Table 1. Samples and the Respective Composition of the Solutions Used To Spin Thema.
| sample | PCL (wt %) | PEG (wt %) | IBU (wt % PCL/PEG) |
|---|---|---|---|
| PCL | 8 | ||
| PCL/PEG4 | 8 | 4 | |
| PCL/PEG8 | 8 | 8 | |
| PCL/PEG8-5 | 8 | 8 | 5 |
| PCL/PEG8-15 | 8 | 8 | 15 |
| PCL/PEG8-30 | 8 | 8 | 30 |
All solutions were prepared with chloroform as solvent.