Journal
MATERIALS
Volume 13, Issue 18, Pages -Publisher
MDPI
DOI: 10.3390/ma13183971
Keywords
poly(lactide); nonwovens; melt-blown; antimicrobial material; polyamides; copper; magnetron sputtering; antibacterial activity; composite
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Funding
- Polish Ministry of Science and Higher Education
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The paper presents the method of synthesis; physico-technical and biological characterization of a new composite material (PLA-Cu-0) obtained by sputter deposition of copper on melt-blown poly(lactide) (PLA) non-woven fabrics. The analysis of these biofunctionalized non-woven fabrics included: ultraviolet/visible (UV/VIS) transmittance; scanning electron microscopy/energy-dispersive spectroscopy (SEM/EDS); attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy; ability to block UV radiation; filtration parameters (air permeability); and tensile testing. The functionalized non-woven composite materials were subjected to antimicrobial tests against colonies of Gram-negative (Escherichia coli), Gram-positive (Staphylococcus aureus) bacteria and antifungal tests against the Chaetomium globosum fungal mould species. The antibacterial and antifungal activity of PLA-Cu-0 suggests potential applications as an antimicrobial material.
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