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Fabrication and characterization of electrospun bionanocomposites of poly (vinyl alcohol)/ nanohydroxyapatite/cellulose nanofibers

The aim of the present study was preparation, optimization, and systematic characterization of
electrospun bionanocomposite fibers based on polyvinyl alcohol (PVA) as matrix and nanohydroxy
apatite (nHAp) and cellulose nanofibers (CNF) as nanoreinforcements. The presence of nHAp and
nHAp-CNF affected the morphology of electrospun mats and reduced fiber diameter, particularly at a
higher content of nanofillers. The obtained results of FTIR, DSC, and WAXS proved the crystallinity
reduction of electrospun nancomposites. Both nHAp and nHAp-CNF addition led to a significant increase
of Young modulus with the highest stiffness for nanocomposite fibers at 10 wt% of nHAp and 3 wt% of

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