| Titre : |
Versatile self-crosslinking polyurethane dispersion for low VOC coatings across multiple markets |
| Type de document : |
texte imprimé |
| Auteurs : |
Aditi Chavannavar, Auteur ; Jacob P. Brutman, Auteur ; Don M. Barber ; P. Kangas |
| Année de publication : |
2018 |
| Article en page(s) : |
p. 11-12 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Adhésion
Auto-réticulation
Bois -- Revêtements protecteurs
Brillance (optique)
Essais de résilience
Formulation (Génie chimique)
Polyuréthanes
Résistance au chocs
Résistance aux taches
Résistance chimique
Revêtements -- Détérioration
Revêtements -- Propriétés mécaniques
Revêtements en phase aqueuse
Vernis en phase aqueuse
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Herein, we report the development of a low minimum film formation temperature (MFFT), self-crosslinking aliphatic polyurethane dispersion (PUD). It is capable of being incorporated into low volatile organic compound (VOC) formulations and combines good appearance, film formation and toughness with excellent hardness and abrasion resistance. In this study, we have evaluated the self-crosslinking PUD in various applications ; from high performance wood coatings to protective coatings for rigid plastics and as a top coat for metal. In this paper, we demonstrate the application properties of this resin, such as its hardness development, resistance to chemicals, adhesion, weathering etc. We also validate the versatility of this resin in several applications and assess the film formation and mechanical properties of the PUD. Lastly, we discuss how these influence the performance of the coatings. |
| Note de contenu : |
- A) FURNITURE AND FLOORING MARKET (WOOD COATINGS) : Formulations and application
- APPLICATION TESTING ON WOOD : Gloss - Hardness - Chemical and stain resistance - Chemical and stain resistance - Flexibility and impact resistance - Adhesion - Taber abrasion - Durability - Conclusion for wood coating applications
- Table 1. Properties of resins tested as wood coatings
- Table 2a. Clear formulation for PUD prototype
- Table 2b. Clear formulation for PUD A
- Table 2c. Clear formulation for PUD B
- Table 2d. Clear formulation for acrylic resin
- Table 2e. Clear formulation for 2K PU
- Table 2f. Clear formulation for PUD prototype/ acrylic 1:2 blend
- Table 2g. Clear formulation for PUD prototype/acrylic 2:1 blend
- Table 3. Chemical resistance of matte clear formulations on maple wood
- Table 4. Stain resistance of formulations on mapple wood
- Table 5. Impact resistance of coatings
- Table 6. Impact resistance of coatings
- Table 7. Adhesion of coatings on wood
- Table 8. VOC levels of formulations tested
- Fig. 1. Gloss of matte clear formulations on Leneta 2A cards
- Fig. 2. Konig penduum swing hardness test of matte clear formulations on aluminium
- Fig. 3. Taber abrasion of coatings
- Fig. 4. Weathering the coatings
|
| En ligne : |
https://drive.google.com/file/d/1GwpsqTdTqkWyuz-Cq44_iCm99lrdI-D6/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31253 |
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 208, N° 4645 (10/2018) . - p. 11-12
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Versatile self-crosslinking polyurethane dispersion for low VOC coatings across multiple markets in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 208, N° 4645 (10/2018)
