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Green all weather paints / Franck Duval in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 194, N° 4472 (01/2004)
[article]
Titre : Green all weather paints Type de document : texte imprimé Auteurs : Franck Duval, Auteur ; Alan Fream, Auteur Année de publication : 2004 Article en page(s) : p. 36-38 Langues : Anglais (eng) Catégories : Adhésion
Essais accélérés (technologie)
Matériaux cimentaires -- Revêtements:Matériaux cimentaires -- Peinture
Revêtements en bâtiment:Peinture en bâtiment
Revêtements en phase aqueuse:Peinture en phase aqueuseIndex. décimale : 667.9 Revêtements et enduits Résumé : A company has introduced a new waterborne technology for exterior masonry paints. The authors explain how it works.
Hydro Pliolite is a new waterborne technology for exterior masonry paints. Based on innovative EBS (Emulsified Binding System) technology, it combines the advantages of water-borne paint formulation with outstanding adhesion, allowing application without primer.
Paints based on Hydro Pliolite resins have a deep matt texture and can be produced in a wide range of shades from delicate pastels to the deepest colours. They can be applied to all types of masonry surfaces, whether old or new. They are both porous and water-repellent, with the result that facades are not only decorated but also enjoy a lasting protection.
Exterior masonry or facade coatings represent one of the most dynamic and largest markets for paints in Europe. The first and easiest segmentation is made between solvent borne and water borne paints.
The former represents about 30% by volume of the market and is particulary strong in some countries (France, UK, Italy, Spain, Portugal ...). The key benefits being "the all-weather application and strong adhesion on mineral surfaces.
It is well known and accepted that film formation of solvent borne paints is less affected by climatic conditions (temperature and relative humidity), and that the minimum film formation temperature (MFFT) is very low(<-30°C). Last but not least, solvent borne paints are still widely used to prime difficult and chalky surfaces. They are the preferred choice for the renovation of old surfaces because of their ability to penetrate and bind porous substrates.
The waterborne offer can be divided between organic coatings (often described as latex or dispersion paints), organic silicone paints (siloxane paints), and mineral paints (silicate paints). In this article, we will focus only on the two first categories.Note de contenu : - Limitations of dispersion paints
- Emulsified binding system
- Paint formulation and evaluation
- FIGURES : 1. Penetration depth into a chalky surface - 2. Pull-off adhesion test on mortar surface. It highlights an intermediate behaviour for EBS very similar to performance obtained with solvent-based paintsPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27713
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 194, N° 4472 (01/2004) . - p. 36-38[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 000305 - Périodique Bibliothèque principale Documentaires Disponible Has the coatings industry found a total powder system alternative ? / Andrew Cockcroft in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 194, N° 4481 (10/2004)
[article]
Titre : Has the coatings industry found a total powder system alternative ? Type de document : texte imprimé Auteurs : Andrew Cockcroft, Auteur Année de publication : 2004 Article en page(s) : p. 12-14 Langues : Anglais (eng) Catégories : Essais accélérés (technologie)
Essais de brouillard salin
Essais de résilience
Poudres
Primaire (revêtement)
ZincIndex. décimale : 667.9 Revêtements et enduits Résumé : A new technology zinc powder primer can compete with some of the leading liquid paint zinc primers available today and may offer a total powder system alternative of galvanising under certain conditions. Note de contenu : - Primer differentiation
- The liquid challenge
- TABLES : 1. List of powder zinc primers tested using hot neutral salt spray (ASTAM B117) to 3000 hours and supported with natural exposure testing - 2. Creep figures once coating systems tested have been sprayed with hot neutral salt spray (HNSS) ASTM B117) up to 3000 hours - 3. Powder primer performance is tested using natural exposure over 17 months at the Blyth coast test sitePermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27697
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 194, N° 4481 (10/2004) . - p. 12-14[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 000293 - Périodique Bibliothèque principale Documentaires Disponible 000294 - Périodique Bibliothèque principale Documentaires Disponible Healing performance of a self-healing protective coating according to damage width / Dong-Min Kim in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 212, N° 4673 (02/2022)
[article]
Titre : Healing performance of a self-healing protective coating according to damage width Type de document : texte imprimé Auteurs : Dong-Min Kim, Auteur ; Lee Junseo, Auteur ; Ju-Young Choi, Auteur ; Seung-Won Jin, Auteur ; Kyeong-Nam Nam, Auteur ; Hyeong-Ju Park, Auteur ; Seung-Hyun Lee, Auteur ; Chan-Moon Chung, Auteur Année de publication : 2022 Article en page(s) : p. 45-49 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Analyse de dommages (matériaux)
Encapsulation
Essais (technologie)
Essais accélérés (technologie)
Huile de linL'huile de lin ou "huile de graines de lin" est une huile de couleur jaune d'or, tirée des graines mûres du lin cultivé, pressées à froid et/ou à chaud ; parfois elle est extraite par un solvant, en vue de l'usage industriel ou artistique, principalement comme siccatif, ou huile auto-siccative.
Les utilisations de l'huile de lin dérivent de sa richesse en acides gras polyinsaturés, en particulier en acides linolénique et linoléique, qui lui doivent leur nom.
L'huile de lin polymérise spontanément à l'air, avec une réaction exothermique : un chiffon imbibé d'huile peut ainsi, dans certaines conditions, s'enflammer spontanément.
Pour ses propriétés de polymère, l'huile de lin est employée seule, ou mélangée à d'autres huiles, résines et solvants, et est utilisée en tant que : Imprégnateur et protecteur des bois à l'intérieur comme à l'extérieur : protection contre l'humidité, les champignons et insectes, et contre la poussière par son caractère antistatique, composant de certains vernis de finition, liant de broyage pour la peinture à l'huile, agent plastifiant du mastic de vitrier, agent durcisseur de diverses préparations, agent de cohérence et liant dans la fabrication du linoléum.
Humidité -- Absorption:Eau -- Absorption
Ions chlorure
Matériaux cimentaires -- Revêtements protecteurs
Microcapsules
Pénétration (physique)
Polyéthylène greffé anhydride maléique
Revêtement autoréparantIndex. décimale : 667.9 Revêtements et enduits Résumé : Although self-healing protective coatings have been widely studied, systematic research on healing performance of the coating according to damage width has been rare. In addition, there has been rare reports of self-healing of the protective coating having damage width wider than 100pm. In this study, self-healing performance of a microcapsule type self-healing protective coating on cernent mortar was studied for the coating with damage width of 100-300pm. The effect of capsule-loading (20wt%, 30wt% and 40wt%), capsule size (65,102 and 135pm mean diameter) and coating thickness (50, 80 and 100pm thick undercoating) on healing efficiency was investigated by water sorptivity test. Accelerated carbonation test, chloride ion penetration test and scanning electron microscope (SEM) study were conducted for the self-healing coating with a 300pm wide damage. Healing efficiency of the self-healing coating decreased with increasing damage width. As capsule-loading, capsule size or coating thickness increased, healing efficiency of the self-healing coating increased. Healing efficiency of 76% or higher was achieved using the self-healing coating with a 300pm wide scratch. The self-healing coating with a 200pm wide crack showed healing efficiency of 70% or higher. The self-healing coating having a 300pm-wide scratch showed effective protection of the substrate mortar from carbonation and chloride ion penetration, which was supported by SEM study. Note de contenu : - MATERIALS AND METHODS : Materials - Instruments - Microencapsulation of linseed oil - Preparation of coating samples - Vater sorptivity test - Determination of healing efficiency - Accelerated carbonation test - Chloride ion penetration test
- RESULTS AND DISCUSSION : Microcapsules - Water sorptivity test - Other performances of the self-healing coating with damage width of 300µm
- Table 1 : Variable parameters of the coating samplesEn ligne : https://drive.google.com/file/d/1NwpVSD-cYsSHt18KguwcleHTKg7yDeHh/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36974
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 212, N° 4673 (02/2022) . - p. 45-49[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23211 - Périodique Bibliothèque principale Documentaires Disponible High irradiance low temperature / Florian Feil in EUROPEAN COATINGS JOURNAL (ECJ), N° 10 (10-11/2020)
[article]
Titre : High irradiance low temperature : Temperature control in accelerated outdoor weathering Type de document : texte imprimé Auteurs : Florian Feil, Auteur Année de publication : 2020 Article en page(s) : p. 42-47 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Essais accélérés (technologie)
Miroirs
Rayonnement solaire
Revêtements -- Effets du climat:Peinture -- Effets du climat
Température -- ContrôleIndex. décimale : 667.9 Revêtements et enduits Résumé : Weathering with concentrated solar radiation enables material tests under natural conditions but nevertheless with high acceleration factors. However, high surface temperatures often limit the application. New mirror technologies allow to limit and control the test temperatures. It is also possible to predict the surface temperature based on mirror combination and on sample absorption (colour). Note de contenu : - State of the art
- "Cool-mirror" technology
- Hybrid systems
- Temperature
- Calculation of surface temperatures
- Fig. 1 : Schematic representation of a Fresnel-mirror solar concentration device
- Fig. 2 : Tracking Fresnel-mirror solar concentration device ("EMMAqua", 10 mirrors, with spray nozzles) : target board with test specimen
- Fig. 3 : Tracking mirror device with twenty focused cold mirrors ("UA-EMMA", ultra accelerated-EMMA) and a target area of approximately 15 cm X 91 cm
- Fig. 4 : Tracking mirror device "16 CM UA-EMMAqua-hybrid" with sixteen cold mirrors and 4 traditional mirrors
- Fig. 5 : Spectral reflection of the coloured coated metal panels
- Fig. 6 : Temperature course of a representative day (June 3, 2019) of the surface temperatures of the green samples in all exposures
- Fig. 7 : Maximum temperatures of all samples of all exposures on April 19, 2019
- Fig. 8 : Absolute calculated spectral irradiance at the time of the maximum temperature on May 4, 2019 for all mirror combinations
- Table 1 : Average daily maximum surface temperatures with standard deviation in the measurement period from April 9 to June 19, 2019
- Table 2 : Calculated (cal.) and measured (me.) maximum surface temperatures (April 19, 2019)En ligne : https://drive.google.com/file/d/1OYO7U65aBaXeCVVYLPBbu1iCn_42Nd8E/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34908
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Code-barres Cote Support Localisation Section Disponibilité 22463 - Périodique Bibliothèque principale Documentaires Disponible High irradiance testing / Allen Zielnik in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 204, N° 4600 (09/2014)
[article]
Titre : High irradiance testing Type de document : texte imprimé Auteurs : Allen Zielnik, Auteur Année de publication : 2014 Article en page(s) : p. 16-20 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Coût -- Contrôle
Essais accélérés (technologie)
Revêtements -- Effets du rayonnement ultraviolet:Peinture -- Effets du rayonnement ultraviolet
Tests d'efficacitéIndex. décimale : 667.9 Revêtements et enduits Résumé : The true promise of high irradiance tests - quicker time to determine results, faster time to determine a material's suitability for use, shorter time to market, or higher outdoor equivalents in the same test time -may be fully realised with the application of established and straightforward techniques to establish reciprocity. While some materials may prove unsuitable for the technique, high irradiance has already proven applicable to reliably increase test acceleration for many products. Note de contenu : - Primary weather factors
- What is high irradiance testing?
- Thermal and moisture effects in weathering
- Weathering test acceleration & correlation
- The principle of reciprocity
- Determining reciprocity
- Current application of high irradianceEn ligne : https://drive.google.com/file/d/1LKHf8wd4rPwSW32Ii8bfTQXfbT-mFELr/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22200
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Code-barres Cote Support Localisation Section Disponibilité 16527 - Périodique Bibliothèque principale Documentaires Disponible High modulus structural body shop adhesives / Felix Koch in ADHESION - ADHESIVES + SEALANTS, Vol. 15, N° 2/2018 (2018)
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