Table 6.
Optical properties of the tested films.
| Sample | L* | a* | b* | ΔE | Opacity, UA/mm |
Transparency, %/mm |
Transmittance, % |
|---|---|---|---|---|---|---|---|
| Control | 92.97 ± 0.33 e | −5.53 ± 0.03 a | 10.31 ± 0.31 a | 1.74 ± 0.02 d | 6.50 ± 0.09 f | 65.90 ± 0.01 a | 81.52 ± 0.07 a |
| SFOC1 | 87.04 ± 2.01 d | −4.66 ± 0.37 b | 15.61 ± 1.31 b | 9.72 ± 0.55 c | 12.29 ± 0.03 e | 48.50 ± 0.02 b | 44.55 ± 0.06 b |
| SFOC2 | 83.74 ± 1.68 c | −4.11 ± 0.36 b,c | 18.95 ± 1.56 c | 14.47 ± 0.99 b | 17.30 ± 0.03 d | 34.50 ± 0.02 c | 23.98 ± 0.05 d |
| SFOC3 | 81.01 ± 1.84 c | −3.53 ± 0.34 c | 19.79 ± 1.42 cd | 17.10 ± 0.63 b | 17.95 ± 0.02 c | 33.92 ± 0.06 c | 24.54 ± 0.06 c |
| SFOC4 | 76.78 ± 3.25 b | −2.71 ± 0.74 d | 22.00 ± 2.44 d,e | 21.88 ± 0.07 a | 20.65 ± 0.02 b | 29.19 ± 1.25 d | 13.77 ± 0.50 e |
| SFOC5 | 73.10 ± 0.73 a | −2.10 ± 0.17 d | 23.46 ± 0.17 e | 25.77 ± 0.70 a | 26.06 ± 0.01 a | 20.90 ± 0.17 e | 8.38 ± 0.02 f |
Values followed by different superscript letters (a, b, c, d, e, f) are statistically different at 95% confidence level.