Table 1 SBS process parameters applied for each layer in Nano and Micro prostheses. The layer that is present in a given prosthesis type is marked with “ + ”, a layer that is absent is marked with “- “
Layer | Nano | Micro | Polymer conc. [%w/w] | Solution vol. [ml] | Collector-nozzle tip distance [cm] | Collector rotational speed [rpm] | Solution flow rate [ml/h] | Air flow rate [MPa] |
|---|---|---|---|---|---|---|---|---|
nanofibers | + | - | 2 | 3 | 50 | 3 000 | 30 | 0.1 |
dense microfibers | + | + | 5 | 6 | 10 | 3 000 | 30 | 0.1 |
microfibers | + | + | 5 | 20 | 30 | 3 000 | 30 | 0.1 |
aligned microfibers | + | + | 5 | 4 | 30 | 20 000 | 30 | 0.1 |