Table 3.
The values of the azimuthal anchoring energy of MBBA and 5CB on the polyimides PI-HMDA and PI-ODA after stretching (STR), rubbing (RUB), rubbing after stretching (STR RUB), and stretching after rubbing (RUB STR).
| Sample | Azimuthal Anchoring Energy, N/nm | |
|---|---|---|
| MBBA | 5CB | |
| PI-HMDA STR | 3.1926 × 10−16 | 3.7431 × 10−16 |
| PI-HMDA RUB | 1.5523 × 10−15 | 1.8199 × 10−15 |
| PI-HMDA STR RUB | 2.0082 × 10−16 | 2.3545 × 10−16 |
| PI-HMDA RUB STR | 6.8393 × 10−16 | 8.0185 × 10−16 |
| PI-ODA STR | 1.4726 × 10−16 | 1.7265 × 10−16 |
| PI-ODA RUB | 5.0654 × 10−16 | 5.9387 × 10−16 |
| PI-ODA STR RUB | 2.1223 × 10−16 | 2.4882 × 10−16 |
| PI-ODA RUB STR | 1.1035 × 10−15 | 1.2937 × 10−15 |