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Forever chemicals / Karl Flowers in INTERNATIONAL LEATHER MAKER (ILM), N° 50 (11-12/2021)

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inINTERNATIONAL LEATHER MAKER (ILM) > N° 50 (11-12/2021) . - p. 34-36

Titre :	Forever chemicals
Type de document :	texte imprimé
Auteurs :	Karl Flowers, Auteur ; Abigail Clare, Auteur
Année de publication :	2021
Article en page(s) :	p. 34-36
Langues :	Anglais (eng)
Catégories :	Auto-nettoyage Bioaccumulation Cuir Cuirs et peaux -- Industrie -- Aspect de l'environnement Ecotoxicologie Environnement -- Etudes d'impact Nanotechnologie Produits chimiques -- Toxicologie Substances per- et polyfluoroalkylées
Index. décimale :	675 Technologie du cuir et de la fourrure
Résumé :	Per- and polyfluorinated alkyl substances (PFAS), also known as "forever chemicals", are a group of more than 9,000 highly persistent synthetic chemicals. PFAS contain alkyl groups in which hydrogen atoms are replaced by fluorine. Industrial application and use of PFAS in consumer products commenced in the 1940s. These chemicals were used heavily until the early 2000s when researchers discovered they were environmentally damaging. PFAS do not easily degrade in the environment due to the highly stable carbon-fluorine bond, this strong bond is responsible for the persistent nature of PFAS that enables these chemicals to build up within the environnent and organisms. The carbon chains of the most common PFAS are fully fluorinated and are often attached to a functional group, such as a carboxylic or sulfonic acid. Common PFAS include perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS). The large diversity of PFAS substances results from the high variability in possible functional groups.
Note de contenu :	- PFAS in leather - Contamination and environmental impacts - Toxic impacts - Regulation - PFAS alternatives - Fig. 1 : The release of PFAS into the environment during a product's lifecycle - Fig. 2 : The spread and accumulation of PFAS in the environment - Fig. 3 : Nanotechnology providing a self-cleaning effect
En ligne :	https://drive.google.com/file/d/1c1br-cIoIwriimEGHeNpzWjvIBIjj_vG/view?usp=drive [...]
Format de la ressource électronique :	Pdf
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37071

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