Table 3.
Optimum conditions for formation of nonwoven fabrics from DBC and PCL fibres where: Cp = % concentration by weight; T = ambient temperature; Φ = air relative humidity; U = supply voltage; h = distance from capillary to collector; ω = angular speed of collecting drum; P = angular speed of supply pump.
| Type of polymer | Type of solvent | Cp [%] |
T [°C] |
Φ [%] |
U [kV] |
h [cm] |
ω [1/min] |
P [obr/min] |
|---|---|---|---|---|---|---|---|---|
| PCL | dichloromethane | 7.5 | 13.6 | 48 | 35 | 50 | 20 | 1.1 |
| DBC | ethyl alcohol | 6.0 | 23.0 | 48 | 28 | 15 | 20 | 5.5 |