Synthesis of a Novel Linear α, ω-Di (Chloro Phosphoramide) Polydimethylsiloxane and Its Applications in Improving Flame-Retardant and Water-Repellent Properties of Cotton Fabrics
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Preparation of Ethyldichlorophosphate
2.3. Preparation of PDMS-2NH2
2.4. Preparation of CPN-PDMS
2.5. Preparation of Treated Cotton Fabrics
2.6. Measurements and Characterizations
3. Results and Discussion
3.1. Characterization of CPN-PDMS
3.2. Flame Retardant and Mechanical Properties
3.3. Thermal Degradation Stability
3.4. Combustion Behaviors
3.5. Water Repellency
3.6. Surface morphology
3.7. Elemental Analysis
3.8. FTIR Analysis of Char Layers After Combustion
3.9. Washing Durability
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Conflicts of Interest
References
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CPN-PDMS (g/L) | WG (%) | LOI (%) | Vertical Burning Test | Whiteness (%) | Tensile Strength | |||
---|---|---|---|---|---|---|---|---|
After-Flame Time (s) | After-Glow Time (s) | Char Length (cm) | Warp (N) | Weft (N) | ||||
0 | 18.0 | - | - | 30 | 83.79 | 647 | 319 | |
200 | 10.5 | 27.5 | 0 | 4.6 | 18.6 | 83.10 | 614 | 303 |
250 | 15.3 | 28.1 | 0 | 2.2 | 12.9 | 82.62 | 606 | 298 |
300 | 22.8 | 29.5 | 0 | 1.3 | 8.2 | 81.39 | 593 | 292 |
350 | 27.1 | 30.6 | 0 | 0 | 4.3 | 81.17 | 585 | 287 |
400 | 31.0 | 31.1 | 0 | 0 | 3.9 | 78.45 | 562 | 273 |
Finishing Agent Dosage (g/L) | Tonest (°C) | Tmax1 (°C) | Tmax2 (°C) | Residue (%) | |
---|---|---|---|---|---|
Tmax1 (°C) | 700 °C | ||||
0 | 282.4 | 347.1 | 473.4 | 61.56 | 1.46 |
350 | 171.2 | 256.3 | - | 58.42 | 29.13 |
Samples | TTI (s) | PHRR (kW/m2) | PEHC (MJ/kg) | Average EHC (MJ/kg) | CO (kg/kg) | CO2 (kg/kg) | CO2/CO |
---|---|---|---|---|---|---|---|
Pure cotton fabrics | 2 | 118.9 | 33.56 | 8.69 | 0.08 | 1.82 | 22.75 |
Treated cotton fabrics | 32 | 66.1 | 10.93 | 2.08 | 0.15 | 1.17 | 7.8 |
Laundering Cycles | Water Repellency Grade | CA (°) | LOI (%) |
---|---|---|---|
0 | 90 | 148.2 | 30.6 |
5 | 90 | 139.1 | 29.9 |
10 | 90 | 133.4 | 29.6 |
15 | 80 | 128.2 | 29.4 |
20 | 80 | 124.9 | 29.0 |
25 | 80 | 121.3 | 28.8 |
30 | 80 | 118.6 | 28.5 |
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Dong, C.; Sun, L.; Ma, X.; Lu, Z.; He, P.; Zhu, P. Synthesis of a Novel Linear α, ω-Di (Chloro Phosphoramide) Polydimethylsiloxane and Its Applications in Improving Flame-Retardant and Water-Repellent Properties of Cotton Fabrics. Polymers 2019, 11, 1829. https://doi.org/10.3390/polym11111829
Dong C, Sun L, Ma X, Lu Z, He P, Zhu P. Synthesis of a Novel Linear α, ω-Di (Chloro Phosphoramide) Polydimethylsiloxane and Its Applications in Improving Flame-Retardant and Water-Repellent Properties of Cotton Fabrics. Polymers. 2019; 11(11):1829. https://doi.org/10.3390/polym11111829
Chicago/Turabian StyleDong, Chaohong, Ling Sun, Xingbo Ma, Zhou Lu, Pengshuang He, and Ping Zhu. 2019. "Synthesis of a Novel Linear α, ω-Di (Chloro Phosphoramide) Polydimethylsiloxane and Its Applications in Improving Flame-Retardant and Water-Repellent Properties of Cotton Fabrics" Polymers 11, no. 11: 1829. https://doi.org/10.3390/polym11111829