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Resins with the ability to bind copper and uranyl ions
Author(s) -
Rivas Bernabé L.,
Pereira Eduardo,
Jara Miguel,
Esparza Carolina
Publication year - 2005
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.22564
Subject(s) - uranyl , imidazole , acrylic acid , polymer chemistry , polymerization , chemistry , fourier transform infrared spectroscopy , copper , nuclear chemistry , polyelectrolyte , ion , organic chemistry , chemical engineering , polymer , copolymer , engineering
Crosslinked poly(1‐vinyl imidazole‐ co ‐acrylic acid) and crosslinked poly(1‐vinylmidazole‐ co ‐2‐acrylamido‐2‐methyl‐1‐propanesulfonic acid) were synthesized by radical polymerization and characterized by elemental analysis and FTIR spectroscopy. The polymerization yields were 79 and 99%, respectively. The metal ion binding properties for copper(II) and uranium(VI) were studied under noncompetitive and competitive conditions by Batch equilibrium procedure. The resin crosslinked poly(1‐vinyl imidazole‐ co ‐acrylic acid) showed a higher dependence on pH than crosslinked poly(1‐vinylmidazole‐ co ‐2‐acrylamido‐2‐methyl‐1‐propanesulfonic acid). The retention of uranyl ions for the latter resin was close to 100% at pH 5.0. The higher maximum retention capacity was close to 0.8 mmol/g dry resin at pH 5.0. Regeneration of the resin was possible by treatment with basic eluent. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 99: 706–711, 2006