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Antibacterial Chitosan Fibres Containing Silver Nanoparticles

Research and development

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Abstract:

A method was developed for the preparation of chitosan staple fibres containing silver nanoparticles. An aqueous colloidal solution of PVA-encapsulated metallic silver with a particle size of 50-60 nm was admixed to the chitosan-containing spinning solution. From the mixed spinning solution, the fibre was spun by a wet method. The mechanical, electrical, antibacterial, morphological and structural properties of the silver-containing chitosan fibre are highlighted. With a silver content greater than 51 mg/kg, the fibre possessed antibacterial activity. The silver content did not deteriorate the tenacity of the fibre or cause a change in the molecular mass distribution. The impact of spinning conditions on the morphological properties was assessed by scanning electron microscopy (SEM) and atomic force microscopy (AFM). X-ray radiography (WAXS) showed the influence of spinning conditions on the supermolecular structure of the fibre.

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chitosan fibres, nanosilver, mechanical properties, morphology, crystallinity
degree.

Citation:

Wawro D, Stęplewski W, Dymel M, Sobczak S, Skrzetuska E, Puchalski M, Krucińska I. Antibacterial Chitosan Fibres with Content of Silver Nanoparticles. FIBRES & TEXTILES in Eastern Europe 2012; 20, 6B (96): 24-31.

Published in issue no 6B (96) / 2012, pages 24–31.

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