[article]
| Titre : |
Two-component UV-curable waterborne CO2-based polyurethane dispersion with outstanding flexibility |
| Type de document : |
texte imprimé |
| Auteurs : |
Zhu Ding, Auteur ; Jiahui Chen, Auteur ; Zonglin He, Auteur ; Chaozhi Wang, Auteur ; Hualin Li, Auteur ; Zhenhong Huang, Auteur ; Baohua Liu, Auteur ; Lina Song, Auteur |
| Année de publication : |
2023 |
| Article en page(s) : |
p. 1569-1578 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Acidité
Caractérisation
Diols
Dioxyde de carbone
Polycarbonate de propylèneLe carbonate de polypropylène (PPC), un copolymère d'anhydride carbonique et d'oxyde de propylène, est un thermoplastique. Des catalyseurs tels que le glutarate de zinc sont utilisés dans sa polymérisation.
Polyuréthanes
Résistance chimique
Revêtements -- Propriétés mécaniques
Revêtements -- Propriétés thermiques
Revêtements bi-composant
Revêtements en phase aqueuse -- Séchage sous rayonnement ultraviolet
Souplesse (mécanique)
Thermogravimétrie
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
A series of two-component UV-curable waterborne CO2-based polyurethane dispersions (UV-PUDs) with excellent flexibility and mechanical strength were synthesized from poly(propylene carbonate) diol (PPCD), isophorone diisocyanate (IPDI), 2,2-bis(hydroxymethyl) propionic acid (DMPA), 2-hydroxyethyl acrylate (HEA), pentaerythritol triacrylate (PETA) and 1,4-butanediol (BDO). One component was UV-curable waterborne polyurethane terminated by HEA and PETA (molar ratio 1:1), and the other component was linear waterborne polyurethane. The content of the UV-curable component in UV-PUD was 15%, 30%, 45%, 60%, and 100% (weight content). The obtained cured films exhibited superior flexibility without loss of tensile strength, accompanied by excellent acid and alkali resistance. In particular, the dried UV-PUD films without curing showed good mechanical properties. |
| Note de contenu : |
- EXPERIMENTAL : Materials - Synthesis of UV-PUD - Preparation of UV-PUD film - Characterization
- RESULTS AND DISCUSSION : FTIR analysis - Effect of photoinitiator dosage on unsaturation conversion - Performances of UV-PUDs - Unsaturation conversions of UV-PUDs - Performances of UV-PUD cured films - Thermal properties
- Table 1 : Reactant proportion of UV-PUDs
- Table 2 : Performances of UV-PUDs
- Table 3 : Properties of UV-PUD cured films
- Table 4 : Absorption rates of UV-PUD cured films to various solvents
- Table 5 : Mechanical properties and chemicals resistance of UV-PUDs films
- Table 6 : TGA data of UV-PUD cured films |
| DOI : |
https://doi.org/10.1007/s11998-023-00763-w |
| En ligne : |
https://link.springer.com/content/pdf/10.1007/s11998-023-00763-w.pdf?pdf=button% [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39972 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 20, N° 5 (09/2023) . - p. 1569-1578
[article]
|
Aller sur edunet
Accueil
Ajouter le résultat dans votre panier Affiner la rechercheTwo-component UV-curable waterborne CO2-based polyurethane dispersion with outstanding flexibility / Zhu Ding in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 5 (09/2023)
