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Title: Effect of porogen solvent on the properties of nickel ion imprinted polymer materials prepared by inverse suspension polymerization
Authors: Meouche, Walid
Laatikainen, Katri
Margaillan, André
Silvonen, Timka
Siren, Heli
Sainio, Tuomo
Beurroies, Isabelle
Denoyel, Renaud
Branger, Catherine
Affiliations: Faculty of Arts and Sciences 
Keywords: Inverse suspension polymerization
Lon-imprinted polymer
Selective adsorption
Issue Date: 2017
Publisher: Elsevier
Part of: European Polymer Journal
Volume: 87
Start page: 124
End page: 135
Ion-imprinted polymers (IIPs) for nickel were synthesized by inverse suspension copolymerization of vinylbenzyl iminodiacetic acid (VbIDA) with ethyleneglycol dimethacrylate (EDMA) in the presence of nickel(II) ions with various porogen solvents to study their impact on the IIPs properties. They were prepared with mixtures of acetonitrile and dimethylsulfoxide (DMSO), 50/50%v/v, for IIP-A/D and 2-methoxyethanol and DMSO, 50/50%v/v, for IIP-M/D. The structure and properties of these polymers were compared with those of IIP-D previously prepared with pure DMSO as porogen solvent. Although IIP-A/D and IIP-M/D were less porous than IIP-D, they presented better nickel adsorption properties and selectivity towards Zn2+, Co2+ and Pb2+. This is assumed to be the result of the stabilization of the ligand-metal complex during the polymerization process. Moreover, the nickel binding capacities of the prepared IIPs in competitive conditions are remarkably high (184 μmol/g for IIP-D, 170 μmol/g for IIP-A/D and 174 μmol/g for IIP-M/D). The impact of the VbIDA chelating monomer was highlighted by comparing the adsorption properties of a copolymer of methyl methacrylate (MMA) and EDMA with NIP-D. It was proved that the methacrylic polymer matrix has low binding properties.
ISSN: 00143057
DOI: 10.1016/j.eurpolymj.2016.12.022
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Chemistry

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