Table 1.
Tensile strength, elongation at break, and tearing strength of PLA and Chitosan–PLA films.
| Composition | Tensile Strength (kgf/cm2) |
Elongation at Break (%) |
Tearing Strength (gf) |
|||
|---|---|---|---|---|---|---|
| MD | TD | MD | TD | MD | TD | |
| PLA | 448 ± 19 a | 271 ± 18 a | 318 ± 16 b | 498 ± 41 a | 54 ± 7 c | 220 ± 14 c |
| 0.5% CH–PLA | 261 ± 23 b | 139 ± 8 b | 376 ± 37 a | 416 ± 39 a | 81 ± 7 b | 282 ± 14 a |
| 1% CH–PLA | 216 ± 3 c | 133 ± 12 b | 320 ± 7 b | 414 ± 67 a | 97 ± 12 a | 252 ± 13 b |
| 2% CH–PLA | 155 ± 8 d | 79 ± 6 c | 255 ± 11 c | 271 ± 32 b | 84 ±8 b | 226 ± 24c |
MD, machine direction; TD, transverse direction; 0.5% CH–PLA, 1% CH–PLA, and 2% CH–PLA, PLA containing 0.5%, 1%, and 2% chitosan, respectively. Data are presented as mean ± SD (n = 3). Different superscript in the same column indicates significant difference (p < 0.05).