Table 3.
Colour alterations of coloured paper sheets after being covered by selected films. Standard colours: white (W), red (R), yellow (Y), blue (B), green (G). ΔE Values are expressed as means (±standard deviation). Means in each column with the same letter are not significantly different according to Tukey’s test (p < 0.05).
| Samples | ΔE | ||||
|---|---|---|---|---|---|
| W | R | Y | B | G | |
| Without crosslinking | |||||
| C-L25 | 10.62 (0.63) a,b | 5.09 (0.61) c | 6.61 (0.95) b | 7.23 (0.36) d | 3.68 (0.40) b |
| C-L25O25 | 12.92 (0.31) a,b | 8.31 (0.78) a,b | 9.19 (0.65) a,b | 12.96 (0.38) b,c,d | 5.12 (0.52) a,b |
| A-L25 | 11.54 (1.03) a,b | 9.97 (0.45) a,b | 11.51 (0.25) a | 9.22 (0.71) c,d | 6.62 (0.33) a,b |
| A-L25O100 | 13.25 (0.60) a | 7.05 (1.09) b,c | 10.35 (1.39) a,b | 10.15 (0.14) c,d | 6.01 (0.12) a,b |
| With crosslinking | |||||
| C-L25 | 8.74 (0.22) b | 12.24 (0.57) a,b | 11.99 (0.51) a | 14.36 (0.48) a,b | 8.09 (0.32) a |
| C-L25O25 | 14.44 (0.51) a | 12.05 (0.53) a,b | 12.64 (0.95) a | 15.32 (0.92) a | 8.15 (0.20) a |
| A-L25 | 3.74 (0.90) c | 13.56 (0.38) a | 12.27 (1.01) a | 10.61 (0.38) c,d | 7.50 (0.70) a |
| A-L25O100 | 8.73 (1.02) b | 13.38 (1.09) a | 12.61 (0.77) a | 10.95 (0.52) b,c | 7.22 (0.55) a |