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Melt-blown process conditions applied for preparation of polylactide (PLA) nonwovens.
| Parameter | |
|---|---|
| Polymer yields | 5 g/min |
| Mass per unit area of nonwovens | 160 g/m2 |
| Air flow rate | 7–8 m3/h |
| Temperature of the extruder: zone 1 | 195 °C |
| Temperature of the extruder: zone 2 | 245 °C |
| Temperature of the extruder: zone 3 | 260 °C |
| Head temperature | 260 °C |
| Air heater temperature | 260 °C |
