Sample Melting Temperature (Tm, °C) Melting Enthalpy (J/g) Raw PCL 62 55 Raw PEG 66 58 Electrospun PCL 65 59 Electrospun PEG 69 62 Electrospun PCL/PEG 67 60

Table 2: The thermal properties (melting temperature, Tm and melting enthalpy, J/g) of the polymers before and after electrospinning.