Effect of porogen solvent on the synthesis of nickel ion imprinted polymer materials prepared by inverse suspension polymerization

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http://hdl.handle.net/10138/310027

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Meouche , W , Laatikainen , K , Margaillan , A , Silvonen , T , Siren , H , Sainio , T , Beurroies , I , Denoyel , R & Branger , C 2017 , ' Effect of porogen solvent on the synthesis of nickel ion imprinted polymer materials prepared by inverse suspension polymerization ' , European Polymer Journal , vol. 87 , pp. 124-135 . https://doi.org/10.1016/j.eurpolymj.2016.12.022

Title: Effect of porogen solvent on the synthesis of nickel ion imprinted polymer materials prepared by inverse suspension polymerization
Author: Meouche, Walid; Laatikainen, Katri; Margaillan, Andre; Silvonen, Timka; Siren, Heli; Sainio, Tuomo; Beurroies, Isabelle; Denoyel, Renaud; Branger, Catherine
Contributor: University of Helsinki, Department of Chemistry
Date: 2017-02
Language: eng
Number of pages: 12
Belongs to series: European Polymer Journal
ISSN: 0014-3057
URI: http://hdl.handle.net/10138/310027
Abstract: Ion-imprinted polymers (IIPs) for nickel were synthesized by inverse suspension copoly-merization 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 mu mol/g for IIP-D, 170 mu mol/g for IIP-A/D and 174 mu mol/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. (C) 2016 Elsevier Ltd. All rights reserved.
Subject: 116 Chemical sciences
Ion-imprinted polymer
Inverse suspension polymerization
Porogen
Nickel
Selective adsorption
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