Keeping the smell in / Carl-Christoph Höhne in KUNSTSTOFFE INTERNATIONAL, Vol. 112, N° 6 (2022)  

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 112, N° 6 (2022) . - p. 28-31 Titre : Keeping the smell in : Method to prevent odor emission from plastic recyclates Type de document : texte imprimé Auteurs : Carl-Christoph Höhne, Auteur ; Andreas Menrath, Auteur ; Rudolf Pfaendner, Auteur ; Elke Metzsch-Zilligen, Auteur ; Bianca Lok, Auteur Année de publication : 2022 Article en page(s) : p. 28-31 Langues : Anglais (eng) Catégories : Analyse sensorielle Caractérisation Construction sandwich Matières plastiques -- Additifs Matières plastiques -- Moulage par injection multicomposant Matières plastiques -- Odeurs Odeurs -- Lutte contre Produits et matériaux recyclés Zéolites Index. décimale : 668.4 Plastiques, vinyles Résumé : Plastic recyclates and plastics containing natural materials often have an unpleasant odor. This is not only a problem during production – it also severely limits the application range of the plastics concerned. However, an odor barrier layer with special additives can significantly reduce odor release. Note de contenu : Plastic recyclates and plastics containing natural materials often have an unpleasant odor. This is not only a problem during production - it also severely limits the application range of the plastics concerned. However, an odor barrier layer with special additives can significantly reduce odor release. - Fig. 1 : Production process for the sandwich component : two-component injection molding enables the production of the components. However, due to the molten state of the polymers, odorants migrate from the core into the skin during processing - Fig. 2 : Sensory characterization of the odor release of the core material from PP recycled sandwich test specimens with an odor barrier layer (storage at 80 °C) : it is clear that odor reduction is highly dependent on the material and additive, its location and the amount used - Fig. 3 : Odor release of sandwich test specimens, with PS core material made from fishing sector recyclates and odor barrier layer (storage at 80 °C): the best effect can be achieved with hydrophilic zeolite - Fig. 4 : Characterization of odor release from PE lignin sandwich test specimens with odor barrier layer (storage at 80 °C) : hydrophilic zeolite is proving to be the additive of choice for reducing lignin odor En ligne : https://drive.google.com/file/d/1YI98DWTZ0w_TUK3NhSAuNkgzw7Wjpnme/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38099 [article]

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