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Towards a smaller footprint / Eva Tejada in EUROPEAN COATINGS JOURNAL (ECJ), N° 12 (12/2022)
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Titre : Towards a smaller footprint : Contributing to the development of more sustainable solutions for wood coatings Type de document : texte imprimé Auteurs : Eva Tejada, Auteur ; Daniel Steinke, Auteur Année de publication : 2022 Article en page(s) : p. 32-37 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Biomatériaux
Bois -- Revêtements
Durée de vie (Ingénierie)
Gaz à effet de serre -- Réduction
Réticulants
Revêtement monocomposant
Revêtements bi-composant
Revêtements en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : With the EU Green Deal targeting climate neutrality by 2050, the need to reduce the environmental impact of industrial processes like wood coatings is increasing. Using tools like the life cycle assessment (LCA), we demonstrate how water-borne polyurethane systems can help us to reduce the carbon footprint of wood coatings in comparison to two component solvent-borne polyurethanes. We highlight the latest developments, such as a hardener ("Bayhydur quix") which can additionally contribute to a significant reduction of the environ-mental footprint in a high-performance wood coating system by accelerating the drying process. We also present different available solutions for further reducing CO, emissions by using partially bio-based raw materials, both for solvent-borne and water-borne technologies. Note de contenu : - Carbon footprint comparison of solvent-borne vs water-borne coatings
- Systems description and calculation assumptions
- Results and discussions
- Bio-based raw materials
- Note : limitation of the study
- Table 1 : Wood coating systems used in this study based on formulations given by Hesse : 2K solvent-borne aliphatic polyurethane (2K SB PU), standard 2K water-borne polyurethane (2K WB PU) and fast-drying 2K water-borne polyurethane using "Bayhydur quix" as hardener (2K WB PU hardener)
- Table 2 : Characteristics of some examples of partially bio-based polymers available for wood coatings
- Table 3 : Performance of a 1K and 2K partially bio-based wood coatingPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38529
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