Poly(N‐vinylpyrrolidone‐co‐2‐acrylamido‐2‐methylpropanesulfonate sodium): Synthesis, characterization, and its potential application for the removal of metal ions from aqueous solution
作者： Hernán Valle , Julio Sánchez , Bernabé L. Rivas
DOI: 10.1002/APP.41272
关键词:
摘要: In the current study, poly(N-vinylpyrrolidone-co-2-acrylamido-2-methylpropanesulfonate sodium), poly(VP-co-AMPS), was prepared and used for removal of Cu2+, Cd2+, Ni2+ ions via a polymer-enhanced ultrafiltration (PEUF) technique. The copolymer synthesized by radical polymerization in an aqueous medium with comonomer feed composition 50:50 mol %. molecular structure elucidated ATR-FTIR 1H NMR spectroscopy, average weight obtained GPC. determined to be 0.42 VP 0.58 AMPS spectroscopy. homopolymers exhibited different retention properties metal ions. PAMPS high capacity all at both pH values studied. PVP selectivity nickel Poly(VP-co-AMPS) lower compared PAMPS. However, observed, copper cadmium increased PVP. homopolymer mixture containing inefficient studied © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41272.
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