Enhancing Flame Retardancy and Smoke Suppression in EPDM Rubber Using Sepiolite-Based Systems
Abstract
:1. Introduction
2. Experimental
2.1. Materials
2.2. Modification of Sepiolite
2.3. Preparation of AEGS and PEGS Composites
2.4. Measurements and Characterization
3. Results and Discussion
3.1. Characterization of SEP and K-SEP
3.2. Flammability (UL-94 and LOI)
3.3. Cone Calorimetry Test
3.4. Thermal Stability
3.5. Microstructure Analysis
3.6. Raman Spectroscopic Analysis
3.7. Mechanical Properties
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Conflicts of Interest
References
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Sample | LOI ± 0.3 (%) | UL-94 | Drip |
---|---|---|---|
AEGS0 | 31.2 | V-0 | NO |
AEGS1-M | 31.1 | V-0 | NO |
AEGS1 | 31.5 | V-0 | NO |
AEGS2 | 32.1 | V-0 | NO |
AEGS3 | 33.7 | V-0 | NO |
PEGS0 | 30.3 | V-1 | NO |
PEGS1-M | 30.3 | V-1 | NO |
PEGS1 | 30.8 | V-1 | NO |
PEGS2 | 31.2 | V-0 | NO |
PEGS3 | 32.0 | V-0 | NO |
Sample | TTI | PHRR | THR | TSP | MASS | FPI | FIGRA | EHC |
---|---|---|---|---|---|---|---|---|
s | kW/m2 | MJ/m2 | m2 | g | 10−2m2s/kW | kW/(m2/s) | MJ/kg | |
PEGS0 | 50 | 460.0 | 153.6 | 18.4 | 15.7 | 10.9 | 3.01 | 39.86 |
PEGS1 | 55 | 431.5 | 156.6 | 14.4 | 17.1 | 12.7 | 2.97 | 34.64 |
PEGS2 | 58 | 378.1 | 161.1 | 12.8 | 21.7 | 15.3 | 2.60 | 32.58 |
PEGS3 | 58 | 410.8 | 130.3 | 10.6 | 22.9 | 14.1 | 2.83 | 32.23 |
AEGS0 | 65 | 452.2 | 176.6 | 12.8 | 18.4 | 14 | 2.63 | 38.84 |
AEGS1 | 74 | 417.2 | 141.8 | 11.9 | 18.8 | 17.7 | 2.45 | 28.32 |
AEGS2 | 65 | 331.5 | 117.6 | 10.8 | 20.7 | 19.6 | 1.95 | 23.43 |
AEGS3 | 78 | 284.4 | 122.3 | 10.2 | 22.8 | 27.4 | 1.67 | 21.56 |
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Zheng, J.; Zhang, X.; Liu, D.; Zhang, L.; Guo, Y.; Liu, W.; Zhao, S.; Li, L. Enhancing Flame Retardancy and Smoke Suppression in EPDM Rubber Using Sepiolite-Based Systems. Polymers 2024, 16, 2281. https://doi.org/10.3390/polym16162281
Zheng J, Zhang X, Liu D, Zhang L, Guo Y, Liu W, Zhao S, Li L. Enhancing Flame Retardancy and Smoke Suppression in EPDM Rubber Using Sepiolite-Based Systems. Polymers. 2024; 16(16):2281. https://doi.org/10.3390/polym16162281
Chicago/Turabian StyleZheng, Jiawang, Xu Zhang, Dawei Liu, Liwei Zhang, Yuxia Guo, Wei Liu, Shuai Zhao, and Lin Li. 2024. "Enhancing Flame Retardancy and Smoke Suppression in EPDM Rubber Using Sepiolite-Based Systems" Polymers 16, no. 16: 2281. https://doi.org/10.3390/polym16162281