| People | Locations | Statistics |
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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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Reisinger, David
Polymer Competence Center Leoben (Austria)
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024Cationic UV-curing of bio-based epoxidized castor oil vitrimers with electrically conductive propertiescitations
- 2024Cationic UV-curing of bio-based epoxidized castor oil vitrimers with electrically conductive propertiescitations
- 2024Rapid tooling for rubber extrusion molding by digital light processing 3D printing with dual curable vitrimerscitations
- 2024Vitrimer Transition Phenomena from the Perspective of Thermal Volume Expansion and Shape (In)stabilitycitations
- 2024Design of Reversible Adhesives by Using a Triple Function of Ionic Liquidscitations
- 2023Thermally Latent Bases in Dynamic Covalent Polymer Networks and their Emerging Applicationscitations
- 2023On‐Demand Activation of Transesterification by Chemical Amplification in Dynamic Thiol‐Ene Photopolymerscitations
- 2023Sustainable Bio-Based UV-Cured Epoxy Vitrimer from Castor Oilcitations
- 2023Sustainable Bio-Based UV-Cured Epoxy Vitrimer from Castor Oilcitations
- 2021High resolution additive manufacturing with acrylate based vitrimers using organic phosphates as transesterification catalystcitations
- 2021Introduction of Photolatent Bases for Locally Controlling Dynamic Exchange Reactions in Thermo-Activated Vitrimerscitations
Places of action
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article
On‐Demand Activation of Transesterification by Chemical Amplification in Dynamic Thiol‐Ene Photopolymers
Abstract
<jats:title>Abstract</jats:title><jats:p>Chemical amplification is a well‐established concept in photoresist technology, wherein one photochemical event leads to a cascade of follow‐up reactions that facilitate a controlled change in the solubility of a polymer. Herein, we transfer this concept to dynamic polymer networks to liberate both catalyst and functional groups required for bond exchange reactions under UV irradiation. For this, we exploit a photochemically generated acid to catalyse a deprotection reaction of an acid‐labile tert‐butoxycarbonyl group, which is employed to mask the hydroxy groups of a vinyl monomer. At the same time, the released acid serves as a catalyst for thermo‐activated transesterifications between the deprotected hydroxy and ester moieties. Introduced in an orthogonally cured (450 nm) thiol‐click photopolymer, this approach allows for a spatio‐temporally controlled activation of bond exchange reactions, which is crucial in light of the creep resistance versus reflow ability trade‐off of dynamic polymer networks.</jats:p>