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Polymers 2016, 8(5), 187; doi:10.3390/polym8050187

Synthesis and Characterization of Polystyrene-Supported Piperazine-Substituted Triazoles by CuAAC and First Evaluation for Metal Ion Extraction

1
Unité de Technologies Chimiques et Biologiques pour la Santé, CNRS UMR8258, INSERM U1022, Ecole Nationale Supérieure de Chimie de Paris, PSL Research University, 11 rue Pierre & Marie Curie, Paris 75005, France
2
Faculté des Sciences de Bizerte, Université de Carthage, Jarzouna, Bizerte 7021, Tunisia
3
Institut Supérieur de Biotechnologie, Avenue Habib Bourguiba, Beja 9000, Tunisia
*
Authors to whom correspondence should be addressed.
Academic Editor: Changle Chen
Received: 4 January 2016 / Revised: 22 March 2016 / Accepted: 23 March 2016 / Published: 10 May 2016
(This article belongs to the Special Issue Metal-Mediated Polymer Synthesis)
View Full-Text   |   Download PDF [1415 KB, uploaded 10 May 2016]   |  

Abstract

The goal of this work was to synthesize substituted polystyrene for metal extraction and/or depollution by introduction of substituted piperazines as chelatants starting from Merrifield polymer. After transformation of Merrifield’s resin in azidomethyl polystyrene, click-chemistry using copper (I)-catalyzed Huisgen’s reaction (CuAAC) was performed to prepare different polymers grafted with 1,4-triazoles bearing the piperazines, containing an alkyne as the other counterpart in the CuAAC. The polymers were then first tested for their efficiency to remove various metal ions from neutral aqueous solutions (Fe3+, Ni2+, Cu2+, Zn2+ and Pb2+). The polymers were found to extract Ni2+ and Zn2+ with low efficiencies ≤40%. For Fe3+ and Cu2+, the average extraction was around 80%, and for Pb2+ around 50%. The global selectivity for these polymers was found to be in the order of Fe3+ ≥ Cu2+ > Pb2+ >> Ni2+ > Zn2+. View Full-Text
Keywords: Tailor-made polymers; Merrifield resin; click chemistry; piperazine triazoles; metal ion removal Tailor-made polymers; Merrifield resin; click chemistry; piperazine triazoles; metal ion removal
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Slimi, R.; Ben Othman, R.; Sleimi, N.; Ouerghui, A.; Girard, C. Synthesis and Characterization of Polystyrene-Supported Piperazine-Substituted Triazoles by CuAAC and First Evaluation for Metal Ion Extraction. Polymers 2016, 8, 187.

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