Table 2 DSC and TG/DTG parameters of leather samples before and after the soil burial tests: denaturation temperature of the collagen matrix (Td1), denaturation temperature of the crystalline fraction (Td2) and the rate (V310/%min−1) of the first process of thermal oxidation
From: Burial-induced deterioration in leather: a FTIR-ATR, DSC, TG/DTG, MHT and SEM study
Method | DSC | TG/DTG | |
|---|---|---|---|
Sample | Td1 (°C) Collagen–tannin matrix | Td2 (°C) Crystalline collagen | V310/%min−1 |
CH0 | 139.9 | 222.1 | 4.24 |
CH1 | – | – | 3.76 |
CH2 | – | – | 3.40 |
CC0 | 134.7 | 237.4 | 3.96 |
CC1 | – | – | 2.52 |
CC2 | – | – | 1.90 |
SC0 | 134.4 | 229.0 | 4.05 |
SC1 | – | – | 2.75 |
SC2 | – | – | 2.53 |
CaC0 | 149.8 | 235.2 | 4.85 |
CaC1 | – | – | 3.49 |
CaC2 | – | – | 3.12 |
CaC4 | – | – | 2.52 |