PVA samples | ММ/103 | Functional groups, w.% | ||
|
| Hydroxyl groups, weight % | Acetate groups, weight % -OCOCH3 | Total salt-COONa, weight % |
PVA-1 | 20 | 98.5 | 1.5 | - |
PVA-2 | 20 | 88.4 | 10.6 | - |
PVA-5 | 65 | 98.4 | 1.6 | - |
MPVA-14 | 62 | 83.1 | 13.5 | 2.8 |