Table 1.

Comparison of core–sheath polymer yield.

Technique	Yield (kg h−1)
Centrifugal spinning [32].	0.1
Solution blowing [33].	7–8
Electrospinning [32].	0.2
Single material pressurised gyration (PEO) [23].	6
Core–sheath pressurised gyration (PEO–PVP)	4.2