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Preparation and characterization of triglycine-containing 3D-printed PBAT/PLA specimens
Duale, Khadar Grundmann, Alexander Kaysser, Simon T. Detjen, Sönke Chaber, Paweł Włodarczyk, Jakub Janeczek, Henryk Musioł, Marta Kowalczuk, Marek
Duale, Khadar
Grundmann, Alexander
Kaysser, Simon T.
Detjen, Sönke
Chaber, Paweł
Włodarczyk, Jakub
Janeczek, Henryk
Musioł, Marta
Kowalczuk, Marek
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2025-05-26
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Abstract
This study explores a novel additive─0.2 wt % monodisperzed H-Gly-Gly-Gly-OH (triglycine)─to poly(1,4-butylene adipate-co-1,4-butylene terephthalate)/polylactide (PBAT/PLA) blend. The triglycine-containing PBAT/PLA was extruded into uniform filaments with a diameter of 1.74 ± 0.02 mm by using a single-screw extruder, which was subsequently employed to fabricate specimens via material extrusion (MEX) technology at nozzle temperatures (T) of 155 and 190 °C. In the present study, the fabrication of triglycine-containing specimens was investigated with a focus on elucidating their thermal behavior and mechanical properties. The influence of print temperature on these properties was also evaluated to establish correlations between processing conditions and material performance. Results indicated that all specimens could be printed smoothly at 155 and 190 °C, regardless of triglycine presence. The addition of triglycine did not significantly affect the melting temperature of the specimens, but it did reduce the difference in glass transition temperature between PLA and PBAT. SEM analysis did not display any significant differences between the specimens across all nozzle temperatures. Specimens without triglycine displayed consistent mechanical properties across temperatures, achieving a high tensile modulus (E) of 261.5 MPa for specimens printed at T = 190 °C. Conversely, triglycine-containing specimens printed at the same temperature exhibited a significantly lower tensile modulus (E = 159.5 MPa). However, the triglycine inclusion enhanced the ultimate tensile strength at lower print temperatures, with values of 15.03 ± 0.11 MPa for specimens printed at T = 155 °C compared to 10.16 ± 1.65 MPa for specimens printed at T = 190 °C.
Citation
Duale, K., Grundmann, A., Kaysser, S.T., Detjen, S., Chaber, P., Włodarczyk, J., Janeczek, H., Musioł, M., Radecka, I., Kowalczuk, M., Hercog, A., Ranote, S. and Rydz, J. (2025) Preparation and characterization of triglycine-containing 3D-printed PBAT/PLA specimens. ACS Omega, 10 (22), pp. 23817–23826 DOI: 10.1021/acsomega.5c03205
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Journal article
Language
en
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© 2025 The Authors. Published by ACS. This is an open access article available under a Creative Commons licence. The published version can be accessed at the following link on the publisher’s website: https://doi.org/10.1021/acsomega.5c03205
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2470-1343
EISSN
2470-1343
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The authors acknowledge support for this work by the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie grant agreement no. 872152, project GREEN-MAP, an international project cofinanced by the program of the Minister of Science and Higher Education entitled “PMW” in the years 2020–2024, contract no. 5092/H2020/2020/2.