Cost effective, high performance solutions for high temperature cured coatings / Fabiana Requeijo in PAINTINDIA, Vol. LXIII, N° 4 (04/2013)

[article]  inPAINTINDIA > Vol. LXIII, N° 4 (04/2013) . - p. 92-98 Titre : Cost effective, high performance solutions for high temperature cured coatings Type de document : texte imprimé Auteurs : Fabiana Requeijo, Auteur Année de publication : 2013 Article en page(s) : p. 92-98 Langues : Anglais (eng) Catégories : Encapsulation Matériaux -- Cuisson Oxyde de fer Pigments métalliques -- Effets des hautes températures Stabilité thermique Index. décimale : 667.2 Colorants et pigments Résumé : Standard Yellow Iron Oxides are the ideal inorganic pigments to develop a wide range of color shades due to the advantages in performance and cost provided by their high hiding power and opacity, excellent weather, light and chemical fastness and reduced price. But their use in high temperature cured Coatings such as coil, powder or stoving paints is limited. Why ? When Yellow Iron Oxides are submitted to high temperatures, their goethite structure (FeOOH) dehydrates and partially turns into hematite (Fe203), which is the crystal structure of Red Iron Oxides. This is why the standard Yellow Iron Oxide existing before curing becomes darker and browner (Picture 1). This change can already take place from temperatures close to 160°C depending on the curing time, the binder system and the Coating formulation itself. Note de contenu : - NUBIOLA'S HEAT RESISTANT INORGANIC PIGMENTS : Zinc ferrites, nubifer K series - Heat resistant yello iron oxide, nubifer Y-7050 - REPLACING PIGMENT BROWN 24 - REPLACING RED ORGANIC PIGMENTS - FORMULATING HIGH PERFORMANCE COATINGS WITH NUBIFER Y-7050 Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18856 [article]

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Developing 'green' water-based DTM coatings / Fabiana Requeijo in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 202, N° 4574 (07/2012)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 202, N° 4574 (07/2012) . - p. 14-15 Titre : Developing 'green' water-based DTM coatings Type de document : texte imprimé Auteurs : Fabiana Requeijo, Auteur ; Patricia Pérez, Auteur Année de publication : 2012 Article en page(s) : p. 14-15 Langues : Anglais (eng) Catégories : Anticorrosion Brillance (optique) Métaux -- Revêtements:Métaux -- Peinture Pigments Polyacryliques Revêtements décoratifs:Peinture décorative Revêtements en phase aqueuse:Peinture en phase aqueuse Index. décimale : 667.9 Revêtements et enduits Résumé : To provide good protection against corrosion as well as an aesthetic function, this article describes a zinc-free direct-to-metal coating that fits the bill. Directo-to-metal coatings (DTM) are single layer coatings that are applied on metal substrates and required to provide good protection against corrosion, as well as an aesthetic function, involving not only colour but often also high gloss. These coatings are widely used in the light industrial and Do It Yoursel (DIY)/decorative market segments, where emphasis on the environment has increased in recent years. Aware of the need to fulfil these three requirements (anticorrosive protection, aesthetic function and 'green' profile), Nubiola offers its zinc-free Nubirox 300 series for the development of water-based DTM coatings. Note de contenu : - The requirements for DTM coatings - What is gloss ? and how do pigments influence it ? - Water-based DTM coatings En ligne : https://drive.google.com/file/d/1wOsAfznC2om4HvfDCN0ZkqyEIvTAkfPy/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=15556 [article]

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Solutions for high temperature cured coatings / Fabiana Requeijo in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 203, N° 4589 (10/2013)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 203, N° 4589 (10/2013) . - p. 14-17 Titre : Solutions for high temperature cured coatings Type de document : texte imprimé Auteurs : Fabiana Requeijo, Auteur Année de publication : 2013 Article en page(s) : p. 14-17 Langues : Anglais (eng) Catégories : Hautes températures Oxyde de fer Oxyde de zinc Peinture poudre -- Séchage sous rayonnement ultraviolet Pigments inorganiques Index. décimale : 667.9 Revêtements et enduits Résumé : Cost effective, high performance solutions using yellow iron oxide and zinc ferrites can be achieved in powder coatings. Standard yellow iron oxides are the ideal inorganic pigments to develop a wide range of colour shades due to the advantages in performance and cost provided by their high hiding power and opacity, excellent weather, light and chemical fastness and reduced price. But their use in high temperature cured coatings such as coil, powder or stoving paints is limited. Why ? When yellow iron oxides are submitted to high temperatures, their goethite structure (FeOOH) dehydrates and partially turns into hematite (Fe2O3), which is the crystal structure of red iron oxides. This is why the standard yellow iron oxide existing before curing becomes darker and browner. This change can already take place with temperatures close to 160°C depending on the curing time, the binder system and the coating formulation itself. Note de contenu : - Heat resistant inorganic pigments - Replacing pigment brown 24 - Replacing red organic pigments - Formulating high performance coatings En ligne : https://drive.google.com/file/d/1LCAV-I3ckmVQtv5m9B8UX77VAbDIqpyX/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=20016 [article]

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