Ionic liquids (ILs) are promising solvents for the treatment and processing of cellulose as well as many other biopolymers. Despite the discovery of numerous ILs capable of dissolving varying amounts of cellulose, a detailed understanding of the dissolution process in ILs is still lacking. In this study, a new approach, Raman spectral mapping, is employed to investigate the kinetics of cellulose (cotton yarn) dissolution in ILs. To elucidate the interplay of kinetic (viscosity) and thermodynamic (solvation) factors in the dissolution process, the treatment temperature, IL chemical structure, and IL composition are systematically varied. The results are discussed within the framework of the current understanding of polymer dissolution.

Dissolution kinetics of cellulose in ionic liquids: Raman spectral mapping

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.