Pineapple leaf fiber (PALF) cellulose was used as the skeleton,acrylic acid (AA) and acrylamide (AM) served as monomers,and N,N-methylenebisacrylamide (MBA) and ammonium persulfate (APS) acted as the crosslinking agent and initiator,respectively,to prepare a graft copolymer pineapple leaf cellulose-based superabsorbent resin [PALF-g-P(AA-AM)] via aqueous solution polymerization.The optimal preparation conditions were determined through single-factor experiments.The structure,morphology,and thermal stability of the superabsorbent resin were characterized using FT-IR,SEM,and TG.Its water absorption and water retention properties were also examined.The results showed that the maximum water absorption of the superabsorbent resin prepared under optimal preparation conditions reached 795.25g/g in distilled water.The monomers were successfully graft-copolymerized onto PALF,and the prepared superabsorbent resin exhibited a stable crosslinked structure,good thermal stability,and excellent water absorption and retention performance.
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