Moreover, the swelling ratio of C/G3 hydrogel has been exhibiting an increasing trend, which is due to the hydrolytic breakage of ester groups dominating the alkaline environment, lessening the extent of cross-linking and making the hydrogel of the network structure looser, giving rise to a noticeable augment in the swelling ratio.
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Eco-Friendly Semi-Interpenetrating Polymer Network Hydrogels of Sodium Carboxymethyl Cellulose/Gelatin for Methylene Blue Removal.
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Nonetheless, the removal ratio will exhibit a decreasing trend. 3.7.4.