Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 276, Issue -, Pages 225-231Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhazmat.2014.05.035
Keywords
Ion adsorption; Porous polymer; Surface functionalization; Polyacrylic acid
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Funding
- Beijing Natural Science Foundation [2122046]
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The interfacial functionalized poly (glycidyl methacrylate) (PGMA) porous monolith was fabricated and applied as a novel porous adsorbent for copper ions (Cu2+). PGMA porous material with highly interconnected pore network was prepared by concentrated emulsion polymerization template. Then polyacrylic acid (PAA) was grafted onto the interface of the porous monolith by the reaction between the epoxy group on PGMA and a carboxyl group on PAA. Finally, the porous monolith was interfacial functionalized by rich amount of carboxyl groups and could adsorb copper ions effectively. The chemical structure and porous morphology of the porous monolith were measured by Fourier transform infrared spectroscopy and scanning electron microscopy. Moreover, the effects of pore size distribution, pH value, co-existing ions, contacting time, and initial concentrations of copper ions on the adsorption capacity of the porous adsorbents were studied. (C) 2014 Elsevier B.V. All rights reserved.
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