Figure 4.

Study on the synthesis and performance of cellulose-based SAPs: (A) Conversion of cellulose-based superabsorbent polymers into hydrogels via physical methods. (B) Swelling behavior and absorption capacity of cellulose-based SAPs in deionized water over time (t). (C) (A) Thermogravimetric analysis of cellulose-based SAPs. (B) Evaluation of the effect of repeated swelling cycles (A) of the dried sample in deionized water on the weight (B) and absorption capacity (C) of the cellulose-based superabsorbent polymer. Reproduced with permission from ref. [48] © 2022 Canadian Society for Chemical Engineering.