Table 2.
NMR characterization of synthesized PILs.
| IL | 1H NMR, ppm | 13C NMR, ppm | |||||
|---|---|---|---|---|---|---|---|
| Alkylic chain | Imidazolium ring | Polymeric chain | N-CH2 | Alkylic chain | Imidazolium ring | N-CH2 | |
| PImC12 | 0.89 (b, 3H) 1.26 (b, 18H) 1.72 (b, 2H) |
7.32 (b, 2H) 8.35 (b, 1H) |
1.86 (b, 2H) 2.95 (b, 1H) |
4.09 b, 2H | 14.30, 22.91, 26.51, 29.17 (2C), 29.60 (2C), 29.90 (3C), 32.16 | 123.83, 129.42, 136.12 |
51.60 |
| PImC8 | 0.89 (b, 3H) 1.29 (b, 10H) 1.69 (b, 2H) |
7.89 (b, 2H) 8.62 (b, 1H) |
2.28 (b, 2H) 3.24 (t, 1H) |
3.94 b, 2H | 13.57, 21.78, 25.70, 28.15, 28.41, 28.89, 30.95 | 123.83, 128.87, 136.12 |
49.52 |
| PImC4 | 0.96 (b, 3H) 1.35 (b, 2H) 1.70 (b, 2H) |
7.68 (b, 1H) 7.89 (b, 1H) 8.66 (b, 1H) |
2.27 (b, 2H) 3.24 (b, 1H) |
3.97 b, 2H | 12.88, 18.78, 30.63 | 123.44, 129.12, 134.49 |
49.08 |