Pandemic-driven development of a medical-grade, economic and decentralized applicable polyolefin filament for additive fused filament fabrication / Felix Burkhardt, Carl G. Schirmeister, Christian Wesemann, Massimo Nutini, Stefano Pieralli, Erik Licht, Marc Metzger, Frederik Wenz, Rolf Mülhaupt, Benedikt C. Spies
Abstract: A polyolefin with certified biocompatibility according to USP class VI was used by our group as feedstock for filament-based 3D printing to meet the highest medical standards in order to print personal protective equipment for our university hospital during the ongoing pandemic. Besides the chemical resistance and durability, as well as the ability to withstand steam sterilization, this polypropylene (PP) copolymer is characterized by its high purity, as achieved by highly efficient and selective catalytic polymerization. As the PP copolymer is suited to be printed with all common printers in fused filament fabrication (FFF), it offers an eco-friendly cost–benefit ratio, even for large-scale production. In addition, a digital workflow was established focusing on common desktop FFF printers in the medical sector. It comprises the simulation-based optimization of personalized print objects, considering the inherent material properties such as warping tendency, through to validation of the process chain by 3D scanning, sterilization, and biocompatibility analysis of the printed part. This combination of digital data processing and 3D printing with a sustainable and medically certified material showed great promise in establishing decentralized additive manufacturing in everyday hospital life to meet peaks in demand, supply bottlenecks, and enhanced personalized patient treatment.
| Medienart: |
E-Book |
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| Erscheinungsjahr: |
2020 2021 |
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| Erschienen: |
Basel: MDPI AG ; 2020 Freiburg: Albert-Ludwigs-Universität Freiburg ; 2021 |
| Enthalten in: |
Molecules - 25, 24 (2020), 5929 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
Burkhardt, Felix [VerfasserIn] |
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| Links: |
nbn-resolving.de [kostenfrei] |
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| Umfang: |
1 Online-Ressource (12 Seiten) ; Diagramme |
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| doi: |
10.3390/molecules25245929 |
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| Weitere IDs: |
urn:nbn:de:bsz:25-freidok-1749311 FRUB-opus-174931 |
| funding: |
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| Förderinstitution / Projekttitel: |
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175593730X |
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| 245 | 1 | 0 | |a Pandemic-driven development of a medical-grade, economic and decentralized applicable polyolefin filament for additive fused filament fabrication |c Felix Burkhardt, Carl G. Schirmeister, Christian Wesemann, Massimo Nutini, Stefano Pieralli, Erik Licht, Marc Metzger, Frederik Wenz, Rolf Mülhaupt, Benedikt C. Spies |
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| 520 | |a Abstract: A polyolefin with certified biocompatibility according to USP class VI was used by our group as feedstock for filament-based 3D printing to meet the highest medical standards in order to print personal protective equipment for our university hospital during the ongoing pandemic. Besides the chemical resistance and durability, as well as the ability to withstand steam sterilization, this polypropylene (PP) copolymer is characterized by its high purity, as achieved by highly efficient and selective catalytic polymerization. As the PP copolymer is suited to be printed with all common printers in fused filament fabrication (FFF), it offers an eco-friendly cost–benefit ratio, even for large-scale production. In addition, a digital workflow was established focusing on common desktop FFF printers in the medical sector. It comprises the simulation-based optimization of personalized print objects, considering the inherent material properties such as warping tendency, through to validation of the process chain by 3D scanning, sterilization, and biocompatibility analysis of the printed part. This combination of digital data processing and 3D printing with a sustainable and medically certified material showed great promise in establishing decentralized additive manufacturing in everyday hospital life to meet peaks in demand, supply bottlenecks, and enhanced personalized patient treatment | ||
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