| Titre : |
Fully bio-based aliphatic thermoset polyesters via self-catalyzed self-condensation of multifunctional epoxy monomers directly extracted from natural sources |
| Type de document : |
texte imprimé |
| Auteurs : |
Samer Nameer, Auteur ; Mats Johansson, Auteur |
| Année de publication : |
2017 |
| Article en page(s) : |
p. 757-765 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Biomatériaux
Catalyse
Composés aliphatiques
Epoxydes
Polymères aliphatiques
Thermodurcissables
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
The use of bio-based raw material is regarded as a sustainable way to address environmental concerns. A naturally occurring monomer, 9,10-epoxy-18-hydroxyoctadecanoic acid (EFA), was retrieved from outer birch bark. A series of model experiments revealing relative reaction rates for epoxide, carboxylic acid, and alcohol functional groups was investigated. Real-time Fourier transform infrared spectroscopy and nuclear magnetic resonance were used to follow the different model experiments. The results on the model systems were then compared to the thermoset formation of thermally cured EFA. Finally, the adhesive properties of crosslinked EFA on different substrates were evaluated. |
| Note de contenu : |
- EXPERIMENTAL : Materials - Procedures - Analytical techniques
- RESULTS AND DISCUSSION : Relative reaction rates in model systems - The reaction of EFA at elevated temperature toward a thermoset structure - Crosslinking of EFA-based thermoset between different substrates |
| DOI : |
10.1007/s11998-017-9920-y |
| En ligne : |
https://link.springer.com/content/pdf/10.1007%2Fs11998-017-9920-y.pdf |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28918 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 14, N° 4 (07/2017) . - p. 757-765
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