Synthesis of new superabsorbent hydrogel based on lignin

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Research Paper 01/04/2014
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Synthesis of new superabsorbent hydrogel based on lignin

Mohammad Sadeghi, Esmat Mohammadi Nasab, Fatemeh Shafiei, Mohammad Javad Khodabakhshi, Laleh Mansouri, Hadis Shasavari
J. Bio. Env. Sci.4( 4), 27-31, April 2014.
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Lignin as a polysaccharide has been chemically modified by graft copolymerization of 2-hydroxyethylmethacrylate (HEMA) an aqueous medium using ammonium persulfate (APS) as an initiator under argon atmosphere. Evidence of grafting was obtained by comparison of FTIR and TGA spectra of initial substrates and superabsorbent hydrogel. Moreover, morphology of the samples was examined by scanning electron microscopy (SEM).


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