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Luminous markers instead of holy grail / Alexander Baumann in KUNSTSTOFFE INTERNATIONAL, Vol. 112, N° 6 (2022)
[article]
Titre : Luminous markers instead of holy grail : Improved sorting of plastic waste with luminescent pigments Type de document : texte imprimé Auteurs : Alexander Baumann, Auteur ; Dominik Uhlich, Auteur ; Helmut Löw, Auteur ; Walter Braumandl, Auteur Année de publication : 2022 Article en page(s) : p. 39-43 Langues : Anglais (eng) Catégories : Dispositifs de tri
Luminescence
Marqueurs lumineux
Matières plastiques -- Déchets
Phosphorescence
Pigments à effets spéciauxIndex. décimale : 668.4 Plastiques, vinyles Résumé : The HolyGrail 2.0 Initiative aims to improve the sorting of plastic waste. For this purpose, digital watermarks containing information on packaging type, material, and usage will be applied on products. However, the method also has certain drawbacks. Here, luminescent pigments provide an alternative that is permanent and can withstand several processing cycles. Note de contenu : - Difficulties of HolyGrail 2.0
- Processing-resistant permanent markers
- Robust luminescent pigments
- Fluorescence or phosphorescence
- Four application areas for the batches
- Supply chain monitoring with blockchain
- Combining marker and HolyGrail
- Fig. 1 : The luminescent pigments are stimulated by light, and their emissions measured. Evaluation software is used to visualize the results
- Fig. 2 : By selecting certain marker point (marker set), an individual product marking can be defined. The set is stored, and can later be used for identification
- Fig. 3 : The masterbatches are added during the extrusion process as usual. Hereby, sensors ensure that the correct marker and the right quantity are involved
- Fig. 4 : The stored star pattern is specific for every packaging
- Fig. 5 : When using recyclates, the masterbatch quantity is adapted to the concentration of TagTec markers contained in the recyclate, thereby ensuring that this is matched precisely to the manufactured productEn ligne : https://drive.google.com/file/d/1EiMBgMxvzpj31I7ssVhij9VbzLltAGLK/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38102
in KUNSTSTOFFE INTERNATIONAL > Vol. 112, N° 6 (2022) . - p. 39-43[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23522 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : The color loop : Ensuring color consistency of recyled materials Type de document : texte imprimé Auteurs : Walter Braumandl, Auteur Année de publication : 2022 Article en page(s) : p. 50-51 Langues : Anglais (eng) Catégories : Couleur
Etalonnage
Matières plastiques -- Recyclage
Produits et matériaux recyclésIndex. décimale : 668.4 Plastiques, vinyles Résumé : The mass of recyclable plastic waste has been growing steadily for years. This is mainly the result of technical advances made in both processing and sorting. At the same time, the recycling targets set by the EU are piling more and more pressure on companies to increase the amount of recycled plastics in their products. This in turn is raising the requirements imposed on the recycled materials themselves. Aside from the nature of the polymer and the previous application, the color of the recycled material is important. Note de contenu : - Monitoring the color profile of the recycled materials
- Software-assisted calibration
- Color deviation for the referenceEn ligne : https://en.kunststoffe.de/a/specialistarticle/the-color-loop-2824977 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38000
in KUNSTSTOFFE INTERNATIONAL > Vol. 112, N° 5 (2022) . - p. 50-51[article]Réservation
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