| Titre : |
Improving wet adhesion of water-borne acrylic dispersion on wood by bond activation |
| Type de document : |
texte imprimé |
| Auteurs : |
Guido Hora, Auteur |
| Année de publication : |
2004 |
| Article en page(s) : |
p. 175-179 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Adhésion humide
Bois -- Revêtements
Polyacryliques
Revêtements en phase aqueuse
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
A significant shortcoming in the majority of commercially-available acrylic water-borne copolymer systems for exterior wood is their inability to maintain their good adhesion properties to the wood substrate under the influence of moisture (wet adhesion). The formation of covalent bonds between water-borne acrylic dispersions and softwood (European pine heart- and sapwood) and hardwood (dark red meranti, mahogany) species mainly comprise polar-reactive hydroxyl-groups at the cellulose, and hemi-cellulose polymeric chains are highlighted. The improvement in early wet adhesion bonding by adding functional monomers into acrylic polymeric chains and alternatively by wood surface activation are analysed, interpreted and discussed by a modified adhesion pull-off test method following ISO 24624 and by surface tension measurements. Implications towards the formulation of new types of wood acrylic dispersions are derived. |
| Note de contenu : |
- THEORETICAL BACKGROUND OF WOOD COATING ATHESIVE INTERACTIONS : General description - Bond activation mechanisms - Functional adhesion promotors
- MATERIALS AND METHODS
- RESULTS : Influence of plasma treatment on the activation of polar groups on pine sapwood - Pull-off value of acrylic dispersions in relation to some adhesion-relevant parameters
- Table 1 : Investigated water-borne acrylic dispersion of semi-commercial character |
| DOI : |
10.1007/BF02699632 |
| En ligne : |
https://link.springer.com/content/pdf/10.1007/BF02699632.pdf |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5455 |
in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS > Vol. 87, B3 (09/2004) . - p. 175-179
Aller sur edunet
Accueil
Improving wet adhesion of water-borne acrylic dispersion on wood by bond activation in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS, Vol. 87, B3 (09/2004)
