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Electrospun fiber appearance related to polymer composition.
| Polymer Code | Composition and Molar Ratio | Hard Segment %wt | Soft Segment %wt | Appearance |
|---|---|---|---|---|
| PU-1 | PCL/LDI/BDA = 1/2/1 | 29.05 | 70.95 | Weak, yellowed fibers |
| PU-2 | PCL/LDI/BDA = 1/4/3 | 46.95 | 53.05 | Robust, slightly yellowed fibers |
| PU-3 | PCL/LDI/BDA = 1/8/7 | 64.78 | 35.22 | Electrospray and drips |
| PU-4 | PCL/BDI/BDA = 1/4/3 | 39.38 | 60.62 | Unable to melt polymer |
| PU-5 | PCL/BDI/BD = 1/4/3 | 35.22 | 64.78 | Good quality fibers |
