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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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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Harings, Jules
Maastricht University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2024Anchoring Ties:Improving Environmental Stress Crack Resistance in HDPE with Styrenic Triblock Copolymer
- 2022Additive Manufacturing of α-Amino Acid Based Poly(ester amide)s for Biomedical Applicationscitations
- 2021Post-Modification of Biobased Pyrazines and Their Polyesterscitations
- 2021Additive manufactured scaffolds for bone tissue engineering: Physical characterization of thermoplastic composites with functional fillerscitations
- 2021The effect of copolymerization of cyclic dioxolane moieties on polyamide propertiescitations
- 2021Topographical Vacuum Sealing of 3D-Printed Multiplanar Microfluidic Structurescitations
- 2020Additive manufacturing of an elastic poly(ester)urethane for cartilage tissue engineeringcitations
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article
Post-Modification of Biobased Pyrazines and Their Polyesters
Abstract
Monomers and polymers from biobased pyrazine underwent post-modification reactions to synthesize a series of novel tailored polyesters with a tunable structure and adjustable physico-chemical properties. Modification by alkylation had limited success. However, controlled oxidative post-modification is possible, without loss of molecular weight. The degree of oxidation has a large effect on the thermal properties of the polyesters. One of the polyesters shows loss of crystallinity combined with an increase in the glass-transition temperature at increasing degrees of oxidation. For the other polyester, oxidation results in an elevated melting point. Weak hydrogen bonds are responsible for the latter observation as demonstrated by infrared spectroscopy. The surface modification of a polymer film results in different wetting behaviors. Our biobased pyrazine building blocks and their ability to be post-modified offer interesting opportunities in added functionality materials of the future.