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Characteristics of the PGL, EUO, and biopolyols
| PGL | Biopol-B | Biopol-PET | Biopol-PU | Biopol-BPA | |
|---|---|---|---|---|---|
| OH value (mg KOH/g) | 270 ± 30 | 160 ± 20 | 140 ± 20 | 128 ± 20 | 360 ± 40 |
| Hydroxyl (%) | – | 6.8 | 5.9 | 5.4 | 15.3 |
| Acid value (mg KOH/g) | 1.9 | 2.8 | 1.4 | 2.2 | 9.8 |
| Carboxyl (%) | – | 0.2 | 0.1 | 0.7 | 2.0 |
| Viscosity average (mPa.s) | 689.0 | 54.0 | 37.0 | 831.0 | 2519.0 |
| Content of glycerola in CG was 34.0% | |||||
aThe content of glycerol in CG was determined by the method[40]
