Research on SR/Frit Composites: A Novel Low-Temperature Ceramifiable Expandable Flame-Retardant Material
Abstract
:1. Introduction
2. Experiments
2.1. Experimental Raw Materials
2.2. Experimental Instruments and Apparatus
2.3. Performance Tests
3. Results and Discussion
3.1. LOI and UL-94 Tests of the SR/Frit Composites
3.2. Thermogravimetric Analysis of SR/Frits Composites
3.3. Influence of Low-Melting-Point Frit Content on the Macroscopic Morphology of Ablation Residues
3.4. Influence of Low-Melting-Point Frit Content on the Microscopic Volume of Ablation Residues
3.5. Influence of Low-Melting-Point Frit Content on the Compressive Strength of Ablation Residues
3.6. Influence of Low-Melting-Point Frit Content on the Microscopic Morphology of Ablation Residues
3.7. Mechanical Performance Tests of SR/Frit Composites
3.8. Expansion and Ceramization Mechanism of SR/Frit Composites
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Samples | SR | AHP | Mica | CaCO3 | SiO2 | Frits |
---|---|---|---|---|---|---|
SR | 100 | 10 | 5 | 10 | 20 | 0 |
SR/10Frits | 100 | 10 | 5 | 10 | 20 | 10 |
SR/20Frits | 100 | 10 | 5 | 10 | 20 | 20 |
SR/30Frits | 100 | 10 | 5 | 10 | 20 | 30 |
SR/40Frits | 100 | 10 | 5 | 10 | 20 | 40 |
Instrument/Apparatus | Model/Specification | Manufacturer |
---|---|---|
Vertical Burning Tester | JF-3 | Nanjing Jiangning Analytical Instrument Co., Ltd., Nanjing, China |
Oxygen Index Tester | JF-3 | Nanjing Jiangning Analytical Instrument Co., Ltd., Nanjing, China |
Universal Electronic Tensile Machine | WDW-50E | Jinan Shijin Group Company Ltd., Jinan, China |
Thermal Gravimetric Analyzer | TAQ-500 | Shimadzu, Kyoto, Japan |
Scanning Electron Microscope | HITACHI-S4800 | Hitachi, Tokyo, Japan |
Shore Hardness Tester | Shore A | Shanghai Luchuan Measuring Tools Co., Ltd., Shanghai, China |
Samples | LOI | UL-94 | ||
---|---|---|---|---|
T1 | T2 | |||
SR | 30.9 ± 0.2 | - | - | None |
SR/10Frits | 31.7 ± 0.1 | 0 | 6 ± 1 | None |
SR/20Frits | 32.0 ± 0.3 | 0 | 0 | None |
SR/30Frits | 32.3 ± 0.2 | 0 | 0 | None |
SR/40Frits | 32.4 ± 0.1 | 0 | 0 | None |
Samples | Tensile Strength (MPa) | Elongation at Break (%) | Hardness |
---|---|---|---|
SR | 4.7 ± 0.5 | 302 ± 30 | 68 ± 1 |
SR/10Frits | 3.9 ± 0.4 | 257 ± 25 | 70 ± 2 |
SR/20Frits | 3.6 ± 0.3 | 235 ± 25 | 72 ± 1 |
SR/30Frits | 2.9 ± 0.3 | 218 ± 20 | 74 ± 1 |
SR/40Frits | 2.6 ± 0.3 | 176 ± 20 | 75 ± 2 |
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Zhu, H.; Li, J. Research on SR/Frit Composites: A Novel Low-Temperature Ceramifiable Expandable Flame-Retardant Material. Materials 2022, 15, 2961. https://doi.org/10.3390/ma15092961
Zhu H, Li J. Research on SR/Frit Composites: A Novel Low-Temperature Ceramifiable Expandable Flame-Retardant Material. Materials. 2022; 15(9):2961. https://doi.org/10.3390/ma15092961
Chicago/Turabian StyleZhu, Hongwei, and Jianhua Li. 2022. "Research on SR/Frit Composites: A Novel Low-Temperature Ceramifiable Expandable Flame-Retardant Material" Materials 15, no. 9: 2961. https://doi.org/10.3390/ma15092961