Preliminary Study on the Simulation of a Radiation Damage Analysis of Biodegradable Polymers
Abstract
:1. Introduction
2. Materials and Methods
2.1. Modeling and Simulation
2.1.1. Geant4 Simulation for Gamma Ray Fluence Calculation
2.1.2. Geant4 Simulation for Absorbed Dose Calculation
2.1.3. Prediction of Damage to Polymer Materials Using a Radiation Damage Model
2.2. Film Preparation and Radiation Measurement for Simulation Verification
2.2.1. Materials
2.2.2. Sample Irradiation
2.2.3. Attenuated Total Reflection Fourier Transform Infrared Spectroscopy (ATR-FTIR)
2.2.4. Thermal Analysis
2.2.5. Average Molecular Weight
3. Results and Discussion
3.1. Modeling and Simulation
3.2. Radiation Assessment for Simulation Verification
3.2.1. ATR-FTIR Spectroscopy
3.2.2. Thermal Analysis
3.2.3. Average Molecular Weight
3.2.4. Modeling and Simulation Verification
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Dose (kGy) | PLCL | PLDLA |
---|---|---|
Absorbed Dose per Unit Mass (eV/g) | ||
25 | 1.47 × 1021 | 2.73 × 1020 |
50 | 2.95 × 1021 | 5.47 × 1020 |
100 | 5.90 × 1021 | 1.09 × 1021 |
200 | 1.18 × 1022 | 2.19 × 1021 |
500 | 2.95 × 1022 | 5.47 × 1021 |
Polymer (dose) | Gs | Gx | Gs/Gx |
---|---|---|---|
PLCL (200) | 0.158 | 0.018 | 8.7 |
PLDLA (100) | 1.394 | 0.026 | 52.7 |
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Shim, H.-E.; Yeon, Y.-H.; Lim, D.-H.; Nam, Y.-R.; Park, J.-H.; Lee, N.-H.; Gwon, H.-J. Preliminary Study on the Simulation of a Radiation Damage Analysis of Biodegradable Polymers. Materials 2021, 14, 6777. https://doi.org/10.3390/ma14226777
Shim H-E, Yeon Y-H, Lim D-H, Nam Y-R, Park J-H, Lee N-H, Gwon H-J. Preliminary Study on the Simulation of a Radiation Damage Analysis of Biodegradable Polymers. Materials. 2021; 14(22):6777. https://doi.org/10.3390/ma14226777
Chicago/Turabian StyleShim, Ha-Eun, Yeong-Heum Yeon, Dae-Hee Lim, You-Ree Nam, Jin-Hyung Park, Nam-Ho Lee, and Hui-Jeong Gwon. 2021. "Preliminary Study on the Simulation of a Radiation Damage Analysis of Biodegradable Polymers" Materials 14, no. 22: 6777. https://doi.org/10.3390/ma14226777