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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Ali, M. A. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Rignanese, Gian-Marco |
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Boetje, Laura
University of Groningen
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2023Starch ester film propertiescitations
- 2023Starch ester film properties:The role of the casting temperature and starch its molecular weight and amylose contentcitations
- 2023Thiol-Ene Click Cross-linking of Starch Oleate Films for Enhanced Propertiescitations
- 2019Supramolecular Mimic for Bottlebrush Polymers in Bulkcitations
- 2019Supramolecular Mimic for Bottlebrush Polymers in Bulkcitations
- 2019Supramolecular Mimic for Bottlebrush Polymers in Bulkcitations
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article
Thiol-Ene Click Cross-linking of Starch Oleate Films for Enhanced Properties
Abstract
<p>Biobased films were synthesized from starch oleate (DS = 2.2) cross-linked with polyethylene glycol with M<sub>n</sub> = 2000 and 1000 g · mol<sup>-1</sup>, and ethylene glycol, all of which were esterified with either lipoic acid (LA) or 3-mercaptopropionic acid (MPA). Cross-linking was achieved through a UV-initiated thiol-ene click, and confirmed by Fourier transform infrared spectroscopy and rheometry. The films exhibit higher degradation temperatures, and an increased degree of crystallinity as cross-linker length increased. The introduction of MPA-based cross-linkers resulted in hydrophilic films, while the contact angle was barely affected by the addition of LA-based cross-linkers. A reduction in maximum strength upon introducing the cross-linkers was observed, while an increase in elongation was observed for most of the LA-based cross-linkers. Our results demonstrate the potential for tuning the mechanical and thermal properties of starch-based films through the cross-linker choice, with some formulations exhibiting increased flexibility that may be well suited for packaging applications.</p>