Table 2.
Color properties of CA-CM-coated LDPE films.
| Formulations | Thickness (µm) | L | a* | b* | ∆E |
|---|---|---|---|---|---|
| LDPE | 50 ± 2 | 98.7 ± 0.1 a | −0.03 ± 0.02 a,b | 2.02 ± 0.03 a | - a |
| LDPE/CA | 55 ± 3 | 98.6 ± 0.1 a | −0.02 ± 0.01 a,b | 2.05 ± 0.06 a | 0.05 ± 0.03 a,b |
| LDPE/CA-CM1 | 60 ± 1 | 98.8 ± 0.3 a | −0.01 ± 0.02 a | 2.04 ± 0.06 a | 0.10 ± 0.10 b |
| LDPE/CA-CM3 | 60 ± 4 | 98.5 ± 0.2 a | −0.04 ± 0.02 a | 2.09 ± 0.03 a | 0.18 ± 0.09 a,b, |
| LDPE/CA-CM5 | 63 ± 3 | 98.5 ± 0.1 a | −0.06 ± 0.01 b | 2.19 ± 0.02 b | 0.27 ± 0.03 b |
a–b Different superscripts within the same column indicate significant differences between formulations (p < 0.05).