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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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Dörsam, Edgar
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Publications (4/4 displayed)
- 2022Use of Bacillus subtilis spores in printing and additive manufacturing as a robust, DNA‑based anti‑counterfeiting and identification feature: stresses, processing and evaluation
- 2022Printing methods used in the label and package printing industry for the production of metallic embellishments with a focus on metal effect pigments
- 2022In vitro Evaluation of a 20% Bioglass-Containing 3D printable PLA Composite for Bone Tissue Engineeringcitations
- 2017Effects of argon low temperature plasma on PLA film surface and agingbehaviorscitations
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article
Effects of argon low temperature plasma on PLA film surface and agingbehaviors
Abstract
The main objective of the study is to investigate the effects of argon low temperature plasma on PLA film properties and determine the effect of storage time on the value of surface free energy and its polar and dispersive components. The effects of the different treatment time on PLA film are analyzed. The contact angle measurements and subsequent SFE calculation have been done immediately after the treatment as well as after 1, 7, 14, 30, and 60 days. Furthermore, the chemical changes have been studied using XPS and surface topography has been analyzed with confocal microscopy. The results show a significant improvement in the film wettability. This improved wettability is manifested by a 40% reduction in the contact angle of the water and a 43% increase in SFE values. Moreover, the highest values of surface free energy are noted after 6 minutes plasma treatment, but results for shorter treatment time such as 2-4 minutes are more stable over time. The SFE increases from 40.1 mJ/m2 to 57.4 mJ/m2 after 6 minutes activation, however after 60 days storage SFE value decreases to 44.8 mJ/m2, compared to decrease from 56.7 mJ/m2 to 50.1 mJ/m2 for 2 minutes activation.