Advanced light stabilizers for the next century's needs / Jonathan Rogers in COATINGS TECH, Vol. 4, N° 2 (02/2007)  

[article]  inCOATINGS TECH > Vol. 4, N° 2 (02/2007) . - p. 82-86 Titre : Advanced light stabilizers for the next century's needs Type de document : texte imprimé Auteurs : Jonathan Rogers, Auteur ; Brett Moyer, Auteur ; Greg Kalscheur, Auteur ; Norbert Emig, Auteur Année de publication : 2007 Article en page(s) : p. 82-86 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 667.9 Revêtements et enduits Résumé : Today's coatings industry is driven by three main factors: technological advancement, environmental compliance, and economical performance. Light stabilizer chemistry has advanced over the years and has entered a new era with the introduction of products relating to these factors. Advanced triazines take advantage of the known high epsilon values as well as photopermanence and have extended now to longer wavelengths with even higher absorption characteristics. The latest hindered amine light stabilizers (HALS) are able to react into resin technologies so that their migration is limited to the layer they are intended to protect. Finally a new technology has been developed to render these intrinsically hydrophobic chemistries compatible with water for enhanced performance and ease of use in today's low-VOC systems. En ligne : https://drive.google.com/file/d/1pSBTiG4bRqkQMs48HfEBfCdUZPfWpD2W/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3603 [article]

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Formulating coatings with silver-based antimicrobials : a systematic approach / Kurt Davidson in COATINGS TECH, Vol. 4, N° 1 (01/2007)  

[article]  inCOATINGS TECH > Vol. 4, N° 1 (01/2007) . - p. 56-62 Titre : Formulating coatings with silver-based antimicrobials : a systematic approach Type de document : texte imprimé Auteurs : Kurt Davidson, Auteur ; Brett Moyer, Auteur ; Kumar Ramanathan, Auteur ; Andrea Preuss, Auteur ; Barbara Pomper, Auteur Année de publication : 2007 Article en page(s) : p. 56-62 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antimicrobiens Argent Formulation (Génie chimique) Revêtements -- Propriétés physiques Revêtements organiques Index. décimale : 667.9 Revêtements et enduits Résumé : Silver-based antimicrobials have increased in popularity due to their high efficacy against bacteria and low ecotoxicity. There is growing interest in using them for antimicrobial coatings. However, formulation of these products into traditional coating systems can present some unique challenges, including film discoloration, loss of gloss, poor rheology, and shelf stability. This article presents a systematic study of the incorporation of silver-based antimicrobials into starting point formulations of different industrial and decorative coatings, with a focus on optimizing dispersion, storage stability, and film clarity of the coating formulation. Antimicrobial efficacy against bacteria of common interest are also presented for the optimized coating formulations. Note de contenu : - Desirable antimicrobial properties - Market and market trends - Silver-based antimicrobials - Formulating considerations - Mechanism of action - Bioefficacy testing protocol - Effect of silver-based antimicrobial on physical properties of coatings - Bioefficacy test results - Correlation of Tg and water repellency efficiency with bioefficacy - Table 1 : Tg and WRE values vs. antimicrobial concentration required for bioefficacy - Table 2 : Starting point formulations evaluated with SAM1 En ligne : https://drive.google.com/file/d/15PdRS2Au6FCpkfaMzCf0qsr03zcjR_c7/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3606 [article]

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Light-stabilized coatings for preservation of wood-plastic composite decking / Robert Waldron in COATINGS TECH, Vol. 6, N° 3 (03/2009)  

[article]  inCOATINGS TECH > Vol. 6, N° 3 (03/2009) . - p. 24-31 Titre : Light-stabilized coatings for preservation of wood-plastic composite decking Type de document : texte imprimé Auteurs : Robert Waldron, Auteur ; Brett Moyer, Auteur Année de publication : 2009 Article en page(s) : p. 24-31 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Composites à fibres -- Coloration Composites à fibres -- Détérioration Composites à fibres -- Revêtements protecteurs Index. décimale : 667.9 Revêtements et enduits Résumé : Wood-plastic composite (WPC) materials have found extensive use in the construction of residential decks. Although recognized as a low-maintenance product WPC lumber is not immune to the effects of weathering. Sunlight and water exposure can lead to color change and physical degradation. Previous WPC preservation studies have evaluated the effectiveness of light stabilizers incorporated during the wood fiber/thermoplastic compounding process. This study presents the results of accelerated exposure tests of WPC materials preserved by the application of a light-stabilised clearcoat. En ligne : https://drive.google.com/file/d/174W1cNaJBDXT6Jq7h31syDqWGfi2pZtq/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4812 [article]

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