Preparation and Flame Retardance of Polyurethane Composites Containing Microencapsulated Melamine Polyphosphate
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Preparation of Si-PU
2.3. Preparation of OFMPP
2.4. Preparation of Si-PU/OFMPP Composites
2.5. Measurements
3. Results and Discussion
3.1. 29Si-NMR of Si-PU
3.2. XPS of OFMPP
3.3. Water Solubility of OFMPP
3.4. TGA of OFMPP
3.5. LOI and UL-94 of Si-PU/OFMPP Composites
3.6. SEM of Si-PU/OFMPP Composites after Burning
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Sample No. | Area (%) | Degree of condensation (%) | ||
---|---|---|---|---|
T1 | T2 | T3 | ||
Si-PU composites | 8 | 55 | 37 | 76.33 |
Sample code | 25 °C (g/100 mL H2O) | 50 °C (g/100 mL H2O) | 75 °C (g/100 mL H2O) | 100 °C (g/100 mL H2O) |
---|---|---|---|---|
MPP | 0.25 | 0.33 | 0.42 | 0.65 |
OFMPP | 0.07 | 0.11 | 0.15 | 0.18 |
Sample No. | LOI (%) | UL-94 | ||||
---|---|---|---|---|---|---|
Before soakage | After soakage | Before soakage | After soakage | |||
Ranking | Dripping | Ranking | Dripping | |||
Pristine PU | 17 | 17 | Fail | YES | Fail | YES |
Si-PU | 18 | 18 | Fail | NO | Fail | NO |
Si-PU/OFMPP 10% | 19 | 19 | Fail | NO | Fail | NO |
Si-PU/OFMPP 20% | 25 | 24 | Fail | NO | Fail | NO |
Si-PU/OFMPP 30% | 32 | 30 | V-0 | NO | V-1 | NO |
Si-PU/OFMPP 40% | 38 | 36 | V-0 | NO | V-0 | NO |
Si-PU/MPP 30% | 27 | 24 | Fail | NO | Fail | NO |
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Liu, S.-H.; Kuan, C.-F.; Kuan, H.-C.; Shen, M.-Y.; Yang, J.-M.; Chiang, C.-L. Preparation and Flame Retardance of Polyurethane Composites Containing Microencapsulated Melamine Polyphosphate. Polymers 2017, 9, 407. https://doi.org/10.3390/polym9090407
Liu S-H, Kuan C-F, Kuan H-C, Shen M-Y, Yang J-M, Chiang C-L. Preparation and Flame Retardance of Polyurethane Composites Containing Microencapsulated Melamine Polyphosphate. Polymers. 2017; 9(9):407. https://doi.org/10.3390/polym9090407
Chicago/Turabian StyleLiu, Shang-Hao, Chen-Feng Kuan, Hsu-Chiang Kuan, Ming-Yuan Shen, Jia-Ming Yang, and Chin-Lung Chiang. 2017. "Preparation and Flame Retardance of Polyurethane Composites Containing Microencapsulated Melamine Polyphosphate" Polymers 9, no. 9: 407. https://doi.org/10.3390/polym9090407