| Titre : |
Novel oil modified urethane for wook flooring applications |
| Type de document : |
texte imprimé |
| Auteurs : |
Yuting Li, Auteur ; Shi Yang, Auteur ; Scott Cooley, Auteur |
| Année de publication : |
2018 |
| Article en page(s) : |
p. 38-43 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Agent mattant
Bois -- Revêtements
Brillance (optique)
Dureté (matériaux)
Epaississants
Formulation (Génie chimique)
Polyuréthanes
Résistance à l'abrasion
Résistance chimique
Revêtement -- Séchage
Revêtements en phase aqueuse
Rhéologie
Souplesse (mécanique)
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Vegetable oil modified urethane (OMU) has been widely used in wood flooring applications for many decades. Due to tightening volatile organic compound (VOC) regulations in recent years, the market has been slowly shifting towards waterborne systems. However, most of the current waterborne OMUs either still contain N-Methyl-2-pyrrolidone (NMP), or the VOC is still relatively high at 135–250 g/L, while the nonvolatile (NV) content is relatively low at 32–38% and thus requires multiple coats to achieve performance properties.1 This article demonstrates a recent breakthrough in the development of a novel NMP-free waterborne OMU with a VOC <100 g/L and a high 45% NV content that maintains the exceptional performance properties of traditional solventborne and waterborne OMUs in the market. Its potential applications include but are not limited to high performance clear wood floor coatings, conformal coatings, air dry, and force cure coatings. |
| Note de contenu : |
- Dry time
- Gloss
- Hardness
- Rheology profile
- Mar resistance
- Chemical resistance
- Solvent resistance
- Flexibility
- Abrasion resistance
- Table 1 : Commercially available waterborne OMUs
- Table 2 : Dry time of novel waterborne OMU vs commercially available waterborne OMUs
- Table 3 : Hardness of novel waterborne OMU vs commercially available waterborne OMUs
- Table 4 : Chemical resistance of novel waterborne OMU vs commercially available waterborne OMUs
- Table 5 : Solvent resistance of novel waterborne OMU vs commercially available waterborne OMUs
- Fig. 1 : Waterborne OMU dryiing process
- Fig. 2 : Novel waterborne OMU dilution curve with and water and cosolvent
- Fig. 3 : Gloss of novel waterborne OMU vs commerciallya available waterborne OMUs
- Fig. 4 : Novel waterborne OMU gloss vs level of untreatef fumed silica flatting agent
- Fig. 5 : Viscosity of novel waterborne OMU vs level of polyurethane-based associative thickener
- Fig. 6 : Abrasion resistance of novel waterborne OMU vs commercially available OMUs |
| En ligne : |
https://drive.google.com/file/d/1EVPoJFB7HxnKf-RN9LNRlsCaUCJmkJ7r/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31205 |
in COATINGS TECH > Vol. 15, N° 6 (06/2018) . - p. 38-43
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Novel oil modified urethane for wook flooring applications in COATINGS TECH, Vol. 15, N° 6 (06/2018)
