Highly weatherable low-VOC fluoropolymer coatings for building restoration / Kurt A. Wood in COATINGS TECH, Vol. 6, N° 8 (09/2009)

[article]  inCOATINGS TECH > Vol. 6, N° 8 (09/2009) . - p. 28-34 Titre : Highly weatherable low-VOC fluoropolymer coatings for building restoration Type de document : texte imprimé Auteurs : Kurt A. Wood, Auteur ; Ravi Gupta, Auteur ; Ron Partridge, Auteur Année de publication : 2009 Article en page(s) : p. 28-34 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Fluoropolymères Latex Polyfluorure de vinylidène Résines acryliques Revêtements en bâtiment Index. décimale : 667.9 Revêtements et enduits Résumé : Highly weatherable, 70% PVDF fluorocarbon finishes are among the most popular coatings for exterior architectural metal, but when a need arises to make repairs or change colors, the options for restoration paints are often rather limited. Nonfluorocarbon restoration paints will not match the original PVDF finish in terms of color stability. Many of the fluorocarbon restoration paint options can have their own drawbacks, such as high VOC, adhesion issues over PVDF finishes, and potlife/material handling issues for systems which are two-component. We present here new studies to adapt PVDF-acrylic hybrid latex technology to the needs of the building restoration market. New one-pack formulations achieve outstanding weatherability and excellent wet and dry adhesion to new and aged PVDF finishes, at VOC levels in the 100g/L range. Second generation latex materials under development are showing similar adhesion properties, in formulations meeting West Coast 50 g/L VOC requirements. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=6257 [article]

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New fluoropolymer latex clearcoat technology for the enhanced protection of heat-sensitive substrates / Céline Autran in COATINGS TECH, Vol. 6, N° 2 (02/2009)  

[article]  inCOATINGS TECH > Vol. 6, N° 2 (02/2009) . - p. 44-49 Titre : New fluoropolymer latex clearcoat technology for the enhanced protection of heat-sensitive substrates Type de document : texte imprimé Auteurs : Céline Autran, Auteur ; Kurt A. Wood, Auteur ; Ravi Gupta, Auteur Année de publication : 2009 Article en page(s) : p. 44-49 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Fluoropolymères Latex Photocatalyse Polyfluorure de vinylidène Protection thermique Revêtements protecteurs Vernis Index. décimale : 667.9 Revêtements et enduits Résumé : Poly(vinylidene fluoride) (PVDF) clearcoats have been used for over 20 years to extend the service life of architectural coil coatings, and new waterborne PVDF technology now provides a low-VOC route to extend the same protective properties to hear-sensitive substrates of all types, including flexible PVC, base coat paints containing organic pigments, and wood. The use of organic and inorganic UV absorbers can provide a further level of substrates protection in these systems, but for truly-term UV protection, the chemistry of the UV absorber itself within the topcoat also needs to be considered. In particular, we will present some surprising results, comparing the performance of organic and inorganic nanoparticle UV absorbers in PVDF latex coatings. En ligne : https://drive.google.com/file/d/1Mwtoj8PwLTqnYnaEgdvMOElg0NeotJct/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4042 [article]

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