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High throughput workflow for the development of coatings / Dean C. Webster in COATINGS TECH, Vol. 1, N° 6 (06/2004)  

[article]  inCOATINGS TECH > Vol. 1, N° 6 (06/2004) . - p. 34-39 Titre : High throughput workflow for the development of coatings Type de document : texte imprimé Auteurs : Dean C. Webster, Auteur ; James Bennett, Auteur ; Sigrid Kuebler, Auteur ; Mary Beth Kossuth, Auteur ; Sigridur Jonasdottir, Auteur Année de publication : 2004 Article en page(s) : p. 34-39 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 667.9 Revêtements et enduits Résumé : Organic coating formulations are complex mixtures of ingredients including resins, crosslinkers, catalysts, pigments, pigment dispersants, solvents, and other additives. In order to prepare a robust, commercially successful coating, all of these ingredients must be carefully optimized. Evaluation of all of the possible variables involved in developing a coating system is a daunting task for the coating formulator. Consider the example of a solventborne, two-component polyurethane clear coating. A typical composition will include one or more polyols, a polyisocyanate, catalyst, potlife extender, several solvents, and flow, rheology, and weathering additives. If no assumptions are made regarding the performance of the possible ingredients, formulating a system like this could involve the exploration of as many as 25 variables. Evaluating all of the possible combinations of these variables would require the preparation of tens of thousands of formulations. En ligne : https://drive.google.com/file/d/17KnaXj-DUeb96nQscYV_f2AaxbZsHziH/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5537 [article]

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In situ monitoring of coating polymerization, cure, and aging using frequency dependent dielectric monitoring / David Kranbuehl in COATINGS TECH, Vol. 1, N° 6 (06/2004)  

[article]  inCOATINGS TECH > Vol. 1, N° 6 (06/2004) . - p. 48-55 Titre : In situ monitoring of coating polymerization, cure, and aging using frequency dependent dielectric monitoring Type de document : texte imprimé Auteurs : David Kranbuehl, Auteur ; Adam Domanski, Auteur Année de publication : 2004 Article en page(s) : p. 48-55 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 667.9 Revêtements et enduits Résumé : Frequency dependent dielectric measurements using in situ micro sensors, FDEMS, is a particularly useful technique for monitoring the changing state of a coating during synthesis, cure, and aging.1 Measurements can be made in the laboratory to monitor the polymerization process in a flask, to monitor cure in an oven or under a UV lamp, and to monitor durability and aging in a weather controlled environmental chamber or other degradative environment. Equally important, the FDEMS in situ microsensor monitoring technique can be used to monitor reaction advancement in the pilot or production plant’s batch reactor. Cure can be monitored in production ovens on the plant floor as well as outside, for example, on the surface of a ship in dry dock. Durability and aging can be monitored while the coated object is in use. Examples are a marine coating on a ship or the protective coating on the liner of an acid containing tank. En ligne : https://drive.google.com/file/d/1xoUyuPmzF9AdD44E0ECvEJDRC8-e0JYH/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5538 [article]

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