Synthesis of Poly(β-cyclodextrin-maleic anhydride) Conjugated Magnetic Nanoparticles via RAFT Polymerization for Adsorption of Organic Compound

Abstract:

In this paper, novel magnetic nanoparticles by initiating maleic anhydride-β-cyclodextrin (MAHCD) polymerization onto the surface of Fe₃O₄ nanoparticles were prepared. Firstly, MNPs were modified by silane couple agent, and then the modified MNPs reacted with 3-benzylsulfanyl thiocarbonyl sulfanyl propionic acid chloride to obtain RAFT chain transfer modified Fe₃O₄ nanoparticles. Then, maleic anhydride-β-cyclodextrin (MAHCD) was prepared by the reaction of maleic anhydride with β-cyclodextrin. Finally, MNP@P(MAHCD-co-MMA) nanoparticles were prepared using MAHCD and methyl methacrylate (MMA) as monomers and modified Fe₃O₄ nanoparticles as chain transfer agent by RAFT in the presence of initiator AIBN. The structure and size of the MNP@P(MAHCD-co-MMA) nanoparticles were confirmed by FTIR, TGA, XRD and TEM. The results showed that the MNP@P(MAHCD-co-MMA) nanoparticles about 200 nm were successfully prepared. Moreover, the MNP@P(MAHCD-co-MMA) nanoparticles showed well adsorption property using hydroxylbenzoic acid as the guest compound. Therefore, the MNP@P(MAHCD-co-MMA) nanoparticles have the capability to adsorb suitable guest compounds, and could be used for water treatment.

• Periodical: Advanced Materials Research (Volumes 955-959)
• Pages: 149-153
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.955-959.149
• Online since: June 2014
• Authors: Ming Ni, Yi Ming Cheng, Dong Jian Shi, Peng Yun Li, Ming Qing Chen
• Keywords: Cyclodextrin Polymer, Magnetic Nanoparticles, Removal of Organic Compound

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