Table 3.
Elastic modulus (EM, MPa), tensile strength (TS, MPa) and percentage of elongation (E, %) of blend control film and oil composite films.
| FILMS | EM (MPa) | TS (MPa) | E (%) | |||
|---|---|---|---|---|---|---|
| 1W | 5W | 1W | 5W | 1W | 5W | |
| S-PVA | 506 ± 63 a,1 | 690 ± 44 a,2 | 26.8 ± 1.4 a,1 | 32.3 ± 1.6 a,2 | 40 ± 4 a,1 | 41 ± 3 a,1 |
| S-PVA-1OEO | 502 ± 50 a,1 | 329 ± 53 b,c,2 | 26 ± 2 a,1 | 20.6 ± 1.5 b,2 | 42 ± 11 a,1 | 61 ± 9 b,2 |
| S-PVA-2OEO | 271 ± 49 b,1 | 355 ± 37 b,1 | 4.33 ± 0.13 b,1 | 7.66 ± 0.11 c,1 | 4.9 ± 0.5 b,1 | 4.7 ± 0.3 c,1 |
| S-PVA-1NO | 413 ± 32 c,1 | 296 ± 11 c,2 | 21.5 ± 1.0 c,1 | 19 ± 2 d,1 | 44 ± 7 a,1 | 60 ± 17 b,2 |
| S-PVA-2NO | 174 ± 14 d,1 | 124 ± 20 d,1 | 7.2 ± 0.6 d,1 | 6.8 ± 0.7 e,1 | 11 ± 2 b,1 | 21 ± 6 d,2 |
a,b,c,d,e different letter in the same column indicates significant differences among formulations (p < 0.05); 1,2 different number in the same file indicates significant differences among storage time (p < 0.05).