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DOI: 10.5593/sgem2017/51/S20.004

A pH-, SALT- AND SOLVENT-RESPONSIVE POLY(SODIUM ACRYLATE)-CO-ACRYLAMID/PECTIN SUPERABSORBENT COMPOSITE

M.A. Dovbeta, V.E. Sitnikova, A.I. Ivanova, R.O. Olekhnovich, M.V. Uspenskaya
Wednesday 13 September 2017 by Libadmin2017

References: 17th International Multidisciplinary Scientific GeoConference SGEM 2017, www.sgem.org, SGEM2017 Conference Proceedings, ISBN 978-619-7408-08-9 / ISSN 1314-2704, 29 June - 5 July, 2017, Vol. 17, Issue 51, 23-30 pp, DOI: 10.5593/sgem2017/51/S20.004

ABSTRACT

In this work, synthesis and swelling of a superabsorbent hydrogel based on copolymer of acrylic acid and acrylamide filled with pectin were investigated. The structure, thermal stability, sorption capacity and morphologies of the developed composites were characterized by Fourier transform infrared spectroscopy (FTIR), thermogravimetric and differential scanning calorimetry analysis (TG-DSC), voltammetry and scanning electron microscopy (SEM). In addition, the swelling properties, and the stimuli-responsive behaviors of the composite in various medium were evaluated systematically. Studies and the analysis of absorption processes of lead ions from aqueous solutions showed that the pectin-containing polymer composite has high degree of affinity with of heavy metal ions. Developed pectin-containing hydrogel composite can be effectively used for removal from water solutions of toxic connections.

Keywords: hydrogel, superabsorbent, pectin, composite, waste treatment

PAPER DOI: 10.5593/sgem2017/51/S20.004, A pH-, SALT- AND SOLVENT-RESPONSIVE POLY(SODIUM ACRYLATE)-CO-ACRYLAMID/PECTIN SUPERABSORBENT COMPOSITE

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