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COATINGS TECH . Vol. 3, N° 2Accelerated UV weathering of polymeric systems / Market update : The inks market / Analytical series : Optical microscopyMention de date : 02/2006 Paru le : 14/02/2006 |
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Ajouter le résultat dans votre panierAccelerated UV weathering of polymeric systems : recent innovations and new perspectives / Joannie W. Chin in COATINGS TECH, Vol. 3, N° 2 (02/2006)
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Titre : Accelerated UV weathering of polymeric systems : recent innovations and new perspectives Type de document : texte imprimé Auteurs : Joannie W. Chin, Auteur ; Tinh Nguyen, Auteur ; Xiaohong Gu, Auteur ; Eric Byrd, Auteur ; Jonathan Martin, Auteur Année de publication : 2006 Article en page(s) : p. 20-26 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 667.9 Revêtements et enduits Résumé : Polymeric materials used in an outdoor environment are subjected to a wide variety of environmental factors, including solar ultraviolet (UV) radiation, temperature, and moisture, in a process known as weathering. Understanding the factors that govern the weathering performance of commercial polymeric materials has great practical importance, as does the ability to relate laboratory performance of a polymeric system to its performance in the field. At present, the full potential of these materials is inhibited by the absence of a methodology for accurately predicting their service life during exposure in their end-use environments. A reliability-based methodology utilizing total effective dosage as an exposure metric has been proposed as an alternative to the conventional methodology for carrying out laboratory and outdoor weathering studies. The use of this proposed methodology involves not only a shift in paradigm but also in the way that laboratory and outdoor weathering experiments are carried out. The concepts of reciprocity and additivity, which were first introduced by the photographic community and then studied by the medical and biological communities, are also proposed as models for synthetic polymeric systems. En ligne : https://drive.google.com/file/d/1sdM_jq9cpGhaWi6mm-LpkVhp6zk44N5p/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5491
in COATINGS TECH > Vol. 3, N° 2 (02/2006) . - p. 20-26[article]Réservation
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Titre : Optical microscopy Type de document : texte imprimé Auteurs : Clifford K. Schoff, Auteur Année de publication : 2006 Article en page(s) : p. 36-43 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 667.9 Revêtements et enduits Résumé : Optical (light) microscopy is a powerful aid in defect and problem identification and root cause analysis. The author considers it the best single tool in problem solving. This article describes the main types of magnifying devices used in the coatings industry, including low magnification lenses, stereomicroscopes, and compound microscopes. It discusses reflected and transmitted light microscopy and the use of different kinds of illumination, particularly bright field and dark field. It reviews specific applications, including the examination of surfaces, fibers and other particles, cross sections, and liquids. Ancillary equipment such as cameras, hot and cold stages, and reticules (reticles) are mentioned. The final word is that as useful as the microscope is, users should be careful in drawing conclusions strictly from what they see. You can be fooled! En ligne : https://drive.google.com/file/d/1V4ZLl23V7cOUwFsCW6TvPHk_-o83iacj/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5492
in COATINGS TECH > Vol. 3, N° 2 (02/2006) . - p. 36-43[article]Réservation
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