Table 1.
Combustion data of untreated and nanoparticle (NP)-treated polyethylene terephthalate (PET) by cone calorimetry (35 kW/m2) [22,32,33].
| Sample | TTI ± σ [s] | THR ± σ [MJ/m2] | EHC ± σ [MJ/kg] | PHRR ± σ [kW/m2] | FPI * ± σ [s·m2/kW] | [CO] yield ± σ [Kg/Kg] | [CO2] yield ± σ [Kg/Kg] |
|---|---|---|---|---|---|---|---|
| PET (171 g/m2) | 160 ± 4 | 2.5 ± 0.6 | 21.8 ± 7.8 | 90 ± 9 | 1.89 ± 0.05 | 0.0486 ± 0.0228 | 3.85 ± 1.68 |
| PET_CNa | 192 ± 7 | 2.8 ± 0.4 | 17.5 ± 2.5 | 80 ± 2 | 2.35 ± 0.04 | 0.0409 ± 0.0008 | 3.22 ± 0.14 |
| PET_HT | 226 ± 4 | 2.5 ± 0.9 | 16.4 ± 1.5 | 76 ± 7 | 2.97 ± 0.05 | 0.0261 ± 0.0011 | 2.43 ± 0.07 |
| PET_OS1 | 120 ± 6 | 2.4 ± 0.2 | 15.0 ± 0.9 | 70 ± 6 | 1.50 ± 0.06 | 0.0301 ± 0.0014 | 2.73 ± 0.06 |
| PET_TiO2 | 152 ± 6 | 2.3 ± 0.5 | 19.4 ± 5.0 | 70 ± 1 | 2.17 ± 0.33 | 0.0421 ± 0.0170 | 3.58 ± 1.19 |
| PET_SiO2 | 105 ± 9 | 2.7 ± 0.1 | 16.0 ± 0.2 | 81 ± 11 | 1.30 ± 0.11 | 0.0302 ± 0.0006 | 2.71 ± 0.12 |
| PET_POSS | 130 ± 9 | 2.4 ± 0 | 20.0 ± 6.3 | 66 ± 3 | 1.97 ± 0.06 | 0.0415 ± 0.0158 | 3.04 ± 0.93 |
| PET_HTSiO2 | 240 ± 8 | 3.1 ± 0.9 | 17.0 ± 2.0 | 85 ± 8 | 2.82 ± 0.06 | 0.0123 ± 0.0006 | 2.81 ± 0.14 |
* Calculated as TTI/PHRR ratio, as reported in ref. [34].