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PVA/CA based electrospun nanofibers: Influence of processing parameters in the fiber diameter

Teixeira, M A ; Amorim, M T P ; Felgueiras, H P

IOP conference series. Materials Science and Engineering, 2019-10, Vol.634 (1), p.12040 [Periódico revisado por pares]

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Título:
PVA/CA based electrospun nanofibers: Influence of processing parameters in the fiber diameter
Autor: Teixeira, M A ; Amorim, M T P ; Felgueiras, H P
Assuntos: Acetic acid ; Cellulose acetate ; Distilled water ; Electrospinning ; Nanofibers ; Process parameters
É parte de: IOP conference series. Materials Science and Engineering, 2019-10, Vol.634 (1), p.12040
Descrição: Recently, the electrospinning technique has been explored as a natural and synthetic polymer processing tool due to its versatility and potential to generate complex structures at a nanoscale. In this work, non-woven nanofibrous mats were electrospun, with a structure resembling the extracellular matrix, for prospective biomedical uses. Poly (vinyl alcohol) (PVA) and cellulose acetate (CA) based electrospun nanofibrous meshes were prepared at different ratios 100/0, 90/10, 80/20 and 70/30 and characterized in terms of fiber diameter. The process was kept as green as possible by resorting to a combination of acetic acid and distilled water as solvents. Optimal conditions for PVA/CA processing were established at 29 kV, feeding rate of 0.8 mL/h and distance between needle and collector of 17 cm. These allowed for the most uniform fibers with the smallest diameters to be produced.
Editor: Bristol: IOP Publishing
Idioma: Inglês

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