Preparation and Characterization of Flame-Retarded Poly(butylene terephthalate)/Poly(ethylene terephthalate) Blends: Effect of Content and Type of Flame Retardant
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Synthesis of TAD
2.3. Preparation of Flame-Retardant PBT/PET Blend
2.4. Characterization
3. Results and Discussion
3.1. Flame-Retardant Performance
3.2. Cone Calorimeter Test
3.3. Thermal Stability
3.4. Morphology
3.5. Flame-Retardant Mechanism
3.6. Mechanical Properties
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Samples | Resin Matrix | TAD (wt%) | EG (wt%) | TAD/EG | LOI | UL-94 |
---|---|---|---|---|---|---|
TAD0 | 100 | 0 | 0 | / | 22.0 | NR |
TAD4 | 96 | 4 | 0 | / | 25.2 | NR |
TAD8 | 92 | 8 | 0 | / | 26.9 | V-2 |
TAD12 | 88 | 12 | 0 | / | 28.4 | V-1 |
TAD16 | 84 | 16 | 0 | / | 28.1 | V-1 |
TAD6EG6 | 88 | 6 | 6 | 1/1 | 29.2 | V-0 |
EG12 | 88 | 0 | 12 | / | 25.8 | NR |
Sample | PHRR (kW/m2) | Mean-EHC (MJ/kg) | THR (MJ/m2) | Mean-CO2Y(kg/kg) | TSR (m2/m2) |
---|---|---|---|---|---|
TAD0 | 1087.7 | 17.1 | 92.0 | 1.48 | 1530.9 |
TAD4 | 885.1 | 8.6 | 94.2 | 0.91 | 1853.5 |
TAD8 | 777.9 | 8.9 | 91.0 | 0.92 | 1944.3 |
TAD12 | 616.7 | 10.4 | 84.3 | 0.99 | 2105.0 |
TAD16 | 486.7 | 10.6 | 72.1 | 1.05 | 2236.5 |
TAD6EG6 | 390.4 | 7.8 | 84.7 | 0.67 | 2622.9 |
EG12 | 435.2 | 10.2 | 78.3 | 0.83 | 2412.5 |
Sample | T5% (°C) | Char Residue (%) |
---|---|---|
TAD0 | 390 | 7.8 |
TAD12 | 389 | 9.3 |
TAD16 | 391 | 13.9 |
TAD6EG6 | 390 | 16.9 |
EG12 | 390 | 14.4 |
TAD | 218 | 7.2 |
EG | 211 | 60.2 |
Sample | C (%) | N (%) | O (%) | P (%) |
---|---|---|---|---|
TAD12 | 81.2 | 1.9 | 14.9 | 2.1 |
TAD6EG6 | 90.5 | 0.8 | 7.2 | 1.5 |
Samples | Notched Impact Strength (kJ/m2) | Bending Modulus (MPa) | Bending Strength (MPa) | Tensile Strength (MPa) |
---|---|---|---|---|
TAD0 | 53.1± 4.7 | 1454 ± 12 | 47.5 ± 1.8 | 36.4 ± 0.5 |
TAD4 | 33.4 ± 2.4 | 1530 ± 25 | 50.6 ± 1.2 | 37.9 ± 0.6 |
TAD12 | 18.5 ± 1.6 | 1376 ± 16 | 44.0 ± 1.4 | 33.5 ± 1.6 |
TAD6EG6 | 15.1 ± 3.5 | 1312 ± 19 | 39.9 ± 1.7 | 30.7 ± 2.5 |
EG12 | 11.6 ± 4.9 | 1220 ± 36 | 36.7 ± 2.2 | 28.2 ± 2.9 |
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Zhang, W.; Zheng, C.; Zhang, Y.; Guo, W. Preparation and Characterization of Flame-Retarded Poly(butylene terephthalate)/Poly(ethylene terephthalate) Blends: Effect of Content and Type of Flame Retardant. Polymers 2019, 11, 1784. https://doi.org/10.3390/polym11111784
Zhang W, Zheng C, Zhang Y, Guo W. Preparation and Characterization of Flame-Retarded Poly(butylene terephthalate)/Poly(ethylene terephthalate) Blends: Effect of Content and Type of Flame Retardant. Polymers. 2019; 11(11):1784. https://doi.org/10.3390/polym11111784
Chicago/Turabian StyleZhang, Weizhou, Cheng Zheng, Yuhui Zhang, and Weihong Guo. 2019. "Preparation and Characterization of Flame-Retarded Poly(butylene terephthalate)/Poly(ethylene terephthalate) Blends: Effect of Content and Type of Flame Retardant" Polymers 11, no. 11: 1784. https://doi.org/10.3390/polym11111784