Table 7.
Chemical shifts and the integral ratio of 1H NMR spectra for PBABI copolyesters.
| Sample | H1 | H2 | H3 | H4 | H5 | H6 | H7 | H8 |
|---|---|---|---|---|---|---|---|---|
| BA/BI = 90/10–0.05 | 1.893 (1.003) |
1.975 (0.986) |
2.654 (1.000) |
3.678 (0.033) |
4.415 (1.021) |
6.085 (0.019) |
6.678 (0.017) |
7.073 (0.010) |
| BA/BI = 90/10–0.1 | 1.897 (1.004) |
1.971 (0.985) |
2.658 (1.000) |
3.683 (0.045) |
4.419 (1.029) |
6.095 (0.030) |
6.684 (0.024) |
7.072 (0.011) |
| BA/BI = 90/10–0.2 | 1.916 (1.007) |
1.998 (1.026) |
2.677 (1.000) |
3.706 (0.036) |
4.438 (1.024) |
6.102 (0.024) |
6.706 (0.021) |
7.102 (0.014) |