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The understanding of the state of dissolution of cellulose in a certain solvent is a critical step forward in the development of new efficient solvent systems for cellulose. Nevertheless, obtaining such information is not trivial. Recently, polarization transfer solid-state NMR (PTssNMR) was shown to be a very promising technique regarding an efficient and robust characterization of the solution state...
The self-diffusion of water sorbed in cellulose fibers was investigatedby means of NMR during slow drying in order to follow changes in the celluloseporous structure. In pulp fibers pores with at least one dimension on theμm scale were observed at high amounts of sorbed water and nm-scale pores atlow amounts. Beating affected the μm-scale pores. Regenerated cellulosefibers had nm-scale pores up to...
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