Official Journal of the Japan Wood Research Society
Table 4 Surface energies and the Lifshitz–van der Waals (\( \gamma_{\text{L}}^{\text{LW}} \)), Lewis acid–base (\( \gamma_{\text{S}}^{\text{AB}} \)), electron acceptor (\( \gamma_{\text{L}}^{ + } \)), and electron donor (\( \gamma_{\text{L}}^{ - } \)) components of samples
Samples | \( \gamma_{\text{S}} \) (mJ m2) | \( \gamma_{\text{S}}^{\text{LW}} \) (mJ m2) | \( \gamma_{\text{S}}^{\text{AB}} \) (mJ m2) | \( \gamma_{\text{S}}^{ + } \) (mJ m2) | \( \gamma_{\text{S}}^{ - } \) (mJ m2) |
|---|---|---|---|---|---|
Unaged A | 18.12 | 24.33 | − 6.21 | 0.34 | 27.95 |
Unaged B | 29.31 | 31.22 | − 1.91 | 0.15 | 6.00 |
Unaged C | 27.89 | 29.99 | − 2.10 | 0.17 | 6.36 |
Unaged D | 29.25 | 30.23 | − 0.99 | 0.05 | 4.97 |
Aged A | 16.61 | 22.65 | − 6.04 | 0.53 | 17.33 |
Aged B | 33.09 | 33.71 | − 0.63 | 0.007 | 13.51 |
Aged C | 30.45 | 32.16 | − 1.70 | 0.07 | 10.15 |
Aged D | 30.67 | 31.05 | − 0.38 | 0.004 | 8.52 |