Table 1.
Contact angle of each solvent to disc and HSP value and surface tension of solvents. (A score of 1 indicates a good solvent and a score of 0 indicates a poor solvent.)
| Solvent | δd [(MPa)1/2] | δp [(MPa)1/2] | δh [(MPa)1/2] | Surface tension (25 °C) [mN/m] | Contact angle [°] | Score [-] |
|---|---|---|---|---|---|---|
| N-Methyl formamide | 17.4 | 18.8 | 15.9 | 39.58 | 13.6 | 1 |
| Allyl alcohol | 16.2 | 10.8 | 16.8 | 25.38 | 14.7 | 1 |
| Dimethyl sulfoxide | 18.4 | 16.4 | 10.2 | 42.92 | 15.3 | 1 |
| Ethylene glycol monomethyl ether | 16.0 | 8.2 | 15.0 | 30.84 | 16.0 | 1 |
| Propylenecarbonate | 20.0 | 18.0 | 4.1 | 42.00 | 17.1 | 0 |
| γ-Butyrolactone | 18.0 | 16.6 | 7.4 | 43.44 | 17.4 | 0 |
| Formamide | 17.2 | 26.2 | 19.0 | 57.02 | 17.7 | 0 |
| Salicy aldehyde | 19.0 | 10.5 | 12.0 | 42.28 | 18.1 | 0 |
| 1-Bromonaphthalene | 20.6 | 3.1 | 4.1 | 43.90 | 18.2 | 0 |
| Tetrahydrofuran | 16.8 | 5.7 | 8.0 | 26.50 | 19.0 | 0 |
| 1-Methyl naphthalene | 19.7 | 0.8 | 4.7 | 37.63 | 19.1 | 0 |
| Nitrobenzene | 20.0 | 10.6 | 3.1 | 42.00 | 19.7 | 0 |
| Quinoline | 20.5 | 5.6 | 5.7 | 42.59 | 21.7 | 0 |
| Benzyl alcohol | 18.4 | 6.3 | 13.7 | 35.97 | 24.0 | 0 |
| 1-propanol | 16.0 | 6.8 | 17.4 | 23.31 | 26.0 | 0 |
| Benzyl benzoate | 20.0 | 5.1 | 5.2 | 45.41 | 26.7 | 0 |
| Ethylene Glycol | 17.0 | 11.0 | 26.0 | 47.99 | 27.9 | 0 |