomposite Particles by Surface-Initiated ATRP and Characterization

Chem. J. Chinese Universities

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Synthesis of Fe₃O₄/PMMA Nanocomposite Particles by Surface-Initiated ATRP and Characterization

AN Li-Juan^1,2; LI Zhao-Qiang¹; WANG Yan-Ping¹; YANG Bai¹*

1. Key Lab for Supramolecular Structure and Materials, College of Chemistry,
Jilin University, Changchun 130023, China;
2. College of Science, Tianjin University of Science and Technology, Tianjin 300222, China

Received:2005-02-25 Revised:1900-01-01 Online:2006-07-10 Published:2006-07-10
Contact: YANG Bai

Abstract

Abstract: This paper described the synthesis of a new Fe₃O₄/PMMA core-shell nanocomposite particles with magnetism. The modified Fe₃O₄ nanoparticles were firstly synthesized by ligand exchange with 3-chloropropionic acid as the initiator from oleic acid. And then, PMMA was polymerized by surface-initiated atom transfer radical polymerization(ATRP) on the surface of Fe₃O₄nanoparticles. The nanocomposites were characterized by TEM, FTIR, XRD and DSC. The magnetic properties of the Fe₃O₄ nanoparticles and the Fe3O4/PMMA nanocomposite were also studied. The saturation magnetization of the nanocomposites was reduceded because of the existence of the polymer.

Key words: Fe₃O₄ nano particles, Atom transfer radical polymarization(ATRP), PMMA, Magnetic nano composite particles

CLC Number:

O631

TrendMD:

AN Li-Juan^1,2; LI Zhao-Qiang¹; WANG Yan-Ping¹; YANG Bai¹*.

Synthesis of Fe₃O₄/PMMA Nanocomposite Particles by Surface-Initiated ATRP and Characterization

[J]. Chem. J. Chinese Universities, doi: .

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Synthesis of Fe₃O₄/PMMA Nanocomposite Particles by Surface-Initiated ATRP and Characterization

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