Table 2: The thermal properties and the crystallinity of different solvents ratio PVDF/PEI composite fiber membrane prepared by electrospinning.

Samplem(DMF)/m(THF)
9/18/27/36/45/5

Melting point/°C166.59165.21165.07164.66166.58
Melting enthalpy/()/J·g−125.7728.1632.7429.2027.08
Crystallinity/%24.6126.8931.2727.8825.86