Ultraviolet chambers based on integrating spheres for use in artificial weathering / Joannie W. Chin in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 74, N° 929 (06/2002)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 74, N° 929 (06/2002) . - p. 39-44 Titre : Ultraviolet chambers based on integrating spheres for use in artificial weathering Type de document : texte imprimé Auteurs : Joannie W. Chin, Auteur ; Eric Byrd, Auteur ; Ned Embree, Auteur ; Jonathan Martin, Auteur ; J. D. Tate, Auteur Année de publication : 2002 Article en page(s) : p. 39-44 Note générale : Bibliogr. Langues : Américain (ame) Tags : Appareillage  essai  Polymère  Irradiation  UV  Essai  vieillissement  accéléré  Peinture  Matériau  revêtement Index. décimale : 667.9 Revêtements et enduits Résumé : Laboratory ultraviolet (UV) chambers are widely used to obtain weathering data for a wide range of commercial polymer products including coatings, textiles, elastomers, plastics, and polymeric composites. Although numerous improvements have been made in the design of UV chambers over the last 80 years, the reproducibility of the exposure results from these chambers has remained elusive. This lack of reproducibility is attributed to systematic errors in their design, operation, and control which prevent direct comparisons of the performance of materials exposed in the same environment, comparisons of the performance of the same material exposed in different laboratories, and the comparison of field and laboratory results. This paper describes an innovative UV chamber design based on integrating sphere technology that greatly reduces the magnitude of these errors, as well as provides additional experimental capabilities. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5645 [article]

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