Table 1.
Poly(vinyl alcohol) (PVA) amination in different concentrations and different time points. The results of the gelation time of the different PVA modified with amine groups (PVA-A) polymers using genipin (0.1% wt/wt) as a cross-linker.
| Sample Name a PVA-AX-Y |
Reaction Time (h) | Target Amination (mol%) | Calculated Amination (mol%) | Efficiency (%) | Gelation Time (h) |
|---|---|---|---|---|---|
| PVA-A1-10 | 1 | 10 | 3.7 | 37 | 72 |
| PVA-A1-50 | 1 | 50 | 8.8 | 17.6 | 72 |
| PVA-A1-100 | 1 | 100 | 18.0 | 18.0 | 48 |
| PVA-A2-10 | 2 | 10 | 5.2 | 52 | 72 |
| PVA-A2-50 | 2 | 50 | 14.9 | 29.8 | 48 |
| PVA-A2-100 | 2 | 100 | 23.7 | 23.7 | 24 |
| PVA-A24-10 | 24 | 10 | 9.7 | 97 | 72 |
| PVA-A24-50 | 24 | 50 | 29.7 | 59.3 | 24 |
| PVA-A24-100 | 24 | 100 | 37.4 | 37.4 | 24 |
a In the sample naming, X corresponds to the reaction time (h) and Y corresponds to the maximum theoretical amination percentage.