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New technology for enhancing wood-plastic composites / Kelly Williams in COATINGS TECH, Vol. 4, N° 8 (08/2007)  

[article]  inCOATINGS TECH > Vol. 4, N° 8 (08/2007) . - p. 52-57 Titre : New technology for enhancing wood-plastic composites Type de document : texte imprimé Auteurs : Kelly Williams, Auteur ; Bernard Bauman, Auteur Année de publication : 2007 Article en page(s) : p. 52-57 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Adhésion Composites à fibres végétales Energie de surface Fluoro-oxydation Polyéthylène haute densité Revêtements -- Séchage sous rayonnement ultraviolet:Peinture -- Séchage sous rayonnement ultraviolet Traîtements de surface Index. décimale : 667.9 Revêtements et enduits Résumé : Wood-plastic composites (WPC) are the combination of wood fibers, most commonly wood four waste, and a thermoplastic such as high density polyethylene (HDPE), polypropylene (PP), or PVC. The polymer content is generally 40-50% by weight. WPCs are extruded into profile shapes via continuous extrusion for the building and construction products industry as an alternative to wood and treated wood. Consumers are choosing WPC over wood, even though it costs more, because of lower maintenance requirements and aesthetic appeal. WPC does not require painting, resists warping and termite attack, and is generally resistant to moisture-related issues such as mold development. Note de contenu : - Industry background - Problems need to be solved - Technology overview : Surface modification - Coating material and process - Fig. 1 : Reaction mechanism for fluorooxidation of polyethylene - Table 1 : Surface energy of WPC before and after fluorooxidation - Table 2 : ASTM D 3359 cross-hatch adhesionresults - Table 3 : UV-cured paint performance results En ligne : https://drive.google.com/file/d/1fuQkPKV19s3zJAzxW0AApjIuZNroAukL/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3590 [article]

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Service life of finishes on smooth-planed and saw-textured western redcedar bevel siding / R. Sam Williams in COATINGS TECH, Vol. 4, N° 8 (08/2007)  

[article]  inCOATINGS TECH > Vol. 4, N° 8 (08/2007) . - p. 58-70 Titre : Service life of finishes on smooth-planed and saw-textured western redcedar bevel siding Type de document : texte imprimé Auteurs : R. Sam Williams, Auteur ; William C. Feist, Auteur Année de publication : 2007 Article en page(s) : p. 58-70 Note générale : Bibliogr. Langues : Américain (ame) Résumé : The performance of 35 finishes (clear water-repellent preservatives; lightly pigmented, water-repellent preservatives; semitransparent stains; solid-color stains; and paints) applied to newly planed, vertical-grained; factory-planed, flat-grained; or saw-textured, vertical-grained western redcedar bevel siding was evaluated for cracking, erosion, and general appearance over 14 years of outdoor exposure at two sites (Madison, WI, and Gulfport, MS). Service life was dependent on the wood surface and increased in the following order: clear water-repellent preservatives; lightly pigmented, water-repellent preservatives; semitransparent stains; solidcolor stains, and paints. The performance was about the same for both the flat-grained and vertical-grained smooth-planed bevel siding but was greatly improved for almost all finish systems on the saw-textured western redcedar bevel siding. En ligne : https://drive.google.com/file/d/1DUpuJAr4q5Mvhvu2s3sNgABukPBBkAwd/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3591 [article]

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