Table 2.
Effect of the molecular weight and degree of hydrolysis on the properties of PVA [87].
| Increasing | Decreasing | |
|---|---|---|
| Molecular Weight | Viscosity | Flexibility |
| Tensile Strength | Water Sensitivity | |
| Water Resistance | Ease of Solvation | |
| Solvent Resistance | ||
| Dispersing Power | ||
| Adhesive Strength | ||
| Block Resistance | ||
| Percentage of Hydrolysis | Tensile Strength | Flexibility |
| Block Resistance | Dispersing Power | |
| Water Resistance | Water Sensitivity | |
| Solvent Resistance | Adhesion to Hydrophobic Surfaces | |
| Adhesion to Hydrophilic Surfaces |