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High performance coating materials from recycled sources in COATINGS TECH, Vol. 14, N° 10 (10/2017)
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Titre : High performance coating materials from recycled sources Type de document : texte imprimé Année de publication : 2017 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosifs
Anticorrosion
Brillance (optique)
Copolymères
Essais de brouillard salin
Formulation (Génie chimique)
Métaux -- Revêtements protecteurs
Polycarbonates
Polyols
Produits et matériaux recyclés
Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniquesIndex. décimale : 667.9 Revêtements et enduits Résumé : Environmental, health, and safety concerns continue to drive awareness and interest toward improving the sustainability of materials used in the coatings industry. This is a subset of the larger movement toward becoming better stewards of global resources across all industries and working toward building a circular economy. To that end, this article discusses a nonpetroleum, non-bio resource for producing high performance industrial coatings resins. Alongside, and in harmony with current biobased efforts, Resinate has introduced commercial polyols that are designed to contain high levels of recycled materials. Previous presentations and publications introduced some of the descendants from recycled PET. Resinate now introduces multi-functional materials as base resins or blend additives, which are based on polycarbonate streams. Ultimately, these novel polyols provide a green chemistry alternative to heavy metal corrosion pigments, are nontoxic, can be added during the letdown stage of coating production, and can enhance other coating performance properties. This research compares performance in two separate formulated coating systems, and demonstrates the utility of these materials for metal protective coatings. Note de contenu : - RECYCLED MATERIAL FEEDSTOCKS
- COATING STUDIES PHASE I - CORROSION CONTROL POLYOL A VALIDATION : Experimental - Film properties - QUV-A performance - Salt spray results
- PHASE II COATING STUDIES - CORROSION CONTROL POLYOL B VS HEAVY METALS : Experimental - Film properties - QUV-A performance - Salt spray results
- FIGURES : 1. Process overview for copolymer systems based on polycarbonate - 2. Cyclic carbonate conversion of BPA - 3. Percent gloss remaining in QUV measured at 60° (initial gloss) - 4. Delta E values from QUV exposure - 5. Scribe creep corrosion (mm) for 520 h B117 salt spray exposure - 6. Combined salt spray ratings for phase I testing - 7. ASTM B117 salt spray panels for RMG polyol B (61) and RMG polyol A + 12.5 % corrosion control polyol A (64) at 922 h exposure - 8. Adhesion and pencil hardness results over CRS for ambient and baked panels - 9. MEK resistance double rub to breakthrough, Konig pendulum hardness, seconds - 10. Gloss (20°) retention percentage for QUV-A of phase II DTM panels (initial gloss) - 11. Gloss -60°) retention percentage for QUV-A of phase II DTM panels (initial gloss) - 12. Delta-E values for phase II panels at 500, 1000 and 2000 h QUV-A - 13. Phase II panels-combined ratings after 984 h B117 salt spray - 14. Combined rust ratings on phase II coatings after scratpe - 15. Base polyol (resinate IMP1000-6.5) series panels, showing post-scrape wet adhesion and underlying corrosion at 984 h B117 salt spray exposure - 16. Scribe creep maximum (mm) after scraping, 984 h B-117
- TABLES : 1. Representative coating formulation phase I - 2. Testing protocols in this study - 3. Representative coating formulations phase II - 4. Performance data for phase II DTM panels - 5. Performance data for phase II primer panelsEn ligne : https://drive.google.com/file/d/1465r5BRXu7t2CjovIeqmycsUu25Gqu15/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29441
in COATINGS TECH > Vol. 14, N° 10 (10/2017)[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 19304 - Périodique Bibliothèque principale Documentaires Disponible 19331 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : High performance in the frame : Waterborne finishes for PU pultrusion window profiles need no primer Type de document : texte imprimé Auteurs : Kurt A. Wood ; R. Wayne Skilton ; Roice Wille ; Thommy Barré ; Steve Harasin Année de publication : 2013 Article en page(s) : p. 18-22 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Adhésion
Fenêtres en matières plastiques
Matières plastiques -- Revêtement:Matières plastiques -- Peinture
Polyacryliques
Polyfluorure de vinylidène
Polyols
Polyuréthanes
Pultrusion
Résistance aux conditions climatiques
Revêtements
Revêtements bi-composantIndex. décimale : 667.9 Revêtements et enduits Résumé : Reinforced plastic composites known as pultrusions are becoming popular for window profiles. Polyurethane pultrusions offer enhanced performance but priming and/or pretreatment is usually required before topcoating to obtain adhesion. A highly weatherable 2K crosslinking PVDF-acrylic hybrid coating now offers the highest levels of durability without priming. Note de contenu : - Standards applicable to window profiles
- Plastic composites have limited coating options
- Waterborne PVDF-acrylic hybrids require no stoving
- New system performs well in weathering studies
- Other key performance properties outlined
- Formulating to maximise chemical resistance
- Direct adhesion on PU pultrusions studied
- Polyol choice in pultrusion may be critical
- PVDF coating is also suitable for other substratesEn ligne : https://drive.google.com/file/d/14KxIheY_6UwUKLCxJUoDymnmanKsxX37/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18451
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 5 (05/2013) . - p. 18-22[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 15054 - Périodique Bibliothèque principale Documentaires Disponible High performance polyurethane coatings through nanoparticle- modified raw materials / Arno Nennemann in DOUBLE LIAISON, N° 573 (03/2010)
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Titre : High performance polyurethane coatings through nanoparticle- modified raw materials Type de document : texte imprimé Auteurs : Arno Nennemann, Auteur ; Robert Maleika, Auteur Année de publication : 2010 Article en page(s) : p. 26-31 Note générale : Bibliogr. Langues : Français (fre) Catégories : Anticorrosion
Dispersions et suspensions
Nanoparticules
Polyacrylates
Polyisocyanates
Polymères en émulsion
Polyols
Polyuréthanes
Revêtements en phase aqueuse:Peinture en phase aqueuseIndex. décimale : 667.9 Revêtements et enduits Résumé : A technology platform was developed crating a new class of nano-modified coating raw materials. For the first time polyisocyanates as well as polyacrylate polyole dispersions containing nanoparticles could be developed, yielding coatings with excellent optical properties concerning gloss and haze without compromising polymer- intrinsic properties like appearance and elasticity. The essential step in this new technology was the specific, chemical modification of the coating raw materials which polyol dispersions on the other hand. Handling was identical to standard raw materials and formulations were easy to use with existing application technology. High scratch resistance in 2K solvent and waterborne clear coat applications at loadings of 10 to 15 % silica in the film could be achieved. Additionally, the corrosion protection properties in pigmented 2K waterborne hydroprimers and topcoats could strongly be improved. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8752
in DOUBLE LIAISON > N° 573 (03/2010) . - p. 26-31[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 012031 - Périodique Bibliothèque principale Documentaires Disponible High solids acrylic and polyester polyols made easy / Carl Cavallin in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 206, N° 4616 (01/2016)
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Titre : High solids acrylic and polyester polyols made easy Type de document : texte imprimé Auteurs : Carl Cavallin, Auteur ; Zegui Yan, Auteur ; David Vanaken, Auteur ; Denis Heymans, Auteur Année de publication : 2016 Article en page(s) : p. 61-64 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Haut extrait sec
Néodécanoate de glycidyle
Polyacryliques
Polyesters
Polyols
Revêtements protecteurs
Rhéologie
Vernis
ViscositéIndex. décimale : 667.9 Revêtements et enduits Résumé : The authors, describe simple ways to produce low viscosity, high solids acrylic and polyester polyols based on glycidyl neodecanoate. Note de contenu : - Acrylic polyol resins
- Polyester polyol resins
- Acrylic polyol/star polyester polyol blends
- Acrylic polyol and polyester polyol-hybrids
- Clearcoat performanceEn ligne : https://drive.google.com/file/d/1-u2rFer8MQvlB1lsKN9a2aEKMtxA5zvd/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25307
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 206, N° 4616 (01/2016) . - p. 61-64[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 17785 - Périodique Bibliothèque principale Documentaires Disponible High-solids alkyds resins with improved properties based on styrene allyl alcohol (SAA) resinous polyols / Daniel B. Pourreau in COATINGS TECH, Vol. 1, N° 2 (02/2004)
[article]
Titre : High-solids alkyds resins with improved properties based on styrene allyl alcohol (SAA) resinous polyols Type de document : texte imprimé Auteurs : Daniel B. Pourreau, Auteur ; Scott E. Smyth, Auteur Année de publication : 2004 Article en page(s) : p. 40-47 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Alcool styrène allylique
Haut extrait sec
Polyalkydes
Polyols
Réduction des composés organiques volatils
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : Stringent VOC content rules on Architectural and Industrial Maintenance (AIM) coatings have recently been enacted by federal, regional, and state regulatory agencies. These new rules effectively ban the use of low-solids solventborne alkyd resins, despite their excellent properties, ease of use, and low cost. In response to these new regulations, alkyd producers have been developing higher solids and waterborne alkyds, but these new resins do not perform as well and are more costly than the higher VOC versions. High solids alkyd resins typically have lower molecular weights, which can increase their drying times and reduce their durability. Waterborne alkyds are usually more expensive, despite having lower solids contents. Their dry time is also affected by temperature and humidity and their storage stability is usually lower than solution alkyds. These properties make waterborne alkyds less attractive to contractors who require paints with fast dry times and high coverage and hiding power for maximum productivity. This paper describes the use of commercial resinous polyols to produce alkyd resins with lower solvent demand, plus improved dry times, humidity and UV resistance compared to conventional medium- and long-oil alkyds. Partial replacement of pentaerythritol with styrene allyl alcohol (SAA) resinous polyols in standard alkyd resin syntheses results in a marked decrease in the resin polydispersities but little change in the number average molecular weights. Tire SAA polyol can be added to the process as a solid or a liquid, oil-modified polyol. The alkyd resin with the best overall properties was obtained by replacing a portion of the pentaerythritol, soybean oil, and phthalic anhydride with an SAA-modified soy polyol. Note de contenu : - INTRODUCTION : Styrene allyl alcohol copolymers use in alkyds
- EXPERIMENTAL : Raw materials - Preparation of SAA oleates - Examples preparation of SAA alkyds - Preparation of pigmented alkyds coatings
- RESULTS AND DSICUSSION : Long-oil alkyd resin composition, molecular weight, and polydispersity - SAA oleates - Long-oil alkyd coating properties
- Table 1 : National, regional, and state VOC content rules for major architectural and industrial maintenance coating categories
- Table 2 : Effect of low-VOC alkyd strategies on coating performance
- Table 3 : Properties of commercial styrene allyl alcohol co-polymers
- Table 4 : Low-viscosity long-oil alkyds based on SAA polyols
- Table 5 : Composition and physical properties of SAA-100 oleatesEn ligne : https://drive.google.com/file/d/1NY0K6-uuc77TYku-i9lL_S9hFR3Gt_Bd/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5558
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Code-barres Cote Support Localisation Section Disponibilité 000572 - Périodique Bibliothèque principale Documentaires Disponible Highly functional biobased polyols and their use in melamine–formaldehyde coatings / Thomas J. Nelson in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 10, N° 6 (11/2013)
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