Confocal microscope : A valuable tool for examining wood-coating interface / Adya P. Singh in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 1, N° 3 (07/2004)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 1, N° 3 (07/2004) . - p. 235-237 Titre : Confocal microscope : A valuable tool for examining wood-coating interface Type de document : texte imprimé Auteurs : Adya P. Singh, Auteur ; Bernard S. W. Dawson, Auteur Année de publication : 2004 Article en page(s) : p. 235-237 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Bois -- Revêtements protecteurs Bois -- Vernis Chimie des surfaces Durée de vie (Ingénierie) Interfaces (Sciences physiques) Microscopie confocale Photodétérioration Polyuréthanes Résistance aux conditions climatiques Index. décimale : 667.9 Revêtements et enduits Résumé : The suitability of confocal laser scanning microscopy (CLSM) in examining a wood-coating interface was evaluated using a clear coating system. A comparison of the images of the wood-clear coating interface obtained using CLSM and light microscopy (LM) showed a marked superiority of CLSM in revealing the details of the physical nature of the interaction between the clear coating and the wood cell walls in the surface layer. The most distinct advantage of CLSM was in its ability to clearly resolve penetration of the coating into very fine cracks in cell walls, details not obtainable with LM. The information presented here demonstrates that CLSM has the potential to greatly enhance our understanding of the physical aspects of an interaction between the wood and coating at the interface. DOI : 10.1007/s11998-004-0017-z En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-004-0017-z.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3915 [article]

Réservation

Réserver ce document

Exemplaires (1)

Code-barres	Cote	Support	Localisation	Section	Disponibilité
000587	-	Périodique	Bibliothèque principale	Documentaires	Disponible

Microscopic assessment of the effect of saw-textured pinus radiata plywood surface on the distribution of a film-forming acrylic stain / Adya P. Singh in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 3, N° 3 (07/2006)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 3, N° 3 (07/2006) . - P. 193-201 Titre : Microscopic assessment of the effect of saw-textured pinus radiata plywood surface on the distribution of a film-forming acrylic stain Type de document : texte imprimé Auteurs : Adya P. Singh, Auteur ; Bernard S. W. Dawson, Auteur Année de publication : 2006 Article en page(s) : P. 193-201 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Bois -- Revêtements protecteurs Conifères Contreplaqué Lasures Microscopie Morphologie (matériaux) Polyacryliques Index. décimale : 667.9 Revêtements et enduits Résumé : The micro-morphology of the wood-coating interface of saw-textured Pinus radiata plywood panels, which had been coated with a film-forming stain, was examined using a range of microscopic techniques. The surface appearance and tissue deformation characteristics of saw-textured plywood and the pattern of distribution of the applied coating were observed by combined light, confocal, and scanning electron microscopy. The saw-textured surface was highly irregular, with surface tissues greatly distorted, being bent, twisted, and occasionally detached, and showing extensive cell wall cracking. The applied coating conformed closely to the contours of the saw-textured surface, resulting in a highly variable film thickness. The film was thickest in the grooves and thinnest over the ridges, and in places discontinuous, particularly where wood cells protruded out of the wood surface. These and other salient features of the surface of saw-textured plywood are discussed in relation to the pattern of the applied acrylic stain topcoat. DOI : 10.1007/BF02774508 En ligne : https://link.springer.com/content/pdf/10.1007%2FBF02774508.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3692 [article]

Réservation

Réserver ce document

Exemplaires (1)

Code-barres	Cote	Support	Localisation	Section	Disponibilité
005076	-	Périodique	Bibliothèque principale	Documentaires	Disponible

Natural weathering performance of exterior wood coatings on pinus sylvestris and pinus radiata in Germany and New Zealand / Bernard S. W. Dawson in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 2, N° 7 (07/2005)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 2, N° 7 (07/2005) . - p. 539-546 Titre : Natural weathering performance of exterior wood coatings on pinus sylvestris and pinus radiata in Germany and New Zealand Type de document : texte imprimé Auteurs : Bernard S. W. Dawson, Auteur ; Guido Hora, Auteur ; Adelheid Göttgens, Auteur Année de publication : 2005 Article en page(s) : p. 539-546 Note générale : Bibliogr. Langues : Américain (ame) Tags : Océanie  Europe  Spermatophyta  Gymnospermae  Coniferales  Norme  EN  927  européenne  Propriété  chimique  Etude  expérimentale  comparative  Indice  climatique  essai  Méthode  mesure  Nouvelle  Zélande  Allemagne  Vieillissement  naturel  Alkyde  résine  Acrylique  dérivé  polymère  Evaluation  performance  Pinus  radiata  Résistance  intempérie  Durabilité  Adhérence  sylvestris  Peinture  Matériau  revêtement  Bois  produit Index. décimale : 667.9 Revêtements et enduits Résumé : The weathering of commercial coatings on pine sapwood in Germany and New Zealand was studied. The New Zealand site had a climatic index 50% more challenging. Significant differences in performance relating to coating, species, site, and exposure are presented. The coating and site had the most significant effects, while species had the least. A solvent-borne stain and a hybrid paint qualified for stable end-use situations in both countries. An acrylic paint performed better in Germany while an alkyd gave the poorest performance of the four coatings tested. More effective fungicidal coating properties are required in New Zealand to suppress mold growth. Areas of deficiency for internationalizing the European weathering standard EN 927 are discussed. DOI : 10.1007/s11998-005-0013-y En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-005-0013-y.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3801 [article]

Réservation

Réserver ce document

Exemplaires (1)

Code-barres	Cote	Support	Localisation	Section	Disponibilité
002327	-	Périodique	Bibliothèque principale	Documentaires	Disponible

A novel method for high-resolution imaging of coating distribution within a rough-textured plywood surface / Adya P. Singh in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 4, N° 2 (06/2007)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 4, N° 2 (06/2007) . - p. 207-210 Titre : A novel method for high-resolution imaging of coating distribution within a rough-textured plywood surface Type de document : texte imprimé Auteurs : Adya P. Singh, Auteur ; Bernard S. W. Dawson ; Anni Ratz, Auteur Année de publication : 2007 Article en page(s) : p. 207-210 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Bois -- Teinture Contreplaqué Huiles et graisses Imagerie numérique Interfaces (Sciences physiques) Microscopie électronique à balayage Pénétration (physique) Index. décimale : 667.9 Revêtements et enduits Résumé : A new method was developed which enabled us to obtain high-resolution images of the distribution of an oil-borne stain in a saw-textured plywood surface. The method involved treating 90 µm thick plywood sections, which had been cut transversely through the wood-coating interface using a sliding microtome, with osmium tetroxide (OsO4) prior to examination with a field-emission scanning electron microscope (FE-SEM) operating in backscattered electron imaging (BEI) mode. The combination of OsO4 staining and use of FE-SEM-BEI afforded excellent contrast differentiation between the coating and wood cell walls, revealing coating penetration into even nano-size cell wall cracks and delaminations formed during band-sawing of the plywood. The novel technique described adds a new dimension to probing wood-coating interface. DOI : 10.1007/s11998-007-9019-y En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-007-9019-y.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3663 [article]

Réservation

Réserver ce document

Exemplaires (1)

Code-barres	Cote	Support	Localisation	Section	Disponibilité
008269	-	Périodique	Bibliothèque principale	Documentaires	Disponible

---

1 (1 - 4 / 4)