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| spin parameters (rpm:s) |
||||
|---|---|---|---|---|
| material | concentration (w/w %) | ω1:t1 | ω2:t2 | frequency shift after loading (Hz) |
| PAN | 2 | 500:10 | 3000:30 | 3168 |
| PVDF/PVAc | (5/2) | 4000:5 | 6000:15 | 9303 |
| PVP | 3 | 5000:5 | 6000:30 | 4532 |
| PVAc | 16 | 1500:10 | 6000:60 | 9314 |
