Journal
JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS
Volume 53, Issue 2, Pages 233-242Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00222348.2013.810094
Keywords
adsorption; hydrogel; swelling ratio; tannic acid
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Funding
- Postdoctoral Science Foundation of Central South University
- China Postdoctoral Science Foundation [2012M521559]
- Hunan Provincial Natural Science Foundation of China [12JJ6009]
- National Natural Science Foundation of China [31360161]
- Scientific Research Fund of Hunan Provincial Education Department [12C0289]
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Hydrogels were synthesized by using tannic acid (TA) as a chemical cross-linker for the copolymer of allylglycidyl ether and acrylamide. The swelling ratio of the hydrogels increased with increasing amount of TA and decreased with increasing amounts of allylglycidyl ether. The hydrogels exhibited pH sensitivity; the swelling ratio increased with pH. Adsorption experiments of the hydrogel for Cu (II) ions suggested that the hydrogels can be used as an adsorbent for removal of Cu (II) heavy metal ions from dilute aqueous solutions.
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