Table 3 Color difference before and after rosin reinforcement
Sample | Concentration | Before reinforcement (ΔE) | After reinforcement (ΔE) | δ(ΔE) |
|---|---|---|---|---|
Blank | Blank | 65.00 | 65.00 | 0 |
1 | 4% | 60.60 | 66.80 | 6.2 |
2 | 4% | 55.90 | 65.50 | 9.6 |
3 | 4% | 46.70 | 66.70 | 20 |
4 | 4% | 45.10 | 68.50 | 23.4 |
5 | 8% | 49.80 | 71.90 | 22.1 |
6 | 8% | 51.40 | 74.90 | 23.5 |
7 | 8% | 45.70 | 56.80 | 11.1 |
8 | 8% | 57.30 | 75.70 | 18.4 |
9 | 12% | 50.30 | 75.70 | 25.4 |
10 | 12% | 55.10 | 75.10 | 20 |
11 | 12% | 45.70 | 76.60 | 30.9 |
12 | 12% | 53.80 | 77.70 | 23.9 |
13 | 16% | 52.50 | 77.60 | 25.1 |
14 | 16% | 56.10 | 78.40 | 22.3 |
15 | 16% | 58.80 | 78.40 | 19.6 |
16 | 16% | 50.30 | 71.90 | 21.6 |
17 | 20% | 57.30 | 75.00 | 17.7 |
18 | 20% | 61.10 | 76.70 | 15.6 |
19 | 20% | 51.30 | 70.00 | 18.7 |
20 | 20% | 56.20 | 75.00 | 18.8 |
