Table 2 Spinning parameters for the experiments of Group 1, 2, and 3 from Table 1.

Flow rate of Bore fluid (in g min⁻¹)

Flow rate of Support layer solution (in g min⁻¹)

Flow rate of Glycerol (in mL min⁻¹)

Flow rate of Film forming solution (in mL min⁻¹)

Air gap (in cm)