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Abstract | Cited by

Unreported ureido cross-linked chitosans were obtained employing the CO2–chitosan–ionic liquid three component system. Under the conditions used, the greenhouse gas functions as a safe cross-linking agent of the biopolymer thanks to the solvent-catalytic effect of [bmim][OAc].

Graphical abstract: Access to cross-linked chitosans by exploiting CO2 and the double solvent-catalytic effect of ionic liquids

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