Table 3. A) Acidic, Basic Components of Surface Free Energies of Test Liquids used in this work (mJ/m2). B) Surface Free Energy Components of PMMAs Surface Calculated by Acid-Base Approach (mJ/m2). C) Surface Free Energy of PMMAs Surface Calculated by the Other Methods (mJ/m2). D) Polarity and Average Contact Angle.
| A | |||||||
|---|---|---|---|---|---|---|---|
| Liquid | γL | γLwL (γdL) | γABL (γpL) | γ+L | γ–L | Polarity (γpL/γdL) | |
| Water (w) | 72.8 | 21.8 | 51.00 | 25.5 | 25.5 | 2.34 | |
| Diiodomethane (d) | 50.8 | 50.8 | 0 | 0 | 0 | 0 | |
| Formamide (f) | 58.00 | 39.00 | 19.00 | 2.28 | 39.6 | 0.49 | |
| B | |||||||
| PMMAs | γL | γLwL (γdL) | γABL (γpL) | γ+L | γ–L | ||
| Q | 39.77±0.76 | 35.19±0.76 | 4.58±0.48 | 1.03 | 2.28 | ||
| A | 36.60±1.28 | 32.71±2.56 | 3.88±1.74 | 0.99 | 1.94 | ||
| D | 37.71±1.45 | 34.72±0.89 | 2.99±1.12 | 0.79 | 2.14 | ||
| C | |||||||
| PMMAs | Equation of State | OWRK/Fowkes | Wu | Zisman | |||
| Q | 38.33±0.55 | 40.51±0.78 | 44.06±0.74 | 36.85±2.13 | |||
| A | 35.81±0.90 | 37.39±1.09 | 40.95±0.98 | 32.27±8.98 | |||
| D | 36.75±1.14 | 38.62±1.45 | 42.09±1.45 | 35.58±2.23 | |||
| D | |||||||
| PMMAs | Polarity (γpL/γdL) | θ° (Water) | θ° (Diiodomethane) | θ° (Formamide) | |||
| Q | 0.13±0.01 | 70.59±11.68 | 55.04±12.95 | 51.71±1.88 | |||
| A | 0.12±0.06 | 81.93±5.09 | 52.72±4.52 | 56.81±1.88 | |||
| D | 0.08±0.03 | 80.56±3.35 | 49.18±1.61 | 56.28±4.06 | |||