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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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Izdebska-Podsiadły, Joanna
Warsaw University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2023Study of Argon and Oxygen Mixtures in Low Temperature Plasma for Improving PLA Film Wettabilitycitations
- 2023Aging of Polylactide Films Exposed to Plasma—Hydrophobic Recovery and Selected Application Propertiescitations
- 2021Effect of Plasma Surface Modification on Print Quality of Biodegradable PLA Filmscitations
- 2017Wettability and surface free energy of NIPU coatings based on bis(2,3-dihydroxypropyl)ether dicarbonatecitations
- 2017Effects of argon low temperature plasma on PLA film surface and agingbehaviorscitations
- 2016Printing on Polymers: Fundamentals and Applications
- 2013Flexographic printing ink modified with hyperbranched polymers: Boltorn P500 and Boltorn P1000citations
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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.