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Reference type: Journal
Authors: Chaipuang A, Phungpanya C, Thongpoon C, Watla-iad K, Inkaew P, Machan T, Suwantong O
Article Title: Synthesis of copper(II) ion-imprinted polymers via suspension polymerization.
Publication date: 2018
Journal: Polymers for Advanced Technologies
Volume: 29
Issue: (12)
Page numbers: 3134-3141.
DOI: 10.1002/pat.4434

Abstract: Copper(II) (Cu2+) ion-imprinted polymers were prepared by suspension polymerization using 2.5 mmol of copper(II) sulfate pentahydrate as the template ion, 5 mmol of 4-vinylpyridine and methacrylic acid as functional monomers, 20 mmol of ethylene glycol dimethacrylate as the cross-linker, 1 mmol of 1,1'-azobis(cyclohexanecarbonitrile) as the initiator in the porogen of 10 mL of toluene, and hydroxypropyl methyl cellulose as a stabilizer in the polymerization reaction. The obtained polymers were used to quantify Cu2+ ion by using flame atomic absorption spectroscopy. Chemical structure, morphology, crystalline structure, and surface area of polymers were investigated by Fourier transform infrared spectroscopy, scanning electron microscope, X-ray diffraction, and Brunauer-Emmett-Teller respectively. The diameters of the synthesized polymer particles were about 250 nm. The Cu2+ ion-imprinted polymers illustrated good recognition property and selective adsorption ability with Cu2+ higher than Mn2+ and Fe2+. Thus, this work could be applied as a sorbent from the enrichment of Cu2+ ions in analytes
Template and target information: copper ion, Cu(II)
Author keywords: adsorption, copper, Ion-imprinted polymer, selectivity


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