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Fiber Morphology of Hydrolyzed Electrospun PAN Fibers Under Various Conditions (Treated with 2 N NaOH at 70°C)
| Variable | Time (min) | Condition | Fiber morphology | SEM images |
|---|---|---|---|---|
| Mechanical agitation, time | 15 min | No stirring | Improved morphology |  |
| Time | 15 min | Stirring | Improved morphology |  |
| Mechanical agitation | 30 min | No stirring | Improved morphology |  |
| Mechanical agitation | 30 min | Stirring | Gel kind |  |
| Mechanical agitation, time | 4 h | No stirring | Gel kind |  |
