Abstract
This study prepared microcrystalline cellulose (MCC) from the Para rubber leaves (RL) via mechanical and chemical treatments in order to reduce the amount of waste RL by making it a value added product. The obtained MCC had a cellulose content of 61 % with a high crystallinity index of 67.35 %. The MCC-graft-polyacrylate (MCC-g-PA) was then prepared using N,N′-methylenebisacrylamide (MBA) at 0.05 wt% of acrylic acid via radical polymerization, and was then used as an additive in PA superabsorbent polymers (SAP). The presence of 0.05 g MCC-g-PA in PA (0.1 g) was found to exhibit a 1.17-fold greater water absorbency than the neat PA SAP, which was due to the increased level of hydroxyl and carboxylate groups from the added MCC-g-PA. The MCC-g-PA/PA SAP exhibited a similar reusability to the commercial SAP and could be degraded via cellulase and laccase enzymes.
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More From: International Journal of Biological Macromolecules
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