Abstract
AbstractTerpolymer resins (2,4‐DHBPOF) were synthesized by the condensation of 2,4‐dihydroxybenzophenone and oxamide with formaldehyde in the presence of acid catalyst and using varied molar ratios of reacting monomers. Terpolymer resins composition has been determined on the basis of elemental analysis and the number average molecular weight of these resins was determined by conductometric titration in nonaqueous medium. Viscometric measurements in N,N‐dimethyl formamide have been carried out with view to ascertain the characteristic functions and constants. UV–visible, IR and NMR spectra were studied to elucidate the structure. The ion‐exchange study of the prepared resin was checked by batch equilibrium method with selected metal ions, Cu2+, Hg2+, Cd2+, Co2+, Zn2+, Ni2+, Pb2+, and Fe3+ at varying electrolyte concentration, pH and time. It is found that, resin can be used as ion exchanger. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009
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