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Duration of wood preweathering / R. Sam Williams in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 73, N° 920 (09/2001)
[article]
Titre : Duration of wood preweathering : effect on the service life of subsequently applied paint Type de document : texte imprimé Auteurs : R. Sam Williams, Auteur ; William C. Feist, Auteur Année de publication : 2001 Article en page(s) : p. 65-72 Note générale : Bibliogr. Langues : Américain (ame) Tags : Matériau revêtement Peinture Adhérence Thermoplastique Oléfine polymère Industrie automobile Matière plastique Méthode mesure Adjuvant Index. décimale : 667.9 Revêtements et enduits Résumé : The use of thermoplastic poly(olefins) in the automotive industry continues to proliferate due to their decreased cost and weight and increased recyclability in comparison to thermoplastics such as poly(carbonate) alloys or poly(urethanes). An attribute that continues to hamper the widespread introduction of thermoplastic poly(olefins), in particular thermoplastic olefin (TPO, a blend of impact copolymer and elastomer), into additional automotive components, however, is its poor surface wettability and adhesion. Adhesion promoter formulation, both in terms of resin composition and solvent variation, has been known to influence the adhesive propensity of topcoats when analyzed by typical tests such as peel strength. It has long been disputed, however, that peel strength is not a true measure of paint adhesion since it artificially introduces a film between the paint and the adhesion promoter to enable one to perform the test. In contrast, this paper discusses the use of a newly developed in-situ adhesion test, described as compressive shear delamination (CSD), to quantify the adhesive/cohesive propensity of coatings to a variety of TPO substrates. The effect of solvent type and chlorinated poly(olefin) (CPO) adhesion promoting resin on the adhesion/cohesion of topcoats to TPO is described. Chlorinated poly(olefin) type, followed by solvent variation, was shown to have the most significant impact on the adhesion/cohesion of topcoats. This newly described CSD protocol for determining the weak link in painted plastic may have a significant impact on the choice of topcoat, adhesion promoting primer formulation, and substrate in particular automotive applications. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5762
in JOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 73, N° 920 (09/2001) . - p. 65-72[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 001228 - Périodique Bibliothèque principale Documentaires Disponible Effect of preweathering, surface roughness, and wood species on the performance of paint and stains / R. Sam Williams in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 66, N° 828 (01/1994)
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Titre : Effect of preweathering, surface roughness, and wood species on the performance of paint and stains Type de document : texte imprimé Auteurs : R. Sam Williams, Auteur ; William C. Feist, Auteur Année de publication : 1994 Article en page(s) : p. 109-121 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Bois -- Effets du climat
Bois -- Revêtements protecteurs
Lasures
Revêtements:Peinture
Rugosité
Tests d'efficacité
VernisIndex. décimale : 667.9 Revêtements et enduits Résumé : To quantify the effect of preweathering of new wood surfaces on subsequent finish performance, unfinished wood siding was exposed outdoors for four or eight weeks. Following this preweathering, the specimens were finished with a variety of finishes and placed outdoors again for several years (weathered). The finished specimens were evaluated annually to determine the effect of preweathering on finish performance. The durabilities of 30 different finish systems, consisting of six finishes and five substrates, were evaluated over a five-year period. The wood species were primarily hardwoods and dense softwoods. For these dense species, which weather slowly, a few weeks of preweathering decreased paint performance. The effect of preweathering varied depending on the lenght of time the siding was preweathered, wood species, surface roughness, and finish. The results of the weathering were compared with the results of adhesion testing of similar panels preweathered before finishing. Note de contenu : - RESULTS AND DISCUSSION : Semitransparent stains - Acrylic latex primer and topcoat - Alkyd primer and acrylic latex topcoat - Alkyd primer and topcoat - Solid-color stains - Finish durability - Adhesion tests and durability Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18754
in JOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 66, N° 828 (01/1994) . - p. 109-121[article]Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 003475 - Périodique Bibliothèque principale Documentaires Exclu du prêt Evaluation of several finishes on severely weathered wood / R. Sam Williams in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 71, N° 895 (08/1999)
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Titre : Evaluation of several finishes on severely weathered wood Type de document : texte imprimé Auteurs : R. Sam Williams, Auteur ; Peter Sotos, Auteur ; William C. Feist, Auteur Année de publication : 1999 Article en page(s) : p. 97-102 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Bois -- Finition
Durée de vie (Ingénierie)
Huile de linL'huile de lin ou "huile de graines de lin" est une huile de couleur jaune d'or, tirée des graines mûres du lin cultivé, pressées à froid et/ou à chaud ; parfois elle est extraite par un solvant, en vue de l'usage industriel ou artistique, principalement comme siccatif, ou huile auto-siccative.
Les utilisations de l'huile de lin dérivent de sa richesse en acides gras polyinsaturés, en particulier en acides linolénique et linoléique, qui lui doivent leur nom.
L'huile de lin polymérise spontanément à l'air, avec une réaction exothermique : un chiffon imbibé d'huile peut ainsi, dans certaines conditions, s'enflammer spontanément.
Pour ses propriétés de polymère, l'huile de lin est employée seule, ou mélangée à d'autres huiles, résines et solvants, et est utilisée en tant que : Imprégnateur et protecteur des bois à l'intérieur comme à l'extérieur : protection contre l'humidité, les champignons et insectes, et contre la poussière par son caractère antistatique, composant de certains vernis de finition, liant de broyage pour la peinture à l'huile, agent plastifiant du mastic de vitrier, agent durcisseur de diverses préparations, agent de cohérence et liant dans la fabrication du linoléum.
Lasures
Latex
Polyalkydes
Revêtements -- Défauts
Séquoia
ThuyaIndex. décimale : 667.9 Revêtements et enduits Résumé : Alkyd-, oil-modified-latex-, and latex-based finishes were applied to severely weathered western redcedar and redwood boards that did not have any surface treatment to ameliorate the weathered surface prior to painting. Six finishes were evaluated annually for 11 years for cracking, flaking, erosion, mildew growth, discoloration, and general appearance. Lowsolids-content latex finishes that contained about 10% raw linseed oil and 11% acrylic resin (i.e., the oil-modified latex finishes) performed better on badly weathered wood than did the alkyd and the other latex finish, even after 11 years. Latex finishes that contained raw linseed oil probably stabilized the weathered surface and plasticized the finish. The stabilization of the wood surface and the flexibility of the finish throughout its service life are the important factors in finish performance on these weathered substrates. Note de contenu : - EXPERIMENTAL : Materials - Methods
- RESULTS AND DISCUSSION : Erosion - Cracking - Flaking - Discoloration and general appearance - Overall evaluation after eleven yearsPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17926
in JOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 71, N° 895 (08/1999) . - p. 97-102[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 003563 - Périodique Bibliothèque principale Documentaires Disponible Finishing exterior wood / William C. Feist / Blue Bell [Etats-Unis] : Federation of societies for coatings technology (1996)
Titre : Finishing exterior wood Type de document : texte imprimé Auteurs : William C. Feist, Auteur Editeur : Blue Bell [Etats-Unis] : Federation of societies for coatings technology Année de publication : 1996 Collection : Federation series on coatings technology Importance : 44 p. Présentation : ill. Format : 28 cm Note générale : Voir classeur rouge (côte USUEL 667.9 FED) - Bibliogr. Langues : Américain (ame) Langues originales : Américain (ame) Catégories : Bois -- Finition
Bois extérieursIndex. décimale : 667.9 Revêtements et enduits Note de contenu : I. INTRODUCTION
II. WOOD PROPERTIES AND FINISH DURABILITY : A. Natural characteristics - B. Manufacturing characteristics
III. FINISHING CHARACTERISTICS
IV. CONSTRUCTION PRACTICES : A. Controlling moisture content - B. Siding application
V. WOOD PRODUCTS USED OUTDOORS : A. Lumber - B. Plywood - C. Reconstituted wood products - D. Treated wood products - E. Fire retardants and fire-retardant coatings for wood
VI. WEATHERING OF WOOD : A. Steps in the weathering process - B. Rate of weathering - C. Surface deterioration - D. Wood-based composites - E. Artificial weathering - F. Precautions for weathering wood - G. Acidic deposition
VII. TYPES OF EXTERIOR WOOD FINISHES : A. Opaque finishes - B. Natural wood finishes - C Fire-retardant coatings - D. Volatile organic compounds
VIII. APPLICATION OF EXTERIOR WOOD FINISHES : A. Opaque coatings - B. Natural finishes
IX. SPECIAL APPLICATIONS : A Decks and porches - B. Fences - C. Roofs - D. Log structures - E. Structures in marine environments - F. Treated wood
X. FINISH FAILURE OF DISCOLORATION PROBLEMS AND THEIR CURE : A. Dirt - B. Mildew - C. Peeling and cracking - D. Blistering - E. Discoloration due to water-soluble extractives - F. Chalking - G. Iron stains - H. Blue stain - I. Brown stain over knots - J. Exudation of pitch - K. Water stain
XI. REMOVAL OF FINISHESPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=274 Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 0865 667.9 FED 11 Monographie Bibliothèque principale Documentaires Exclu du prêt Documents numériques
Finishing exterior woodURL Painting and finishing exterior wood / William C. Feist in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 68, N° 856 (05/1996)
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Titre : Painting and finishing exterior wood Type de document : texte imprimé Auteurs : William C. Feist, Auteur Année de publication : 1996 Article en page(s) : p. 23-26 Langues : Américain (ame) Catégories : Bois -- Revêtements protecteurs
Bois extérieurs
Revêtements
Revêtements -- Finition
Revêtements en bâtiment
VernisIndex. décimale : 667.9 Revêtements et enduits Résumé : Wood continues to play an important role as a structural material in today's high-tech society. As lumber and in reconstituted products, wood is commonly used for house siding, trim, decks, fences, and countless other exterior and interior applications. When wood is exposed to the elements, particularly sunlight and moisture, special precautions must be taken in structural design as well as in the selection and application of the finish.
This report briefly describes the characteristics of wood finishes and their proper application to solid and reconstituted wood products. It describes how manufacturing and construction practices affect the surfaces of wood products, how various types of finishes interact with the surface, and how weathering affects the finished surfaces. Methods for selecting various exterior wood finishes are presented.Note de contenu : - Wood properties and finish durability
- Finishing characteristics
- Wood products used outdoors
- Weathering of wood
- Types of exterior wood finishesPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18474
in JOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 68, N° 856 (05/1996) . - p. 23-26[article]Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 003526 - Périodique Bibliothèque principale Documentaires Exclu du prêt 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)
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