Table 4.
FTIR analysis from HT thermal decomposition products.
| Wavenumber (cm−1) | Vibration of Corresponding Bond | Functional Group |
|---|---|---|
| 3964–3500, 1300–1800 | O–H stretching | H2O |
| 2313–2361, 669 | C=O stretching, C=O bending | CO2 |
| 1684–1745, 2822–2915 | C=O stretching, C–H stretching | R–CHO |
| 1000–1300, 3585–3650 | C–O stretching, O–H stretching | R–OH |
| 2900–3000 | C–H stretching | –CH3 (saturation) |
| 3066 | C–H stretching (aromatic ring) |  |
| 1600 | =C–C=C– (aromatic ring) | |
| 1715 | C=C stretching | –C=C |
| 3200–3650 | O–H stretching | –OH |
| 1000–1300 | C–O stretching | –C–O |