Polymer Bulletin

, Volume 76, Issue 1, pp 303–322 | Cite as

Gamma radiation-induced preparation of poly(1-vinyl-2-pyrrolidone-co-sodium acrylate) for effective removal of Co(II), Ni(II), and Cu(II)

  • Ahmed Galal IbrahimEmail author
  • Alaaeldine Shaker Saleh
  • Emad Mohamed Elsharma
  • Essam Metwally
  • Tharwat Siyam
Original Paper


Clearing the water and wastewater from toxic heavy metals has received attentions from many researchers and scientists. In this study, poly(1-vinyl-2-pyrrolidone-co-sodium acrylate), P(VP-SA), was prepared by gamma radiation-induced copolymerization of VP and SA and utilized for the effective removal of cobalt(II), nickel(II), and copper(II) from their aqueous solutions. Effect of comonomer composition and concentration besides the adsorbed dose on the conversion percentage and the reduced viscosity was studied. The formed copolymer was characterized using Fourier transform infrared and gel permeation chromatography analysis, and the thermal stability was examined using thermogravimetric analysis. The influence of the adsorption conditions such as contact time, pH, copolymer concentration, and initial metal ion concentration on the metal ion binding capacity was tested. Pseudo-first-order, pseudo-second-order, and intraparticle diffusion adsorption models were used to explain the adsorption kinetics. Finally, the equilibrium adsorption data fitted well with Langmuir isotherm model, and the maximum adsorption amounts on P(VP-SA) copolymer calculated by Langmuir equation were 425.60, 93.01 and 450.81 mg g−1 for Cu+2, Ni+2, and Co+2, respectively.


Copolymerization 1-Vinyl-2-pyrrolidone Sodium acrylate Gamma radiation Chelating polymer 



Support of this study by the Department of Nuclear Chemistry, Atomic Energy Authority, Inshas, Egypt, is gratefully appreciated.

Supplementary material

289_2018_2379_MOESM1_ESM.tif (38 kb)
Fig. S1 GPC curve of P(VP-SA) copolymer ([VP] = 6% (V/V), [SA] = 2.6% (V/V), VP:SA = 7:3 and dose = 4 kGy) (TIFF 37 kb)
289_2018_2379_MOESM2_ESM.tif (18 kb)
Fig. S2 Adsorption kinetics of (a): Cu+2, (b): Ni+2, and (c): Co+2 onto P(VP-SA) copolymer by pseudo-first order (TIFF 17 kb)
289_2018_2379_MOESM3_ESM.tif (35 kb)
Fig. S3 Adsorption kinetics of (a): Cu+2, (b): Ni+2, and (c): Co+2 onto P(VP-SA) copolymer by pseudo-second order (TIFF 35 kb)
289_2018_2379_MOESM4_ESM.tif (35 kb)
Fig. S4 Adsorption kinetics of (a): Cu+2, (b): Ni+2, and (c): Co+2 onto P(VP-SA) copolymer by intraparticle diffusion (TIFF 35 kb)
289_2018_2379_MOESM5_ESM.tif (17 kb)
Fig. S5 Langmuir isotherm for the adsorption of (a): Cu+2, (b): Ni+2, and (c): Co+2 onto P(VP-SA) copolymer (TIFF 17 kb)
289_2018_2379_MOESM6_ESM.tif (14 kb)
Fig. S6 Freundlich isotherm for the adsorption of (a): Cu+2, (b): Ni+2, and (c): Co+2 onto P(VP-SA) copolymer (TIFF 13 kb)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Laboratory of polymers, Department of Chemistry, Faculty of ScienceAl-Azhar UniversityNasr City, CairoEgypt
  2. 2.Nuclear Chemistry Department, Hot Laboratories CenterAtomic Energy AuthorityInshas, CairoEgypt

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