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Hydrophilization of polyvinylidene fluoride (PVDF) nanofibers by plasma treatment and its effect on nanoparticle deposition

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KAŽIKOVÁ Veronika VIDA Július RYŠÁNEK Petr KORMUNDA Martin ČAPKOVÁ Pavla HOMOLA Tomáš

Rok publikování 2021
Druh Článek ve sborníku
Konference Proceedings 13th International Conference on Nanomaterials - Research & Application
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www https://doi.org/10.37904/nanocon.2021.4325
Doi http://dx.doi.org/10.37904/nanocon.2021.4325
Klíčová slova DCSBD plasma source; Iron oxide nanoparticles; PVDF; Water contact angle; Wettability
Popis Polyvinylidene fluoride (PVDF) polymeric nanofibers deposited by roller electrospinning on polypropylene non-woven fabric were treated with atmospheric pressure plasma to hydrophilize its surface. Diffuse coplanar surface barrier discharge (DCSBD) was employed to generate low-temperature atmospheric plasma in ambient air. Changes in wettability were determined by evaluating water contact angles before and after plasma treatment for various treatment times. The effect of aging of plasma-treated surfaces stored in laboratory conditions was studied in the course of storage time. The chemical composition of the surfaces was determined by X-ray photoelectron spectroscopy (XPS) which showed a decrease in carbon and an increase in oxygen atomic concentrations. Subsequently, significant differences in loading of iron oxide nanoparticles between treated and untreated PVDF samples were observed by scanning electron microscopy.
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