TABLE 3.
Thermogravimetric data of the porphyrin (P), chitosan (Ch), nanostructured particles (NP), hybrid nanoparticles (HNP), and hybrid nanoparticles with porphyrin (P-HNP).
| Sample | Tdia (°C) | RW (%) | Tdmax1b (°C) | RWc (%) | Tdmax2 (°C) | RW (%) | Tdmax3 (°C) | RW (%) | Tdmax4 (°C) | c RW (%) |
| P | 290 | 84.7 | 336 | 80.3 | 400 | 70.4 | 456 | 62.8 | 622 | 44.9 |
| Ch | 260 | 87.3 | 315 | 73.6 | – | – | – | – | – | – |
| NP | 188 | 96.6 | 369 | 47.2 | 415 | 20.7 | – | – | – | – |
| HNP | 246 | 96.8 | 360 | 68.8 | 422 | 37.5 | 511 | 10.8 | – | – |
| P-HNP | 252 | 90.5 | 350 | 71.0 | 424 | 40.5 | 507 | 15.2 | – | – |
aTdi, initial degradation temperature.
bTdmax, maximum degradation temperature.
cRW%, remained weight percentage.