| 膜简称 | PES (wt %) | PVP (wt %) | DMF (wt %) | MS-PVP (wt %) |
| M0 | 18 | 4 | 78 | 0 |
| M-0.5 | 18 | 4 | 77.5 | 0.5 |
| M-1 | 18 | 4 | 77 | 1 |
| M-3 | 18 | 4 | 75 | 3 |
| M-5 | 18 | 0 | 73 | 5 |