Table 1.
Chromaticity coordinates, color variation, and opacity index of developed films.
| Films | Thickness (µm) | L* | a* | b* | ΔE* | Opacity |
|---|---|---|---|---|---|---|
| PLA | 79.4 ± 6.9 a | 98.2 ± 0.1 d | −0.05 ± 0.01 f | 2.2 ± 0.1 a | – | 0.6 ± 0.1 a |
| B | 81.3 ± 6.8 a | 97.5 ± 0.1 b | −0.09 ± 0.01 e | 2.4 ± 0.1 c | 0.8 ± 0.1 b | 12.8 ± 1.3 d |
| B-Q | 83.6 ± 8.9 a | 97.1 ± 0.1 a | −0.51 ± 0.03 c | 3.4 ± 0.1 e | 1.7 ± 0.1 d | 7.4 ± 2.1 c |
| B-Q-CNC | 83.5 ± 8.1 a | 97.2 ± 0.1 a | −0.44 ± 0.02 d | 3.2 ± 0.1 d | 1.5 ± 0.1 c | 7.2 ± 1.9 c |
| T | 99.0 ± 3.5 a | 98.3 ± 0.1 d | −0.11 ± 0.01 e | 2.3 ± 0.1 b | 0.2 ± 0.1 a | 3.7 ± 0.3 b |
| T-Q | 102.2 ± 5.2 b | 97.9 ± 0.1 c | −0.57 ± 0.02 b | 3.9 ± 0.1 f | 1.9 ± 0.1 e | 3.6 ± 0.6 b |
| T-Q-CNC | 103.7 ± 4.3 b | 97.9 ± 0.1 c | −0.61 ± 0.02 a | 3.9 ± 0.1 f | 1.9 ± 0.1 e | 3.1 ± 0.2 b |
Lower case letters a–findicate statistically significant differences of the same parameter among films according to ANOVA analysis (p < 0.05).