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. 2018 Dec 27;11(1):35. doi: 10.3390/polym11010035

Figure 8.

Figure 8

(a) The swelling degree for the different hydrogels after synthesis. (b) The swelling degree for three selected hydrogels after consecutive swelling and drying cycles. The legend includes the ECH and lignin additions for the crosslinking reaction. Low lignin addition represented the 87.5/12.5 mL polysaccharide solution/mL lignin solution and the high lignin addition 75.0/25.0 mL polysaccharide solution/mL lignin solution.