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2. Materials used in masks
2.1 The role of polymers
Certain polymers are generally used for mask fibers, such as polypropylene, polyethylene, polyesters, polyamides, polycarbonates and polyphenylene oxide. Certain fluorinated polymers are also used, such as tri-fluoro-chloro-ethylene. Hydrophobic, non-absorbent thermoplastic polymers with a slippery feel are more suitable for application . Polypropylene fiber is used because of its non-absorbent properties for basic medical masks, and it does not absorb moisture
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Materials used in masks
Mask manufacturing methods
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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