Binding together - whatever the weather / Maurille Secher in EUROPEAN COATINGS JOURNAL (ECJ), N° 3 (03/2020)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 3 (03/2020) . - p. 38-44 Titre : Binding together - whatever the weather : New binder for weather and surface tolerant wood trim paints Type de document : texte imprimé Auteurs : Maurille Secher, Auteur ; Alan Fream, Auteur Année de publication : 2020 Article en page(s) : p. 38-44 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bois -- Finition Bois -- Revêtements:Bois -- Peinture Essais de résilience Formulation (Génie chimique) Liants Résistance aux conditions climatiques Revêtements en phase aqueuse:Peinture en phase aqueuse Index. décimale : 667.9 Revêtements et enduits Résumé : Paints designed for application to wood trim (wood used to cover transitions between surface or for decoration) represent a significant share of the market for wood coatings. Over the past decade, as a result of environmental and other legislation, there has been a general shift from solvent-borne to water-borne in most architectural or decorative coatings applications. However, the very property that makes water-borne coating attractive from environmental, toxicological, and health points of view, i.e. that they contain water, is also the main cause of many of the problems which are associated with water-borne technology and which have hampered the replacement of traditional solvent-borne paints. Note de contenu : - Surface tolerance - Weather tolerance (all-weather paints") - Polymer design - technical approach - EBS technology - Candidate latexes and test formulations - Experimental - Grain-crack resistance - Blocking resistance - Shower test (early rain resistance) - Natural weathering - outdoor exposure to EN 927-3 - Grain-crack resistance - Shower test (early rain resistance) - Accelerated and natural weathering - Fig. 1 : Materials and equipment for shower test - Fig. 2 : Surface fefects of water-borne and solvent-borne paints - Fig. 3 : Results of 12 months' natural-weathering tests - Table 1 : Physical properties of candidate latexes - Table 2 : Experimental sheen and gloss formulations - Table 3 : Results of grain-crack resistance tests - Table 4 : Results of blocking-resistance tests - Table 5 : Results of shower-resistance tests En ligne : https://drive.google.com/file/d/15qP6rAWvpeW02SorH3qnGvNPw39pEzGq/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33897 [article]

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Closing in on solvent-borne coatings / Maurille Secher in EUROPEAN COATINGS JOURNAL (ECJ), N° 2 (02/2019)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 2 (02/2019) . - p. 96-101 Titre : Closing in on solvent-borne coatings Type de document : texte imprimé Auteurs : Maurille Secher, Auteur ; Alan Fream, Auteur ; Christophe Baude, Auteur ; L Merlet, Auteur Année de publication : 2019 Article en page(s) : p. 96-101 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Adhésion Anticorrosifs Anticorrosion Essais d'adhésion Essais de brouillard salin Formulation (Génie chimique) Liants Métaux -- Revêtements protecteurs Pigments Résistance à l'humidité:Résistance à l'eau Index. décimale : 667.9 Revêtements et enduits Résumé : Corrosion protection is hugely important to the goal economy. Whereas the paint industry is shifting towards water borne technologies, solvent-borne systems still dominate anticorrosion protection of metal. The advent of a new binder could change that. Note de contenu : - POLYMER DESIGN CONSIDERATIONS : Particle morphology- Excellent adhesion - Water resistance - Impact of anticorrosive pigment / additive on corrosion resistance - TEST METHODS : Cross-cut adhesion - Salt spray - Fig. 1 : Schematic drying steps of HDT binders - Fig. 2 : Barrier properties of HDT binders - Fig. 3 : 504-hour salt spray exposure. Blasted stell (left), Q-panels S36 (centre) and R36 (right) - Table 1 : Anticorrosive pigments and additive nature - Table 2 : HDT Experimental formulation - Table 3 : Gloss level and adhesion of experimental formulations - Table 4 : Rating of corrosion resistance En ligne : https://drive.google.com/file/d/1JurrBl5agQKdFDXtBB_nKRLTok1CpPW3/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31681 [article]

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Early rain resistance and surfactant leaching resistant binder / R. Matranga in COATINGS TECH, Vol. 15, N° 8 (08/2018)  

[article]  inCOATINGS TECH > Vol. 15, N° 8 (08/2018) . - p. 50-59 Titre : Early rain resistance and surfactant leaching resistant binder Type de document : texte imprimé Auteurs : R. Matranga, Auteur ; B. Doran, Auteur ; Alan Fream, Auteur ; Christophe Baude, Auteur ; E. Bousseau, Auteur ; Maurille Secher, Auteur Année de publication : 2018 Article en page(s) : p. 50-59 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Adhésion Applications extérieures Essais dynamiques Liants Polyacryliques Résistance à l'efflorescence Résistance à l'exsudation Résistance à l'humidité:Résistance à l'eau Résistance à la fissuration Résistance chimique Revêtement mural:Peinture murale Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- Additifs Index. décimale : 667.9 Revêtements et enduits Résumé : The development of an effective waterborne technology for exterior paints has become a significant challenge in the architectural coatings market due to the growing expectations of end users (total cost of ownership), diversification of materials used for exterior walls and siding, and the continuous trend towards VOC reduction. This article describes a new product based on our company's Low Exudation Binder (LEB) platform, designed for formulation of exterior paints, where pure acrylic binders are typically used for reasons of excellent color retention in very deep tones. The new binder possesses the advantages common to those of the LEB technology, namely very low surfactant leaching, excellent resistance to efflorescence, and long-term adhesion, and in addition, very early rain resistance, allowing the application window to be extended. Furthermore, paints formulated with the new binder have very low VOC emissions, and are in-line with all the most stringent, current environmental requirements. Note de contenu : - PROBLEMS WITH WATER-BASED MASONRY COATINGS : application and drying - Resistance to early rain - Exudation or surfactant leaching/staining - Other common problems - POLYMER DEVELOPMENT : LEB PLATFORM : Polymer design considerations - Need for pure acrylic version of LEB - EXPERIMENTAL : TEST METHODS : The nature of exudates from water-based paints - Exudation resistance (evaluation of leaching of surfactants and water-soluble components) - Efflorescence resistance - Shower test (evaluation of resistance to early rain) - Q-UV exposure and exterior weathering - Adhesion - Resistance to mud-cracking - Crack test on wood - RESULTS AND DISCUSSION : Analysis of exudates from water-based paints - - APPLICATION OF PF-LEB IN EXTERIOR COATINGS - ASSESSMENT OF LEB WHITE W2 AND LEB DEEP DE PERFORMANCE : Exudation resistance - Efflorescence resistance - Shower resistance - Accelerated durability - Adhesion - Mud-crack resistance - Crack test on wood - Fig. 1 : Optimum application conditions - Fig. 2 : Chromatogram of exudates from standard acrylic based facade paint and same formulation based on the PA-LEB - Fig. 3 : Exudation resistance of white and blue tinted paints - Fig. 4 : Efflorescence resistance on white and deep bases - Fig. 5 : Panels with white bases before and after shower test - Fig. 6 : Panels with deep bases before and after shower test - Fig. 7 : Results of Q-UV exposure - Fig. 8 : Resistance to mu-cracking - Fig. 9 : Results of crack test on wood - Table 1 : Typical characteristics of New PA-LEB - Table 2 : Formulation and characteristics of LEB white W2 and LEB deep D2 for exterior flat - Table 3 : Characteristics of exterior flat paints evaluated in the benchmarking study - Table 4 : Adhesion to non-porous substrates En ligne : https://drive.google.com/file/d/1HRRsX_HEcUkmNT0ZxBEUo8tc4NLrFIdt/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31271 [article]

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Green all weather paints / Franck Duval in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 194, N° 4472 (01/2004)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 194, N° 4472 (01/2004) . - p. 36-38 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 aqueuse Index. 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 paints Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27713 [article]

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Intumescent coatings : truly functional coatings that save lives latest developments / Christophe Baude in DOUBLE LIAISON, N° 614 (12/2016)

[article]  inDOUBLE LIAISON > N° 614 (12/2016) . - p. 14-18 Titre : Intumescent coatings : truly functional coatings that save lives latest developments Type de document : texte imprimé Auteurs : Christophe Baude, Auteur ; Maurille Secher, Auteur ; Cécile Fonteneau, Auteur ; Alan Fream, Auteur ; Jean-Marie Schmuck, Auteur Année de publication : 2016 Article en page(s) : p. 14-18 Langues : Anglais (eng) Catégories : Acier L'acier est un alliage métallique utilisé dans les domaines de la construction métallique et de la construction mécanique. L'acier est constitué d'au moins deux éléments, le fer, très majoritaire, et le carbone, dans des proportions comprises entre 0,02 % et 2 % en masse1. C'est essentiellement la teneur en carbone qui confère à l'alliage les propriétés du métal qu'on appelle "acier". Il existe d’autres métaux à base de fer qui ne sont pas des aciers comme les fontes et les ferronickels par exemple. Couches minces Essais accélérés (technologie) Formulation (Génie chimique) Ignifugeants Composé chimique utilisé pour réduire l'inflammabilité. Il peut être incorporé au produit durant sa fabrication ou appliqué ultérieurement à sa surface. Incendies -- Prévention Intumescence (chimie) Liants Métaux -- Revêtements protecteurs Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- Additifs Thermogravimétrie Index. décimale : 667.6 Peintures Résumé : In recent years, thin film intumescent coatings have become the preferred choice for the protection of structural steel, and have enjoyed significant growth on a global basis, because of their ability to provide cost-effective passive fire protection to structural steel, whilst at the same time maintaining the aesthetic qualities on the steel, which is being demanded by more and more architects and engineers. Note de contenu : - INTUMESCENT COATINGS : WHAT ARE THEY ? HOW DO THEY WORK - THE IMPORTANCE OF THE RESIN BINDER IN INTUMESCENCE : European standards for fire protection coatings - CURRENT BINDER TECHNOLOGY FOR WATERBORNE INTUMESCENT COATINGS - DESIGN OF A NEW BINDER FOR WATERBORNE COATINGS - NEW BINDER FOR WATERBORNE INTUMESCENT COATINGS - EXPERIMENTAL : Testing protocol for evaluation of new binder - FORMULATION APPROACH FOR NEW WATERBORNE BINDER : Water soak resistance - W conditions exposure - Y conditions exposure - FIGURES : 1. Thermal gravimetric analysis (TGA) curves of new waterborne binder vs. best-in-class solventborne binder - 2. Thermal gravimetric analysis (TGA) curves of new waterborne binder vs. best-in-class solventborne binder - 3. Effect of accelerated aging (W conditions) on dry films - 4. Time/temperature curves for WB IC 02 vs VA/VV binder, before, and after accelerated exposure (Y conditions) - TABLES : 1. Use categories as defined in EN 16623 - 2. Recipe structure waterbased intumescent formulation Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27442 [article]

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New latex for water-borne direct-to-metal (DTM) coatings / Maurille Secher in DOUBLE LIAISON, N° 590 (12/2012)

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New water-based binder for durable thin film intumescent coatings / Alan Fream in COATINGS TECH, Vol. 15, N° 7 (07/2018)  

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Stain blockers / Maurille Secher in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 198, N° 4524 (05/2008)  

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Waterborne binder for low VOC stain blocking / Maurille Secher in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 199, N° 4539 (08/2009)  

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