Bright prospects / Dennis Menne in SURFACE COATINGS INTERNATIONAL, Vol. 104.1 (01-02/2021)  

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 104.1 (01-02/2021) . - p. 38-41 Titre : Bright prospects Type de document : texte imprimé Auteurs : Dennis Menne, Auteur ; Guido Streukens, Auteur ; Marcel Inhestern, Auteur Année de publication : 2021 Article en page(s) : p. 38-41 Langues : Anglais (eng) Catégories : Basses températures Economies d'énergie Formulation (Génie chimique) Impression par transfert Matériaux pour les industries agro-alimentaires Polyuréthanes Réticulants Revêtements organiques Revêtements poudre Thermocinétique Index. décimale : 667.9 Revêtements et enduits Résumé : Polyurethane-based powder coatings have long been known for their high crosslinking density combined with very good mechanical properties in the coating. They are therefore ideally suited for anti-graffiti applications and coatings for heat transfer printing. In addition to these classical applications, this review article describes new developments in the area of polyurethane powder coatings. These include optimisation of matting and food contact applications, as well as challenges in the area of low-temperature curing. The development of coating formulations is strongly influenced by legislation, and the VOC Directive is particularly relevant for the coatings industry.The explicit goal is to reduce, or even eliminate altogether, solvents as major components of a coating formulation or as a vehicle for uptake of essential components. This trend has significantly accelerated the development of, for example, waterborne coatings and high solid systems. Of these environmentally compatible technologies, powder coatings are among the fastest growing coating systems. Note de contenu : - Regulations and cost efficiency - Global differences in powder technologies - Externally blocked crosslinkers - Internally blocked crosslinkers - High-performance in anti-graffiti applications - Heat-transfer printing - Optimising and controlling matting - Polyurethane-enhanced hybrid powder coatings - Curing at lower temperatures - Polyurethane powders for food contact - Highly promising new developments and energy saving En ligne : https://drive.google.com/file/d/1FAhzOzjCWw5d_cCGzMnScKUqn0PoRlE5/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35997 [article]

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Solutions for polyurethane can coatings / Guido Streukens in EUROPEAN COATINGS JOURNAL (ECJ), N° 7-8 (07-08/2021)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 7-8 (07-08/2021) . - p. 24-28 Titre : Solutions for polyurethane can coatings : PU coating solutions for direct food contact and cosmetic packaging applications Type de document : texte imprimé Auteurs : Guido Streukens, Auteur ; Marcel Inhestern, Auteur ; Dennis Menne, Auteur ; Dörte Wessels, Auteur Année de publication : 2021 Article en page(s) : p. 24-28 Langues : Anglais (eng) Catégories : Agents de blocages Aliments -- Emballages Cosmétiques -- Emballages Formulation (Génie chimique) Polyuréthanes Réticulants Revêtement monocomposant Revêtements organiques Index. décimale : 667.9 Revêtements et enduits Résumé : Can coatings ensure zero interaction between a metal container and its contents and market the product with an appealling external appearance. Add regulatory requirements and to reduce solventborne systems and efficient processing demands into the mix and the options become limited. A new range of innovative hardeners for PUR powder and liquid coatings present a viable solution and the resulting coatings offer performance to compete epoxy-based systems. Note de contenu : - Efficient processing requires fast curing speeds - Improved processability with novel hardener - Liquid 1K PUR can coatings - Stable and regulation-compliant solution - Fig. 1 : Layers of different can coatings - Fig. 2 : Blocking agent related curing settings - Fig. 3 : Reaction mechanism of curing with DEM-blocked crosslinkers - Fig. 4 : Functionality of blocked PUR crosslinkers for powder coatings - Fig. 5 : Liquid hardeners versus PUR powder hardener - Table 1 : The basic needs for can coatings can be summarised into four general categories - Table 2 : Coating formulation for interior food packaging En ligne : https://drive.google.com/file/d/1KciiqNrK5a0JHA34niUOTHZZ6uhZ52YP/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36047 [article]

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