Coefficients for Assessing the Visibility of Materials Used in Anti-Smog Face Masks

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dc.contributor.authorBrochocka, Agnieszka
dc.contributor.authorOwczarek, Grzegorz
dc.contributor.authorSzkudlarek, Joanna
dc.contributor.organizationCentral Institute for Labour Protection, National Research Institute, Department of Personal Protective Equipment, Warsaw, Poland
dc.date.accessioned2025-05-26T10:53:32Z
dc.date.available2025-05-26T10:53:32Z
dc.date.issued2022-10-12
dc.description.abstractThe application of phosphorescence for the modification of face mask materials is motivated by the need to appreciably increase their visibility while using graphical elements with a relatively small area. Phosphorescent dyes absorb part of the visible spectrum while emitting radiation at wavelengths that are longer than the absorbed ones. Thus, a phosphorescent substance can emit light even if it is not being illuminated at a given time (but was before). This paper describes studies of the optical properties based on parameters such as the reflectance coefficient, chromaticity coordinates, as well as luminance measured from digital images for two models of smog-protective face half-masks differing in terms of their inner layer with filtration properties and outer printed layer. The external surface of one mask type is printed with a phosphorescent solid star pattern, while the other with a phosphorescent open star pattern. The influence of the inner filter layer was assessed in correlation with the colour of the outer layer and the type of printing. Moreover, the phenomenon of phosphorescence was identified. The study resulted in developing a material with properties providing better visibility under defined use conditions.en
dc.description.sponsorshipThe publication is based on the results of Phase V of the multi-year program “Improvement of occupational safety and working conditions,” financed in the years 2020–2022 in the area of research and development by the Ministry of Science and Higher Education and the National Center for Research and Development. Program coordinator – the Central Institute for Labour Protection–National Research Institute.
dc.identifier.citationAgnieszka Brochocka, Grzegorz Owczarek and Joanna Szkudlarek. "Coefficients for Assessing the Visibility of Materials Used in Anti-Smog Face Masks". Fibres & Textiles in Eastern Europe Sciendo, 30, no. 3 (2022): 46-56. https://doi.org/10.2478/ftee-2022-0022
dc.identifier.doi10.2478/ftee-2022-0022
dc.identifier.issn1230-3666
dc.identifier.issn2300-7354
dc.identifier.urihttps://open.icm.edu.pl/handle/123456789/25899
dc.language.isoen
dc.publisherSciendo
dc.relation.ispartofseries30; 3
dc.rightsUznanie autorstwa-Użycie niekomercyjne-Bez utworów zależnych 3.0 Unporteden
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/
dc.sourceFibres & Textiles in Eastern Europe
dc.subjectspunbond nonwovenen
dc.subjectface half-masken
dc.subjectphosphorescent materialen
dc.subjectcoefficient of reflectanceen
dc.subjectchromaticity coordinatesen
dc.subjectluminanceen
dc.titleCoefficients for Assessing the Visibility of Materials Used in Anti-Smog Face Masksen
dc.typearticle
dc.type.versionpublishedVersion
person.identifier.orcidBrochocka, Agnieszka [0000-0003-3386-9629]
person.identifier.orcidOwczarek, Grzegorz [0000-0003-3744-6535]
person.identifier.orcidSzkudlarek, Joanna [0000-0002-8728-0118]
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