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Dissolution and Gelation of Cellulose in TBAF/DMSO Solutions: The Roles of Fluo...
Östlund, Åsa; Lundberg, Dan; Nordstierna, Lars; Holmberg, Krister; Nydén, MagnusSolutions of cellulose in a mixture of tetrabutylammonium fluoride and dimethyl sulfoxide (TBAF/DMSO) containing small and varying amounts of water were studied by nuclear magnetic resonance (NMR). By measuring the composition dependences of 19F NMR and 1H NMR chemical shifts and line widths, details on the dissolution and gelation mechanisms for cellulose in TBAF/DMSO were elucidated. Our results suggest that ...
Data: 2009
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Origem: Estudo Geral - Universidade de Coimbra
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