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7. Conclusions
Due to the consequences of COVID-19, the public's attention is drawn to the application of face masks to protect against viruses. To this end, productive information on face masks in terms of starting materials, primary and advanced processing, filtration mechanisms and related application tests required has been taken into account.
In this article, the weaknesses and strengths of the various types of protective masks were analyzed. Filtration efficiency, penetration mechanisms and parameters influencing these elements were carefully studied. The study also presented various techniques for quality control and processing of face masks.
In this respect, it has been shown that fabric masks and surgical masks are not very effective at penetrating nanoparticles, and that the range of effectiveness remains close to that of micrometric particles....
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Bibliography
Bibliography
Standards and norms
- Respiratory protection devices – Particle filtering half-masks – Requirements, testing, marking - NF EN 149 + A1 - 09/09
- Acoustics – Isosonic level calculation method - ISO 532 - 1975
Regulations
Law no. 83-634 of July 13, 1983 on rights and obligations... (consolidated version of March 3, 2002)
Décret n° 2000-44 du 13 janvier 2000 portant... (consolidated version as of October 5, 2007) JO n° 11 du 14 janvier 2000 page 369 NOR : FPPA9910013D.
Patents
Cerium electrolytic oxidation process and electrolysis unit for its implementation CA2582058.
Patent N202031044170 was filed on December 4, 2020 by Sankha Dey, Sarthak Chatterjee, Saikat Pal, and Dr. Biswarup Neoget. Title: Anti-COVID-19 mask with integrated eye, nose and mouth protection alarm system.
Patent CN111194953 filed May 26, 2020; entitled: The high-temperature anti-virus...
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
AHG MEDICAL (Atelier de Haute Garonn) https://auriol-masques.fr/
BIOSERENITY https://www.bioserenity.com/
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