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Elemental composition of these resins. Theoretical values given in the parenthesis.
| elements (wt%) |
||||
|---|---|---|---|---|
| s. no | polymers name | C | H | N |
| 1 | m-PBI | 78 (78.32) | 5.9 (5.08) | 15.4 (16.61) |
| 2 | p-PBI | 76 (78.38) | 6.3 (5.72) | 17 (15.90) |
| 3 | pyridine-based m-PBI | 72.1 (74.77) | 6.1 (5.42) | 22 (19.82) |
| 4 | alkylated m-PBI | 81 (81.20) | 8.8 (9.09) | 9.6 (9.71) |
