Official Journal of the Japan Wood Research Society
Table 6 Contact angles and K values on different processed wood surface treated with dye and flame retardant
Sample | Contact angle | K value | ||||
|---|---|---|---|---|---|---|
θ i (°) | θ e (°) | Percent decrease (%) | K | SE | R 2 | |
Untreated wood | 106.06 | 24.32 | 77.07 | 0.237 | 0.046 | 0.996 |
Dyed wood with BL-flame-retardant concentration of 0% | 103.57 | 58.83 | 43.20 | 0.111 | 0.067 | 0.988 |
Dyed wood with BL-flame-retardant concentration of 10% | 93.61 | 10.34 | 88.95 | 0.323 | 0.025 | 0.987 |
Dyed wood with BL-flame-retardant concentration of 20% | 78.60 | 8.65 | 88.99 | 0.354 | 0.034 | 0.991 |
Dyed wood with BL-flame-retardant concentration of 30% | 82.41 | 8.32 | 89.90 | 0.370 | 0.029 | 0.971 |