Table 5 Temperatures of initial decomposition (T. Onset), maximum decomposition (T. Max), and percentage of sample residue as determined by the TGA curve.
Sample | Onset of Degradation (T. Onset) (ºC) | Maximum degradation (T. Max) (ºC) | Residue after Heating (%) |
|---|---|---|---|
Paper untreated | |||
Paper at 4.000 Rev | 237.32 | 312.69 | 9.60 |
Paper at 6.000 Rev | 244.84 | 316.37 | 17.19 |
Paper treated | |||
5% NFC%/1.5% CS/4.000 Rev | 253.47 | 320.37 | 16.18 |
5% NFC %/1.5% CS/6.000 Rev | 258.28 | 325.03 | 6.85 |
10% NFC %/1.5% CS/4.000 Rev | 258.90 | 324.27 | 4.42 |
NFC | 264.21 | 326.43 | 11.65 |
Chitosan | 246.83 | 281.26 | 37.20 |