[article]
| Titre : |
Novel bio-based poly(vinylether)s for coating applications |
| Type de document : |
texte imprimé |
| Auteurs : |
Bret J. Chisholm, Auteur ; Harjoyti Kalita, Auteur ; Deep Kalita, Auteur ; Samim Alam, Auteur ; Andrey Chernykh, Auteur ; Ihor Tarnavchyk, Auteur ; James Bahr, Auteur ; Sathyabrata Samanta, Auteur ; Anurad Jayasooriyamu, Auteur ; Shashi Fernando, Auteur ; Sermadurai Selvakumar, Auteur ; Dona Suranga Wickramaratne, Auteur ; Mukund Sibi, Auteur |
| Année de publication : |
2015 |
| Article en page(s) : |
p. 48-54 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Biomatériaux
Copolymères -- Synthèse
Polyvinyl éther
Revêtements:Peinture
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Linear, soluble polymers were produced from unsaturated bio-based compounds using a carbocationic polymerization process. The unsaturated bio-based that were first converted to vinyl ether monomers and subsequently polymerized were plant oil triglycerides, cardanol, and eugenol. As a result of the much higher reactivity of the vinyl ether group compared to the unsaturation derived from the bio-based compounds and the ability to tailor the cationic polymerization process, polymerization was exclusively limited to vinyl ether groups. By oreserving the unsaturation derived from the bio-based compounds, the polymers could be crosslinked into insoluble coatings by autoxidation. In addition, the unsaturation can be converted to other functional groups, such as epoxy, which enable other crosslinking mechanisms. This document describes some of the polymers and coatings that have been produced with the technology. |
| Note de contenu : |
- Polymers based on plant oils
- Polymers based on cardanol
- Polymers based on eugenol
- FIGURES : 1. Schematic illustrating the autoxidation process - 2. Synthetic scheme used to produce a novel soybean oil-based vinyl ether monomer - 3. Polymerization system utilized for the production of plant oil-based polyvinyl ether - 4. Vinyl ether monomers copolymerized with 2-VOES - 5. Variation in Tg with comonomer content for 2-VOES-based copolymer films cured at room temperature by autoxidation - 6. Tack-free time as a function of PEGEVE repeat unit content, and an image of a coated glass panel partially laid over the NDSU logo - 7. Schematic illustrating cardanol ethyl vinyl ether synthesis - 8. Illustration of resonance stabilization of a radical generated by hydrogen abstraction by singlet oxygen - 9. Synthetic scheme used to produce an epoxidised version of poly(EEVE) - 10. Viscoelastic properties of the network derived from epoxidized poly(EEVE) and DETA
- TABLES : 1. Data for cured films of polycardanol ethyl vinyl ether - Data for cured films of polyeugenol ethyl vinyl ether - 3. Data for coatings based on epoxidized polyEEVE and DGEBPA cast and cured on steel substrates |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29442 |
in COATINGS WORLD > Vol. 20, N° 9 (09/2015) . - p. 48-54
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