Open Access
Table 4.
FT-IR characteristic peaks of coatings.
| Ranges (cm−1) | Comment |
|---|---|
| 3150–3650 | -OH groups |
| 2995–3050 | C-H stretch in the epoxide |
| 2949 | H-C-H asymmetric stretching |
| 2888 | H-C-H asymmetric stretching |
| 1720 | C=O |
| 1644 | Bending absorption of water |
| 1479 | Bending vibrations of the C-H bonds of the alkyl groups in the organic network |
| 1410–1470 | C-C stretching deformation bands |
| 1349 | C-O-C |
| 1270–1310 | Symmetric C-C stretching deformation bands |
| 1256 | Asymmetrical epoxy ring stretching bands |
| 1200 | Strong Si-O-Si bands vibration |
| 1165 | Si-O-Si asymmetric stretching vibration |
| 1100 | Strong Si-O-Si bands vibration |
| 1067 | Asymmetric C-O-C stretching vibration |
| 928 | Asymmetrical epoxy ring stretching bands |
| 895 | Molybdate ion |
| 862 | Asymmetrical epoxy ring stretching bands |
| 828 | Ce(OH)+2 |
| 797 | Symmetric Si-O-Si stretching vibrations |
| 724 | Ce(OH)+2 |
| 539 | Al-O-Si bending vibration |
| 470 | Si-O-Si bending vibration |
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