1-K hydrophobic binders for anticorrosion primers and DTM-topcoats / Thomas Bernhofer in SURFACE COATINGS INTERNATIONAL, Vol. 101.1 (02-03/2018)  

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 101.1 (02-03/2018) . - p. 26-29 Titre : 1-K hydrophobic binders for anticorrosion primers and DTM-topcoats Type de document : texte imprimé Auteurs : Thomas Bernhofer, Auteur ; Jan Pilger, Auteur Année de publication : 2018 Article en page(s) : p. 26-29 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Angle de contact Anticorrosifs Anticorrosion Application directe sur le métal Essais (technologie) Essais de brouillard salin Hydrophobie Liants Primaire (revêtement) Revêtements -- Finition Spectroscopie d'impédance électrochimique Index. décimale : 667.9 Revêtements et enduits Résumé : Anticorrosion primers and direct-to-metal (DTM)-coatings are protective coatings with a primary function of protecting against corrosion. A secondary purpose is to maintain the aesthetic aspects and value of expensive good such as cars, trucks and aeroplanes. The cost of corrosion runs to approximately 3-4 % of GDP on an annual basis and therefore has an global economic impact of around US$3.3 billion. Note de contenu : - BACKGROUND : Corrosion categories and testing - Correlation between hydrphobicity and anticorrosion performance - EXPERIMENTAL : Binder selection - Testing - RESULTS : Contact angle - Electrochemical impedance - Results summary - FIGURES : 1. EN ISO 12944-2 corrosion classes - 2. The corrosion process - 3. Contact angle measurement - 4. Electrochemical impedance measurement - 5. Contact angle measurements for untreated samples - 6. Contact angles for samples after 720 salt-spray test - 7. Electrochemical impedance results - 8. Test results after 720 salt spray test ISO 9227 - 9. REM/EDX analysis En ligne : https://drive.google.com/file/d/1wC-tty1LXyY9tdNx-Gn8RYfa77knPESt/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30517 [article]

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A perfect match : High performance and potential for cost optimisation at the same time / Jan Pilger in SURFACE COATINGS INTERNATIONAL, Vol. 103.6 (11-12/2020)  

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 103.6 (11-12/2020) . - p. 332-335 Titre : A perfect match : High performance and potential for cost optimisation at the same time Type de document : texte imprimé Auteurs : Jan Pilger, Auteur ; Thomas Bernhofer, Auteur Année de publication : 2020 Article en page(s) : p. 332-335 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Copolymère styrène acrylique Dioxyde de titane Formulation (Génie chimique) Liants Résistance aux frottements humides Revêtement mural:Peinture murale Revêtements (produits chimiques):Peinture (produits chimiques) Index. décimale : 667.9 Revêtements et enduits Résumé : Over the last few years, topics around health and environmental challenges and sustainability have gained further attention, especially amongst the younger generation. This mega trend is seen across ail industries globally, but is particularly visible for the automotive, chemical and manufacturing industries. Numerous new and revised regulations have been introduced to the chemical industry in different regions, including Europe, which has seen a number of revised regulations and reclassification of chemical substances, such as volatile organic compounds (V005), formaldehyde, acetaldehyde, titanium dioxide (T102) and several isothiazolinone limitations in the last two years. 2050 and form a more sustainable economy, with an action plan to boost the efficient use of resources by moving to a clean, circular economy and restore biodiversity and cut pollution. The European Commission expects all economy sectors to take action in investing in environmentally-friendly technologies, decarbonising the energy sector, supporting industry to innovate and ensuring buildings are more energy efficient. It is expected that there will be a renovation wave to modernise Europe's buildings, which presents a great opportunity to the paint and coatings industry. It is also expected that the other regions will put in similar efforts to drive for more sustainable growth and introduce various initiatives to improve the current environmental and climate situation. The UK, for example, has also recently announced its Green Homes Grant program to encourage home owners to make energy-saving improvements with financial support from the government. With this trend in mind, Synthomer has developed a novel styrene acrylic binder with excellent water resistance, scrub resistance and hiding power, which potentially enables the paint and coatings industry to optimise binder and pigment dosage, resulting in paint property, carbon footprint and cost improvement. Formulations based on this new binder can also meet the 2018 criteria for the RAL UZ 102 label ("Blue Angel") in the category "Low Emission Interior Wall Paints' ln the following article, we detail our internai studies that enable the aforementioned savings by showing test resuits of paint formulations with a high pigment volume concentration (PVC) and within the gloss range of matt (<10 GU 85°) and dead matt (<5 GU 85°), which are popular in the DACH market (Germany, Austria and Switzerland). We will also elaborate resuits from formulations for mid-sheen gloss >10 GU 85° wall paint, often encountered in other European countries, such as France and UK. A market standard styrene acrylic polymer was used as benchmark in this study. Note de contenu : - Lower binder dosage : a gain in formulation cost, no compromise in performance - Lower titanium dioxide (TiO2) content for lower cost and leaner carbon footprint - Robust polymer design to fit a broad range of formulations - Biocide concepts for interior wall paints in european markets - Passing the volatile organic compound (VOC) requirements for RAL UZ 102 labelling - A next generation polymer dispersion for a more sustainable future - Table 1 : Polymer characteristics of the novel styrene acrylic - Table 2 : Test results at reduced binder content vs. benchmark - Table 3 : Optimised wall paint with 8% binder content and reduced TiO2 content - Table 4 : Performance summary of the optimised formulation with lower binder and TiO2 - Table 5 : Satin wall paint (20 GU 60°) - Table 6 : Silk wall paint (25 GU 60°) - Table 7 : Semi-gloss wall paint (30 GU 60°) - Fig. 1 : Wet scrub resistance in relation to the binder content of the new binder - Fig. 2 : A set of Leneta charts with applied paint coat - Fig. 3 : Synthomer microbiology lab in Harlow, UK En ligne : https://drive.google.com/file/d/1EZ3myDn8UtkwNRhKZ_vHySYrk3C5WxdV/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34919 [article]

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A perfect match / Jan Pilger in EUROPEAN COATINGS JOURNAL (ECJ), N° 10 (10-11/2020)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 10 (10-11/2020) . - p. 26-32 Titre : A perfect match : Novel binder for water-borne paints offers high performance combined cost optimisation Type de document : texte imprimé Auteurs : Jan Pilger, Auteur ; Thomas Bernhofer, Auteur Année de publication : 2020 Article en page(s) : p. 26-32 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Copolymère styrène acrylique Coût -- Contrôle Liants en phase aqueuse Résistance aux frottements humides Revêtement mural:Peinture murale Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- Additifs Index. décimale : 667.9 Revêtements et enduits Résumé : A growing focus on a more sustainable economy puts greater pressure on the industry to eliminate hazardous components and optimise paint formulations while maintaining performance. A novel styrene acrylic polymer offers the potential to reduce cost and carbon footprint of water-borne wall paints with gains in durability and stability. It also helps formulators meet stringent eco-label requirements. Note de contenu : - New binder to meet regulatory challenges - Reduced dosage at same performance - Lower TiO2 to reduce cost and carbon footprint - Robust polymer for a broad range of formulations - Biocide concepts in european markets - Meeting VOC requirements for labelling - A next-generation polymer dispersion for a more sustainable future - Table 1 : Polymer characteristics of the novel styrene acrylic - Table 2 : Test results at reduced binder content vs. benchmark - Table 3 : Optimised wall paint with 8% binder and reduced TiO2 content - Table 4 : Performance summary of the optimised formulation with lower binder and TiO2 content - Table 5 : Satin wall paint (20 GU 60°) - Table 6 : Silk wall paint (25 GU 60°) - Table 7 : Semi-gloss wall paint (30 GU 60°) - Table 8 : Test results mid-sheen wall paints - Fig. 1 : Wet scrub resistance in relation to the binder content of the new binder - Fig. 2 : A set of Leneta charts with applied paint coat En ligne : https://drive.google.com/file/d/1rluk9GDVg_OdkVpzSpgfvdvqB6Tmlx9s/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34906 [article]

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