Thermal parameters of the obtained phosphorylated cellulosic fibers from TGA analysis in N2 atmosphere.
| Samples | First stage | Second stage | Third stage | Fourth stage | Residue at 600 °C (%) | ||||
|---|---|---|---|---|---|---|---|---|---|
| T max (°C) | Δm (%) | T max (°C) | Δm (%) | T max (°C) | Δm (%) | T max (°C) | Δm (%) | ||
| PK | 54 | 1.87 | 357 | 84.66 | — | — | — | — | 13.46 |
| PKP1 | 60 | 2.86 | 189 | 7.11 | 221 | 31.36 | — | 10.30 | 48.37 |
| PKP2 | 71 | 2.73 | 193 | 9.16 | 218 | 25.14 | 490 | 13.08 | 49.89 |
| PKP3 | 82 | 2.62 | 196 | 9.35 | 220 | 24.76 | 492 | 15.02 | 48.25 |
| PKP4 | 74 | 2.13 | 193 | 5.44 | 225 | 29.01 | — | 16.54 | 46.88 |
| PKP5 | 62 | 1.97 | 340 | 86.91 | — | — | — | — | 11.12 |