Table 3.
Moisture content of the PES/GL treatments before and after rinsing. Bath exhaustion of 100% GL owf at a 1/15 bath ratio at 100 °C, t = 60 min in neutral or alkaline conditions and with microwave irradiation (MW) of the GL solution at different concentrations, power and treatment times.
| N | Sample/Treatment | Moisture at 65%RH (% owf) | Moisture after Rinsing at 65%RH (% owf) |
|---|---|---|---|
| Non Treated PES (PES NT) | 0.5 ± 0.1 | - | |
| 11 | PES 100% GL, BR 1/10, T 60 °C, 180 min | 12.6 ± 0.2 | 1.2 ± 0.3 |
| 12 | PES 100% GL, BR 1/15, T 100 °C, 60 min | 10.1 ± 1.0 | 1.71 ± 0.3 |
| 13 | PES 100% GL, BR 1/15 NaOH, T 100 °C, 60 min | 13.5 ± 1.2 | 1.51 ± 0.5 |
| 14 | PES 50%GL, BR 1/15 NaOH, RT, 2 min, 300 W (MW) | 6.4 ± 0.9 | 0.84 ± 0.4 |
| 15 | PES 50%GL, BR 1/15 NaOH, RT, 5 min, 500 W (MW) | 8.8 ± 0.9 | 1.68 ± 0.3 |
| 16 | PES 50% GL, BR 1/15 H2O, RT, 2 min, 300 W (MW) | 4.6 ± 0.4 | 1.68 ± 0.2 |
| 17 | PES 50% GL, BR 1/15 H2O, RT, 5 min, 500 W (MW) | 7.6 ± 0.6 | 1.26 ± 0.7 |
| 18 | PES 100% GL, BR 1/15 NaOH, RT, 2 min, 300 W (MW) | 10.2 ± 0.6 | 2.19 ± 0.9 |
| 19 | PES 100% GL, BR 1/15 NaOH, RT, 5 min, 500 W (MW) | 13.0 ± 0.5 | 3.42 ± 0.5 |
| 20 | PES 100% GL, BR 1/15 H2O, RT, 2 min, 300 W (MW) | 11.8 ± 0.7 | 2.40 ± 0.1 |
| 21 | PES 100% GL, BR 1/15 H2O, RT, 5 min, 500 W (MW) | 12.4 ± 0.9 | 2.25 ± 0.9 |
N = Treatment number