Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 69, Issue -, Pages 422-431Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.10.004
Keywords
Hydrogel spheres; Ion exchange capacity; Adsorption; Poly(acrylic acid); Environmental toxins
Funding
- National Natural Science Foundation of China [51503125, 51673125, 51773127]
- State Key Research Development Programme of China [2016YFC1103000]
- Youngth Science and Technology Innovation Team of Sichuan Province [2015TD0001]
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Polyacrylic acid/polyethersulfone (PAA/PES) capsules were adopted as templates to synthesize PAA/PES core-shell spheres, and the PES shell of spheres could be removed automatically by the swelling nature of the cross-linked PM hydrogel core. By using the method, PM hydrogel spheres were prepared with an ultrahigh ion exchange capacity of 12 meq g(-1), and the spheres showed a high adsorption capacity for methylene blue. The PAA-polyacrylamide hydrogel spheres with dual adsorption ability and good mechanical property were also prepared. It was revealed that these two hydrogel spheres can be effectively utilized in the removal of environmental toxins. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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