Table 3 Comparison of PES and PES/CS membranes
Group | PES Membrane from literature [51] | PES polymer | PES/CS-2.5% | PES/CS-5% |
|---|---|---|---|---|
Benzene ring stretching | 1580 cm− 1 | 1578− 1 | 1580 cm− 1 | 1578 cm− 1 |
C-C bond stretching | 1488 cm− 1 | 1485− 1 | 1487 cm− 1 | 1483 cm− 1 |
Aromatic ether stretching | 1244 cm− 1 | 1238− 1 | 1236 cm− 1 | 1233 cm− 1 |
C-O bond stretching | 1106 cm− 1 | 1103− 1 | 1105 cm− 1 | 1103 cm− 1 |