Research Article
Computational, Kinetics, and Corrosion Protection Aspects of Electrodeposited Poly(Salicylic Acid) Coatings as a Corrosion Inhibitor for Mild Steel
Table 4
Infrared absorption bands of SA and PSA.
| Assignments | Wavenumber (cm −1) | SA | PSA |
| CH out-of-plane bending for 1, 2 di-substituted benzene ring. | 580s | 680s | 768w | 763m |
| CH out-of-plane bending for 1, 2, and 4 tri-substituted benzene ring. | 869m | 886s | Stretching vibration for C-O group. | — | 1024w | Stretching for incorporation in the polymer sulfate group. | 1218b | 1193b |
| Stretching vibration of C=C in benzene ring | 1456s | 1454m | 1656b | 1660s | 2600w | 2597b | 2876w | 2856s |
| Stretching vibration for CH aromatic | — | 2999w | — | 3233b |
| Stretching vibration intermolecular hydrogen of solvated OH group or end group OH of polymeric chain. | 3496b | 3437w |
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(where s: strong, w: weak, b: broad, and m: medium).
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