CHITIN-BASED SUPERABSORBENT MATERIALS
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United States of America Patent
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Aug 8, 2024
app pub date -
Jul 1, 2022
filing date -
Jul 1, 2021
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Provided are a chitin-based superabsorbent materials and method of preparation thereof. The superabsorbent material comprises chitin crosslinked by an epoxy crosslinker, and guanidine attached to the crosslinked chitin. The preparation method includes dissolving chitin in an aqueous solvent to form a solution; reacting the dissolved chitin with an epoxy crosslinker and guanidine, or a salt thereof, thereby forming a hydrogel; and drying the hydrogel.
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