Primed for VOC reduction / Marie Josée Déry-Chauvette in EUROPEAN COATINGS JOURNAL (ECJ), N° 7-8 (07-08/2017)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 7-8 (07-08/2017) . - p. 48-52 Titre : Primed for VOC reduction : Development and field trials of a novel high solids epoxy primer Type de document : texte imprimé Auteurs : Marie Josée Déry-Chauvette, Auteur ; Tony Doyle, Auteur ; Reginald Horne, Auteur ; Marcus Pfarherr, Auteur ; Brandon Wilson, Auteur ; Jeremy Ethington, Auteur Année de publication : 2017 Article en page(s) : p. 48-52 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Epoxydes Essais (technologie) Essais d'adhésion Essais de résilience Haut extrait sec Primaire (revêtement) Test d'immersion Index. décimale : 667.9 Revêtements et enduits Résumé : While high solids solvent-borne epoxies are the leading technology for heavy-duty primers, they may have poor application properties and limited corrosion resistance. Laboratory evaluations and field trials are reported on a novel epoxy that combines very low VOCs with the desirable properties of higher VOC formulations. Note de contenu : - Involving all stakeholders helps to ensure success - Voc and application properties comparison - Film build and application latitude enhanced - Performance attributes compared and summarised - Contractor training leads to successful field trial - Three different priming systems evaluated - High performance and flexibility in application - FIGURES : 1. Viscosity increase over time by digital Stormer viscometer after mixing epoxy primers (Volume solids : Com 0,85% ; Com 2, 100% ; LVE-T, 96%) - 2. Results of chemical immersion tests - 3. Salt spray test results - 4. QUV B exposure results, comparing new system with two commercial products - 5. Overcoat adhesion values at different temperatures and time intervals for LVE-TP, direct to metal (DTM), on self and with top coat - TABLES : 1. Summary of basic properties and performance attributes important for the application of paint, comparing trial paint to three commercial products - 2. Performance attributes for trial paint and three commercial products - 3. Detailed job description for the coating of tank 2 En ligne : https://drive.google.com/file/d/1ROTyX8cMGaSjoMBexlFCsChNXWAf1K3y/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28819 [article]

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Primed for VOC reductions / Marie Josée Déry-Chauvette in EUROPEAN COATINGS JOURNAL (ECJ), N° 11 (11/2019)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 11 (11/2019) . - p. 38-41 Titre : Primed for VOC reductions : Novel high-solids epoxy primer proves performance in two-year field trial Type de document : texte imprimé Auteurs : Marie Josée Déry-Chauvette, Auteur ; Marcus Pfarherr, Auteur ; Tony Doyle, Auteur ; Jeremy Ethington, Auteur ; Brandon Wilson, Auteur Année de publication : 2019 Article en page(s) : p. 38-41 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosion Durée de vie (Ingénierie) Epoxydes Essais de brouillard salin Extrait sec Métaux -- Revêtements protecteurs Primaire (revêtement) Zinc Index. décimale : 667.9 Revêtements et enduits Résumé : Increasing demand to reduce emissions of volatile organic compounds (VOC) has led the chemical and petrochemical indus-tries to consider alternatives to the solvent-borne epoxy resins used as primers and mid coats. A novel epoxy resin offers excel¬lent performance and increased productivity for asset owners and contractors. The results of a two-year field trial suggest it enables thin film, high build and application efficiencies while performing in two and three-layer zinc-rich barrier systems. Note de contenu : - EXPERIMENTAL : Initial accelerated aznd two-year durability testing - Physical performance properties - Low VOC and low viscosity - Lowest film build - Sufficient spray life - Corrosion resistance (salt spray) - Overcoat window - PERFORMANCE TESTING WITH C4 EXPOSURE - INCREASED PRODUCTIVITY BY USING TWO-LAYER SYSTEM - POSITIVE ADHESION PULL-OFF TESTS - RUST CAUSED BY SURFACE CONTAMINATION - FORMULATION FLEXIBILITY WITH NOVEL SYSTEM - Fig. 1 : Salt spray test - Fig. 2 : Overcoat adhesion values at different temperatures an dtime intervals for LVE-TP, direct to metal (OTM), to itself and with top coat - Fig. 3 : Tank 1 before (2016) and after (2018), weld joint, complex geometry - Fig. 4 : Panels before (2016) and after (2018), refer to table 4 for system identification 1-6 - Fig. 5 : Adhesion pull-off results of systems 1-3 (5a) and systems 4-6 (5b) - Fig. 6 : Visual under magnification 100 mm - systems 1-3 - Table 1 : Summary of key performance attributes for paint application - Table 2 : Summary of the evaluated paint system - Table 3 : Summary of panel tests En ligne : https://drive.google.com/file/d/15vdzi9MVVqudODfZpK3XgyhbHH9ltjvE/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33167 [article]

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