Physicochemical properties of the films.
| Sample | Adhesion (%) | Impact strength (N m) | Flexibility diameter (in) | Water absorption (%) |
|---|---|---|---|---|
| WRPE21 | 100 | 50 | 1/8 | 0.7 |
| WRPE22 | 100 | 50 | 1/8 | 1.3 |
| WRPE23 | 100 | 50 | 1/6 | 1.7 |
| WRPE24 | 100 | 50 | 1/6 | 2.1 |
| WRPE25 | 100 | 50 | 1/6 | 2.6 |
| WRPE31 | 100 | 50 | 1/8 | 1.1 |
| WRPE32 | 100 | 50 | 1/8 | 1.9 |
| WRPE33 | 100 | 50 | 1/8 | 2.3 |
| WRPE34 | 100 | 50 | 1/6 | 2.9 |
| WRPE35 | 100 | 50 | 1/6 | 3.8 |