Research Article
The Effect of Soluble Ammonium Polyphosphate on the Properties of Water Blown Semirigid Polyurethane Foams
Table 2
Details of TG and DTG curves.
| Samples | Initial decomposition temperature (°C) | Temperature of stages (°C) | (°C) | Residual char (%) |
| SPUF/APP19 | 170 | (1) 100~225 | (1) 190 | 20 | (2) 225~390 | (2) 355 | (3) 390~500 | (3) 410 | SPUF | 300 | (1) 200~450 | (1) 390 | 15 | (2) 450~600 | (2) 490 | APP | 180 | (1) 100~225 | (1) 180 | 25 | (2) 225~275 | (2) 250 | (3) 275~360 | (3) 325 | (4) 360~440 | (4) 390 |
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