Table 1.
Designation of the obtained polyamic acids and polyimides.
| Molar Ratio of R/BAPB | Name PAA | Name PI |
|---|---|---|
| 0.93:1 | PAA 0.93 | PI 0.93 |
| 0.95:1 | PAA 0.95 | PI 0.95 |
| 0.97:1 | PAA 0.97 | PI 0.97 |
| 0.98:1 | PAA 0.98 | PI 0.98 |
| 0.99:1 | PAA 0.99 | PI 0.99 |
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