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Titre : Preserving beauty Type de document : texte imprimé Année de publication : 2021 Article en page(s) : p. 24-25 Langues : Anglais (eng) Catégories : Applications extérieures
Bois -- Revêtements protecteurs
Produits commerciaux
Revêtements (produits chimiques)
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : Preserving beauty of nature. Fences, façades, patio furniture and terraces often have one thing in common : wood as a raw material. Ideally, this is already made of a very durable type of wood. However, this is still not forever, and what about less durable wood ? Not suitable for outdoor use ? En ligne : https://drive.google.com/file/d/1UZ2VDjK69YtOhWp3ZHlR59TwDtDTkZPk/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35837
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 1 (01/2021) . - p. 24-25[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22760 - Périodique Bibliothèque principale Documentaires Disponible Life cycle assessment study on wood coatings / Berta Vega Sanchez in EUROPEAN COATINGS JOURNAL (ECJ), N° 1 (01/2021)
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Titre : Life cycle assessment study on wood coatings : Are water-borne systems really more sustainable than solvent-borne in this application ? Type de document : texte imprimé Auteurs : Berta Vega Sanchez, Auteur Année de publication : 2021 Article en page(s) : p. 26-30 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bilan des émissions de gaz à effets de serre
Bois -- Revêtements protecteurs
Bois -- Vernis
Durée de vie (Ingénierie)
Etudes comparatives
Polyuréthanes
Vernis bi-composant
Vernis en phase aqueuseIndex. décimale : 667.9 Revêtements et enduits Résumé : Life cycle assessment (LCA) has become an important tool to quantify the environmental impact of products and industrial processes. It provides a full picture of the impact, in order to fine the best levers for improvement. This collaborative study analyses the environmental footprint from cradle to application to demonstrate the lower environmental impact of water-borne systems and identify the main levers for each technology. Note de contenu : - Using hardener technology to reduce environmental impact
- Key impact categories
- System boundaries and calculated assumptions
- Reducing the carbon footpring
- Wind power offers greatest GWP reduction
- Lower CFP but impact on eutrophication
- Reduce waste and solvent emission
- Renewable energyputs raw materials in top spot
- Limitation of the study
- Fig. 1 : System boundaries
- Fig. 2 : Carbon footprint breakdown - 1 m2 wood surface coated with clear-coat
- Fig. 3 : Photochemical ozone creation potential - 1 m2 wood surface coated with clear coat
- Fig. 4 : Influence of thermal energy source in the carbon footprint per m2 wood surface coated with clear-coat (EG :electrical grid/NG : steam from natural gas/renew : wind power
- Fig. 5 : Comparison of CFP per m2 wood surface coated with clear-coat with two systems and two different thermal energy sources for drying and curing (EG : electrical/renew : wind power) in comparison to the reference : 2K SB PU (EG)
- Table 1 : Wood coating systems in this study : 2K solvent-borne aliphatic polyurethane (2K SB PU), standard 2K water-borne polyurethane (2K WB PU) and fast-drying 2K water-borne polyurethane using novel hardener (novel 2K WB PU)En ligne : https://drive.google.com/file/d/1Hd9V-DJej3PfKOCX9M2esVpijHb068MI/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35838
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 1 (01/2021) . - p. 26-30[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22760 - Périodique Bibliothèque principale Documentaires Disponible The best of both systems : Improving poly(urethane-acrylate)hybrid coatings using bio-based 1,3 propanediol / Michael Shen in EUROPEAN COATINGS JOURNAL (ECJ), N° 1 (01/2021)
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Titre : The best of both systems : Improving poly(urethane-acrylate)hybrid coatings using bio-based 1,3 propanediol Type de document : texte imprimé Auteurs : Michael Shen, Auteur ; W. Curtis Anderson, Auteur ; Xianghong Xu, Auteur ; Yun Zhu, Auteur ; Guiyou Wang, Auteur Année de publication : 2021 Article en page(s) : p. 34-39 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Biomatériaux
Copolymère uréthane acrylate
Copolymères -- Propriétés mécaniques
Copolymères -- Synthèse
Polymères en émulsion
Polytriméthylène éther glycol
Polyuréthanes
Propanediol
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : Poly(urethane-acrylate) (PUA) hybrid dispersions were successfully synthesised through an in situ soap-free emulsion polymerisation of acrylic monomers by using water-borne polyurethanes (WPUs) as seed emulsions. Introducing polyacrylate into WPU dispersion seffectively improves their mechanical properties and alkali resistance. Note de contenu : - Poly(trimethylene ether) glycol offers unique mechanical properties
- Excellent storage and mechanical stability
- Dynamic mechanical properties
- Bio-based PO3G improves mechanical properties
- Explanation of coating properties
- Greater understanding of how to improve coating performance
- Table 1 : Physical properties of WPU and PUA dispersions
- Table 2 : WPU and PUA coating propertiesEn ligne : https://drive.google.com/file/d/1nsHufqzk0UbcNfBkbodQNd-b2c3pF9FP/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35839
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Code-barres Cote Support Localisation Section Disponibilité 22760 - Périodique Bibliothèque principale Documentaires Disponible The race for improved weathering / Matt Andersson in EUROPEAN COATINGS JOURNAL (ECJ), N° 1 (01/2021)
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Titre : The race for improved weathering : A UV analysis technique that speeds up product development Type de document : texte imprimé Auteurs : Matt Andersson, Auteur ; Karl Booth, Auteur Année de publication : 2021 Article en page(s) : p. 40-43 Langues : Anglais (eng) Catégories : Brillance (optique)
Caractérisation
Fourier, Spectroscopie infrarouge à transformée de
Indice carbonyle
Photo-oxydation
Photodétérioration
Rayonnement ultraviolet A
Réflexion totale atténuée
Résistance aux conditions climatiques
Revêtements -- Détérioration
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : New product development and major reformulation of high-durability exterior coatings are among the highest risk projects a coatings lab can undertake. This is due to the years-long exterior exposure time required to validate a new product's performance, in addition to the standard formulation and test cycle time of several months. Many attributes are associated with the assessment of a coating's weatherability, such as grain-crack resistance, adhesion and chalk. In the architecture semi-gloss to high-gloss space, an emphasis has rightly been placed on gloss retention as a distinguishing attribute between high performance and economy product classes. Note de contenu : - Gloss retention today
- Gloss retention and photodegradaton
- Our improved method : ATR-FTIR characterisation
- How we did it
- Correlating carbonyl index and cyclic UVA
- Accelerating development
- Fig. 1 : ATR-FTIR characterisation
- Fig. 2 : Assignment of onset of failure by photooxidation
- Fig. 3 : Carbonyl index at one week exposure vs onset of gloss failure
- Fig. 4a : δcarbonyl index measured after 24hrs cyclic UVA exposure
- Fig. 4b : Onset of failure of gloss retentionby cyclic UVA
- Fig. 5a : Carbonyl index after seven days exposure
- Fig. 4b : Onset of failure of gloss retention by cyclic UVA
- Fig. 5b : 168 h measurement of carbonyl index predicts relative performance of commercial HG polymers
- Table 1 : Infrared absorption wavelengths for relevant functionalitiesEn ligne : https://drive.google.com/file/d/1cti9HW3V9hdCZ-CucD5b287QTa2OkXg9/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35840
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 1 (01/2021) . - p. 40-43[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22760 - Périodique Bibliothèque principale Documentaires Disponible
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Code-barres | Cote | Support | Localisation | Section | Disponibilité |
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22760 | - | Périodique | Bibliothèque principale | Documentaires | Disponible |