| 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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Schuschnigg, Stephan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (34/34 displayed)
- 2024Simulation of the Melting Region in Additive Manufacturing Material Extrusion Dies for Highly Filled Feedstocks
- 2024Comparative analysis of binder systems in copper feedstocks for metal extrusion additive manufacturing and metal injection mouldingcitations
- 2024Production of Permanent Magnets from Recycled NdFeB Powder with Powder Extrusion Mouldingcitations
- 2024Binder System Composition on the Rheological and Magnetic Properties of Nd-Fe-B Feedstocks for Metal Injection Moldingcitations
- 2024Rapid tooling for rubber extrusion molding by digital light processing 3D printing with dual curable vitrimerscitations
- 2024Additive Manufacturing Material Extrusion @ Institute of Polymer Processing
- 2023Susmagpro
- 2023Debinding And Sintering Strategies For Fused Filament Fabrication Of Aluminium Alloyscitations
- 2023Effects of Different Polypropylene (PP)-Backbones in Aluminium Feedstock for Fused Filament Fabrication (FFF)citations
- 2023Validation Of Alternative Binders for Pellet Extrusion 3D Printing Of 316L Steels
- 2022Research Progress on Low-Pressure Powder Injection Moldingcitations
- 2022In-situ alignment of 3D printed anisotropic hard magnetscitations
- 2021Thermal conductive, electrically insulating polymer compounds using material extrusion additive manufacturing for electronic parts
- 2021Powder content in powder extrusion moulding of tool steelcitations
- 2020Additive Fertigung metallischer und keramischer Bauteile
- 2019Fabrication and properties of extrusion-based 3D-printed hardmetal and cermet componentscitations
- 2019Filament-extrusion 3D printing of hardmetal and cermet parts
- 2018Feedstocks for the Shaping-Debinding-Sintering Process of Multi Material Components
- 2018Adhesion of standard filament materials to different build platforms in material extrusion additive manufacturing
- 2018Material Extrusion Additive Manufacturing for Photocatalytic Applications
- 2018Highly-filled Polymers for Fused Filament Fabrication
- 2018Additive Manufacturing of Metallic and Ceramic Components by the Material Extrusion of Highly-Filled Polymerscitations
- 2018Polypropylene Filled With Glass Spheres in Extrusion‐Based Additive Manufacturingcitations
- 2017Effect of the printing bed temperature on the adhesion of parts produced by fused filament fabricationcitations
- 2016Dissipative particle dynamics simulations of orientation of layered silicate particles embedded in polymer melts under shear flowscitations
- 2016Structure of Polypropylene Macromolecules in the Vicinity of Fe2O3 Surface
- 2016Effect of Particle Size on the Properties of Highly-Filled Polymers for Fused Filament Fabrication
- 2016Bonding Forces in Fused Filament Fabrication
- 2016Coupled Orientation and Stretching of Chains in Mesoscale Models of Polydisperse Linear Polymers in Startup of Steady Shear Flow Simulationscitations
- 2016Haftungsvorhersage und Haftungsverbesserung im Fused Filament Fabrication (FFF) Prozess
- 2016Special Materials and Technologies for Fused Filament Fabrication
- 2016Properties for PIM Feedstocks Used in Fused Filament Fabrication
- 2016Optimization of twin screw extrusion using CFD for polymer/nanoclay composites
- 2015Optimization of Twin Screw Extrusion using CFD for Polymer/Nanoclay Composites
Places of action
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article
Rapid tooling for rubber extrusion molding by digital light processing 3D printing with dual curable vitrimers
Abstract
<jats:title>Abstract</jats:title><jats:p>For the manufacture of extrusion dies, three‐dimensional (3D) printing with photopolymers offers numerous advantages including flexibility, high surface quality, decent build speed, low costs and a reduced amount of waste. However, the majority of photocurable resins used in vat photopolymerization 3D printing rely on acrylates, which entail 3D‐printed objects with poor mechanical properties. In particular, the high brittleness limits their application in rapid tooling, for which tough materials with high glass transition temperatures (<jats:italic>T</jats:italic><jats:sub>g</jats:sub>) are required. In the present study, we highlight the use of dual curable acrylate‐epoxy resins with dynamic covalent bonds for the direct fabrication of extrusion dies. During digital light processing (DLP) 3D printing the acrylate network is formed, whose toughness and thermal stability are significantly enhanced by the thermoactivated formation of a second network. By following a postbaking procedure, aminoglycidiyl monomers are cured with an anhydride hardener bearing bulky norbornene groups yielding interpenetrating polymer networks with a <jats:italic>T</jats:italic><jats:sub>g</jats:sub> > 100°C. The tertiary amine groups present in the structure of the aminoglycidyl derivatives do not only accelerate the ring‐opening reaction but also act as internal catalysts and activate bond exchange reactions between free –OH groups and ester moieties available in the photopolymer. This is confirmed by rheometer studies showing a distinctive stress relaxation at elevated temperature and giving rise to a possible reprocessability of the 3D‐printed dies. With a selected resin formulation, a set of dies is printed by DLP 3D printing, with which a highly filled rubber compound is successfully extruded. The results clearly show that dual curable resins with dynamic covalent bonds are a promising class of material for rapid tooling and pave the way towards a customized and convenient fabrication of extrusion dies for rubber processing.</jats:p>