Liquid color measurement / Ralph Jan Wörheide in COATINGS TECH, Vol. 17, N° 2 (02/2020)  

[article]  inCOATINGS TECH > Vol. 17, N° 2 (02/2020) . - p. 41-48 Titre : Liquid color measurement : A new approach for color testing Type de document : texte imprimé Auteurs : Ralph Jan Wörheide, Auteur Année de publication : 2020 Article en page(s) : p. 41-48 Langues : Américain (ame) Catégories : Colorimétrie Essais (technologie) liquides Pigments Revêtements:Peinture Stabilité chimique Index. décimale : 535.6 Couleur Résumé : When it comes to color testing, there are many precise instruments, color correction software packages, automated spray machines, etc., in the marketplace. Colorimetry is a science of great importance to the paint industry, especially in meeting the high-quality standards of customers. However, the high scientific level and the precision of the instruments cannot compensate for the challenges presented, because conventional color testing takes place at the very end of the paint production process and requires a great deal of time due to the drying process. In addition, it has become state-of-the-art to correct colors instead of producing them in the required quality in the first run. Note de contenu : - Liquid color measurement : an approach for color measurement for color measurement of liquid paint and pigment preparations - Color metrics : Correlation between liquid and dry measurements - Repeatability and reproducibility - Color strength - Effect pigments and their preparation - Black and dark colors - Stability test - Process - Prospect - Fig. 1 : Basic setups of LCM ; three angle and on angle - Fig. 2 : Liquid/dry correlation on L*, a*, b* and dE* - Fig. 3 : Results for dry measurements of expected and measured color strength - Fig. 4 : Results for liquid measurements of expected and measured color strength - Fig. 5 : Comparison of different aluminum slurry batches - Fig. 6 : Spectral data with and without black booster - Fig. 7 : Stability test on pigment paste samples - Fig. 8 : Use of LCM in different steps of the supply chain En ligne : https://drive.google.com/file/d/1IX3bkLO8tRI1f_TfMOAZdADp_Al2kdtK/view?usp=share [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33604 [article]

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Sharing is caring - For a digital future / Wolfram Keller in EUROPEAN COATINGS JOURNAL (ECJ), (06/2023)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > (06/2023) . - p. 40-45 Titre : Sharing is caring - For a digital future : Digital and sustainable transformation is essential for coatings companies in the new economy, but lies outside their comfort zone. Joining forces is a promising approach Type de document : texte imprimé Auteurs : Wolfram Keller, Auteur ; Ulf Stalmach, Auteur ; Ralph Jan Wörheide, Auteur Année de publication : 2023 Article en page(s) : p. 40-45 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Industrie 4.0 Le concept d’Industrie 4.0 correspond à une nouvelle façon d’organiser les moyens de production : l’objectif est la mise en place d’usines dites "intelligentes" ("smart factories") capables d’une plus grande adaptabilité dans la production et d’une allocation plus efficace des ressources, ouvrant ainsi la voie à une nouvelle révolution industrielle. Ses bases technologiques sont l'Internet des objets et les systèmes cyber-physiques. Numérisation Peinture -- Industrie Index. décimale : 667.9 Revêtements et enduits Résumé : Society and industry, including the chemical and coatings industry, are experiencing major challenges, especially those of digitalisation and sustainability. Few small- or medium-size coatings enterprises (SMEs) have so far embraced sustainable digitalisation or digital sustainability. They often lack the skills, experience and resources of large chemical companies that started doing so in the mid-2010s. Note de contenu : - "NEW ECONOMY" and digitilisation evolving rapidly since the 1990s - Digitilisation is a big challenge, but offers solutions, too - What will change in the smart paint factory ? - The smart paint factory alliance : joining forces and combining competences - Examples of cross-company collaboration in the SPFA - Fig. 1 : Position of the “chemicals industry” and “other processing industry”, incl. coatings producers, relative to leaders in digitalisation between 2020 and 2022 - Fig. 2 : Evolution of annual data volume as an indicator of the clock speed of the ICT industry and driver of digital, data-driven, and data-centric business models - Fig. 3 : Schematic representation of the coatings industry’s clock speed; eras have shortened from centuries to decades up to the new economy - Fig. 4 : Evolution of increasingly data-based business models during the coatings companies’ transition from “old economy” to “new economy" - Fig. 5 : Centralised, AI and simulation methods product development loops allowing shorter time to market and decentralised production leading to the desired global effect - Fig. 6 : Coatings SMEs' digitalisation index relative to that of bigger companies En ligne : https://drive.google.com/file/d/19w-M7OCxDy64iKiQrF30o58HhfYSOo54/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39463 [article]

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