Table 3 Theoretical and experimental 1H-NMR data of PANI-AB, PNA-AB, PLu-AB and PPd- AB.
Polymer | Proton | Chemical shift (ppm) | |
|---|---|---|---|
Experimental | Theoretical | ||
Benzene diazonium | Protons of azo benzene | 7.2, 7.6, 8.2 | 7.1, 8.1, 9 |
PANI-AB | NH2 of aniline ring | 4.4 | 4.51, 4.69 |
NH linkage of PANI | 5.3 | 5.0, 5.37 | |
Protons of azo benzene | 7.3, 7.6, 7.8 | 6.4, 6.56 | |
Aromatic protons of aniline | 6.8 | 6.6, 6.7 | |
PNA-AB | NH2 attached to 1-naphthylamine | 4.8 | 4.42 |
NH of PNA | — | 5.85 | |
Aromatic protons of fused benzene of 1-naphthylamine | 6.7, 7.4, 7.8 | 6.55, 6.69, 6.93, 7.31 | |
Protons of azo benzene | 7.3, 7.5 | 6.53, 6.79, 6.81, 6.86 | |
PLu-AB | NH2 attached to luminol | 4.7 | 4.35, 4.86 |
NH of luminol | 5.6 | 5.0, 5.4 | |
Aromatic protons of luminol | 7.4–7.9 | 6.56, 6.65, | |
Protons of azo benzene | 7.3, 7.4–7.9 | 7.14, 7.22, 7.55 | |
PPd-AB | NH2 of o-phenylenediamine ring | 4.3 | 4.6 |
NH of PPd | 4.8 | 5.0, 5.4 | |
Aromatic protons of o-phenylenediamine | 6.9, 7.1 | 6.0, 6.2, 6.35 | |
Protons of azo benzene | 7.3, 7.5–7.8 | 6.55, 6.76, 6.9 | |
