Liquid, sprayable, "zero" VOC coatings utilizing cycloaliphatic epoxies / Robert F. Eaton in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 68, N° 860 (09/1996)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 68, N° 860 (09/1996) . - p. 49-55 Titre : Liquid, sprayable, "zero" VOC coatings utilizing cycloaliphatic epoxies Type de document : texte imprimé Auteurs : Robert F. Eaton, Auteur ; K. T. Lamb, Auteur Année de publication : 1996 Article en page(s) : p. 49-55 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Atmosphère -- Pollution -- Lutte contre Composés organiques volatils Dépôt par pulvérisation Epoxydes Formulation (Génie chimique) Liants Polymères Polyols Revêtements en phase aqueuse:Peinture en phase aqueuse Index. décimale : 667.9 Revêtements et enduits Résumé : Zero VOC, hazardous air pollutant free coatings formulations can be readily prepared from liquid cycloaliphatic epoxies and narrow polydispersity caprolactone polyols. These formulations can be applied by conventional spray equipment and are a viable liquid alternative to powder coatings. Using conventional liquid spray equipment, the capital investment for the installation of a new powder coating line can be avoided. With modification, these coatings can be diluted with water and thickened with conventional cellulosic thickeners used in waterborne coatings. In this study, we discuss the influence of key formulating variables like epoxy/hydroxyl mole ratio, catalyst concentration, polyol molecular weight, and polydispersity on coating properties. Viscosity reduction and sag resistance are also discussed. Note de contenu : - INTRODUCTION : Raw materials - Starting point clear formulation - Effect of catalyst level and R value (epoxy/hydroxyl mole ratio) on cure, hardness, and impact - Coil coating conditions - Epoxy/polyol functionality - Corrosion resistance - Water dilution - Rheology control of water diluted systems - Lower cure temperatures - Formulating tips Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18441 [article]

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Liquid zero VOC coatings from cycloaliphatic epoxies / Robert F. Eaton in EUROPEAN COATINGS JOURNAL (ECJ), N° 9/96 (09/1996)

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 9/96 (09/1996) . - p. 612-617 Titre : Liquid zero VOC coatings from cycloaliphatic epoxies Type de document : texte imprimé Auteurs : Robert F. Eaton, Auteur ; K. T. Lamb, Auteur Année de publication : 1996 Article en page(s) : p. 612-617 Note générale : Bibliogr. Langues : Anglais (eng) Tags : Peinture  Liant  'Résine  époxyde'  'Polymère  cyclique'  aliphatique' Index. décimale : 667.9 Revêtements et enduits Résumé : Zero VOC, HAPS free coatings formulations can be readily prepared from liquid cycloaliphatic epoxies and narrow polydispersity caprolactone polyols. These formulations can be applied by conventional spray equipment and are a viable liquid alternate to powder coatings. Using conventional liquid spray equipment, the capital investment for the installation of a new powder coating line can be avoided. With modification, these coatings can be diluted with water and thickened with conventional cellulosic thickeners used in waterborne coatings. In this study we will discuss the influence of key formulating variables like epoxy/hydroxyl mole ratio, catalyst concentration, polyol molecular weight and polydispersity on coating properties. Viscosity reduction and sag resistance are also discussed. Note de contenu : - Raw materials - Coating formulation strategies - Starting point clear formulation - Effect of catalyst level and R value (epoxy/hydroxyl/mole ratio) on cure, hardness and impact - Coil coating conditions - Epoxy/polyol functionality - Corrosion resistance - Water dilution - Rheology control of water diluted systems - Lower cure temperatures - Comparison to powder coatings - Formulating tips Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11309 [article]

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