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Cellulose aerogel based on cationic cellulose nanofibrils (Q-CNF) with surface rich in trimethylammonium chloride functional groups was prepared by freeze drying and chemical crosslinking with an aliphatic triisocyanate. The aerogel, in the form of a rigid porous material, was shown to be an efficient adsorbent for anionic dyes and exhibited strong resistance to disintegration in water. The adsorption...
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