Research Article
Synergistic Flame Retardant Effects of Expandable Graphite and Ammonium Polyphosphate in Water-Blow Polyurethane Foam
Table 3
Thermal properties of flame retardants and SPUF composites.
| samples | Td (°C) | Tmax (°C), Vmax (%/°C) | T1stage (°C) | T2stage (°C) | T3stage (°C) | T4stage (°C) | Char residue (%) |
| SPUF | 215 | 388, 1.16 | 280∼450 | 450∼600 | — | — | 13.1 | EG | 200 | — | 200∼380 | — | — | — | 78.7 | APP | 110 | — | 110∼215 | 220∼280 | 280∼358 | 360∼437 | 27.8 | EG/SPUF | 280 | 392, 0.81 | 215∼450 | 450∼600 | — | — | 27.9 | APP/SPUF | 110 | 358, 1.05 | 110∼230 | 260∼400 | 400∼488 | — | 19.2 | EG/APP/SPUF-8 | 120 | 385, 0.79 | 120∼215 | 270∼450 | — | — | 27.7 |
|
|