Micrometer and submicrometer cellulose fibers from co-electrospinning.
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Cellulose nanocrystals from aqueous suspension are difficulty to orient into a cellulose matrix. We report for the first time here how a co-electrospinning technique can be used to overcome such a problem. A homemade co-electrospinning apparatus were constructed using a hlgh voltage supply, concentric capillary needles, and just one pump syringe. Cellulose from bleached pulp of eucalyptus were dissolved in N-methyl morpholine oxide (NMMO) at 120 oC and diluted with dimethyl sulfoxide (DMSO) to be used in the externai needle as a sheath solutlon.
Palabras clave
Eletrofiação, Nanocristal, Nanocompósito, Electospinning, Celulose