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Synthesis, characterization, and catalytic activity of 4 mol % N , N ′‐methylene bisacrylamide crosslinked poly(acrylic acid)–metal complexes
Author(s) -
John Magi,
Jose Jincy,
Mathew Beena
Publication year - 2004
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.13663
Subject(s) - catalysis , polymer chemistry , hydrolysis , acrylic acid , chemistry , metal ions in aqueous solution , metal , polymerization , ligand (biochemistry) , methylene , kinetics , nuclear chemistry , inorganic chemistry , copolymer , organic chemistry , polymer , biochemistry , physics , receptor , quantum mechanics
Abstract The metal‐ion complexation behavior and catalytic activity of 4 mol % N , N ′‐methylene bisacrylamide crosslinked poly(acrylic acid) were investigated. The polymeric ligand was prepared by solution polymerization. The metal‐ion complexation was studied with Cr(III), Mn(II), Fe(III), Co(II), Ni(II), Cu(II), and Zn(II) ions. The metal uptake followed the order: Cu(II) > Cr(III) > Mn(II) > Co(II) > Fe(III) > Zn(II) > Ni(II). The polymeric ligand and the metal complexes were characterized by various spectral methods. The catalytic activity of the metal complexes were investigated toward the hydrolysis of p ‐nitrophenyl acetate (NPA). The Co(II) complexes exhibited high catalytic activity. The kinetics of catalysis was first order. The hydrolysis was controlled by pH, time, amount of catalyst, and temperature. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 92: 272–279, 2004