Journal
CARBOHYDRATE POLYMERS
Volume 72, Issue 4, Pages 608-615Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2007.10.009
Keywords
polysaccharide; crosslinked polymers; FTIR; SEM; swelling behavior
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In the present communication, the synthesis and characterization of Okra mucilage, a food grade and water-soluble polysaccharide, based-materials are described. Okra mucilage has been modified by grafting acrylamide (AAm) for developing the new green polymeric materials of specialty applications. Grafting has been done under N-2 atmosphere using redox initiator and hydrogels were prepared by using N,N-methylenebisacrylamide (NN-MBAAm) as crosslinker. The effect of monomer concentration, initiator concentration, reaction time and temperature in terms of grafting efficiency (%GE), percent grafting (PG) and percent gel (%G) has been investigated. The grafted polymers and hydrogels were characterized by SEM, XRD and FTIR techniques to study various structural aspects. The swelling behavior of the crosslinked polymeric material has also been studied as a function of time, temperature and pH. The application area of these polymers is varied from biomaterials to the wastewater treatment. (c) 2007 Elsevier Ltd. All rights reserved.
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