Abstract
The semi-interpenetrating network (SIPN) based hydrogel was synthesized from katira gum and polyvinyl alcohol in an aqueous medium through cross-linking by glutaraldehyde. The structure and physical properties of hydrogel were assessed by 1H NMR, FTIR, TGA, XRD, and DSC. The morphological properties and surface charge of the preparations were studied by SEM and zeta potential, respectively. FTIR ascertained the formation of ether linkages in SIPN hydrogel and the alterations in the amorphous structure were revealed by XRD analysis. The thermograms also reflected the formation of effective cross-linkages in synthesized hydrogel as revealed by changes in peak positions of glass-transition temperature. Outcomes of the study disclosed that the SIPN hydrogel of katira gum could be synthesized by applying polyvinyl alcohol and glutaraldehyde. The developed SIPN may be potentially applied in drug delivery, tissue engineering, ion exchange, cell proliferation, dye removal, and heavy metal ions removal from wastewater.
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