Thermal Analysis of 1,6-Hexanediol Diacrylate-Based Green Bodies Containing GYAGG:Ce Fabricated by DLP 3D Printing
- 1National Research Center “Kurchatov Institute”, 1 Akademika Kurchatova Square, 123098 Moscow, Russia
- 2Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 31-4, Leninsky Prospect, 119071 Moscow, Russia
Abstract
The thermal decomposition of DLP-printed green bodies containing a cross-linked 1,6-hexanediol diacrylate matrix filled with complex oxide powder of a cerium-activated garnet structure (GYAGG:Ce) was investigated. Non-isothermal thermogravimetric measurements were performed under an argon atmosphere at heating rates of 2, 4, 8 and 20 °C/min (four independent measurements for each heating rate). The main mass-loss stage occurs at approximately 350–470 °C. With the increase in the heating rate, the mean DTG peaks shift to a higher temperature: from 387.1 ± 10.3 °C at 2 °C/min to 427.9 ± 15.2 °C at 20 °C/min. The kinetics of thermal decomposition were investigated using isoconversional analysis methods. The apparent activation energy of the main mass-loss peak calculated by the Kissinger method was 200.85 kJ/mol (R2 = 0.99). Gas-phase mass-spectrometric analysis tentatively assigned signals to water, CO, CO2, and acrylate-derived fragments of organic chains. A thermal analysis-guided debinding schedule was developed and experimentally demonstrated, resulting in the production of bulk ceramics with measurable optical translucence (the full transmittance and in-line transmittance were 54.5% and 12%, respectively, for a sample 1.2 mm thick). The absence of large cracks and delamination was observed in both green and brown bodies by scanning electron microscopy.
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BibTeX
@article{ermakova2026thermal,
title = {{Thermal Analysis of 1,6-Hexanediol Diacrylate-Based Green Bodies Containing GYAGG:Ce Fabricated by DLP 3D Printing}},
author = {Lydia V. Ermakova and Ramil R. Khasbiullin and Rasim R. Saifutyarov and Elizaveta V. Ermakova and Petr S. Sokolov},
journal = {Polymers},
year = {2026},
month = oct,
doi = {10.3390/polym18202554},
url = {https://www.mdpi.com/2073-4360/18/20/2554},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Thermal Analysis of 1,6-Hexanediol Diacrylate-Based Green Bodies Containing GYAGG:Ce Fabricated by DLP 3D Printing
AU - Lydia V. Ermakova
AU - Ramil R. Khasbiullin
AU - Rasim R. Saifutyarov
AU - Elizaveta V. Ermakova
AU - Petr S. Sokolov
PY - 2026
DA - 2026/10/01
JO - Polymers
DO - 10.3390/polym18202554
UR - https://www.mdpi.com/2073-4360/18/20/2554
AB - The thermal decomposition of DLP-printed green bodies containing a cross-linked 1,6-hexanediol diacrylate matrix filled with complex oxide powder of a cerium-activated garnet structure (GYAGG:Ce) was investigated. Non-isothermal thermogravimetric measurements were performed under an argon atmosphere at heating rates of 2, 4, 8 and 20 °C/min (four independent measurements for each heating rate). The main mass-loss stage occurs at approximately 350–470 °C. With the increase in the heating rate, the mean DTG peaks shift to a higher temperature: from 387.1 ± 10.3 °C at 2 °C/min to 427.9 ± 15.2 °C at 20 °C/min. The kinetics of thermal decomposition were investigated using isoconversional analysis methods. The apparent activation energy of the main mass-loss peak calculated by the Kissinger method was 200.85 kJ/mol (R2 = 0.99). Gas-phase mass-spectrometric analysis tentatively assigned signals to water, CO, CO2, and acrylate-derived fragments of organic chains. A thermal analysis-guided debinding schedule was developed and experimentally demonstrated, resulting in the production of bulk ceramics with measurable optical translucence (the full transmittance and in-line transmittance were 54.5% and 12%, respectively, for a sample 1.2 mm thick). The absence of large cracks and delamination was observed in both green and brown bodies by scanning electron microscopy.
SN - 2073-4360
ER -