Investigating Surgical Mask Thermal Degradation via X‐Ray Techniques for Efficient Reuse
Source abstract
Abstract
Abstract The Covid‐19 crisis has led to a massive surge in the use of surgical masks worldwide, causing risks of shortages and high pollution. Reusing the masks may be promising to reduce such risks, especially since various decontamination techniques are being investigated. In this study, the thermal degradation of surgical masks was investigated using X‐ray‐based techniques such as XRD and XPS. Additional characterization was performed using scanning electron microscopy and contact angle measurements. XRD experiments reveal an increase in both crystal size and crystallinity of the mask with temperature until it is destroyed at 160 °C. However, XPS results show that there was no significant change in the surface chemistry of the mask, as no other chemical element has been detected in the mask heated up. Breathability has been proven compliant with standards until 150 °C.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Healthcare and Environmental Waste Management · Medical Device Sterilization and Disinfection · Advanced X-ray and CT Imaging
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Univ Lyon Ecole Centrale de Lyon CNRS INSA Lyon Université Claude Bernard Lyon 1, CPE Lyon, INL, UMR 5270 69130 Ecully France
Université de Lyon, LTDS (UMR5513) Ecole Centrale de Lyon 69134 Ecully France
Mines Saint-Etienne Université Jean Monnet Saint-Etienne, INSERM, SAINBIOSE U1059, Centre CIS F-42023 Saint-Etienne France
CIRI Centre International de Recherche en Infectiologie GIMAP team Université de Lyon, Inserm, U1111 CNRS, UMR5308, ENS Lyon Université Claude Bernard Lyon 1 69364 Lyon France
Faculty of Medicine Université Jean Monnet St-Etienne Saint-Étienne 42000 St-Etienne France
Department of Infectious Agents and Hygiene University Hospital of St-Etienne 42000 St-Etienne France
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