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The use of levulinates as coalescing agents in water-based coatings / Steve Block in SURFACE COATINGS INTERNATIONAL, Vol. 105.1 (01-02/2022)  

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 105.1 (01-02/2022) . - p. 48-51 Titre : The use of levulinates as coalescing agents in water-based coatings Type de document : texte imprimé Auteurs : Steve Block, Auteur Année de publication : 2022 Article en page(s) : p. 48-51 Langues : Anglais (eng) Catégories : Agents coalescents Coalescence (Sciences physiques) Lévulinates Revêtements en phase aqueuse -- Additifs Index. décimale : 667.9 Revêtements et enduits Résumé : The need to develop and implement affordable and sustainable large-scale operations for the conversion of renewable resources to chemical building blocks is becoming increasingly urgent and essential in reducing global dependence on fossil fuels, including the critical aspect of minimising our carbon footprint. NXTLEVVEL Biochem has successfully implemented commercial scale manufacturing of second-generation biomass-derived chemicals, with navel technologies in bio-solvents based on the conversion of biomass to derivatives of levulinic acid, originally developed by GFBiochemicals. Products that are now commercially available include ethyl levulinate (NXT SOLV 100), butyl levulinate (NXT SOLV 200), levulinate propanediol ketal (NXT SOLV 300) and levulinate glycerol ketal (NXT SOLV 400). Levulinic acid derivatives are considered key technologies for moving towards petrochemical-free chemistry, but commercial-scale production has long been hampered by the chicken and egg story between capital investment and market demand. Produced from agricultural waste, derivatives of levulinic acid such as butyl levulinate and ethyl levulinate propanediol ketal can be used as sustainable alternatives to materials such as 2,2,4-trimethy1-1,3-pentanediol monoisobutyrate (Eastman Texanor), 2,2-dimethy1-1-(methylethyl)-1,3- propanediylbis(2-methylpropanoate) (Eastman Optifilm°°' Enhancer 400) and triethylene glycol bis(2-ethylhexanoate) (Dowanor DPnB). Note de contenu : - The technology - The four pillars - Application testing - Responding to the market - Health, safety and environmental impact - Table 1 : Properties of coalescing agents - Table 2 : Comparative performance of coalescing agents in Neocryl A-6099 - Table 3 : Comparative performance of coalescing agents in Zeffle SE-310 - Table 4 : Comparative performance of coalescing agents in Neocryl XK 170 - Table 5 : Health and environmental profile of coalescing agents En ligne : https://drive.google.com/file/d/1v9ABymW_wZoWjGc940ZYZnb4Vu6QcGdc/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37057 [article]

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An introduction to industrial metal finishing - Part 1 / Graham Armstrong in SURFACE COATINGS INTERNATIONAL, Vol. 105.1 (01-02/2022)  

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 105.1 (01-02/2022) . - p. 38-40 Titre : An introduction to industrial metal finishing - Part 1 Type de document : texte imprimé Auteurs : Graham Armstrong, Auteur Année de publication : 2022 Article en page(s) : p. 38-40 Langues : Anglais (eng) Catégories : Ateliers de peinture industrielle Dépôt par pulvérisation Métaux -- Revêtements Peinture au pistolet Revêtements -- Finition Revêtements organiques Système de pulvérisation (technologie) Traîtements de surface Index. décimale : 667.9 Revêtements et enduits Résumé : In general, the term ‘industrial finishing' refers to the process of painting a product in a factory environment. The paint process at the end of a production line is arguably as important as the design of the product itself, because the coating system not only sells the product by its appearance, but is typically fundamental to the product's useful lifetime. No matter what the product to be coated is, the design of the finishing process has to consider three phases : surface preparation, the application of any surface treatment and the application of the coating(s) coupled with the appropriate drying/curing process. Note de contenu : - Surface preparation and surface treatment - Organic finishes - Inorganic coatings - The spray gun - Coating preparation - Conventional air spray - HVLP/Compliant spray - Airless spray - Air assisted airless spray - Electrostatic spray - Spray booths En ligne : https://drive.google.com/file/d/1lIvYt3Mb_8lgcKQ2IbgBSorWLbkCvYsy/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38875 [article]

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Surface Coatings International vol. 105.1 URL