Fabrication of Microfibrous and Nano-/Microfibrous Scaffolds: Melt and Hybrid Electrospinning and Surface Modification of Poly(L-lactic acid) with Plasticizer

Table 2

Pore parameters and mechanical properties of the PLA microfibers and nano-/microfiber (20/80) composite scaffolds.

Sample	Pore properties			Mechanical properties
	TIV; (mL/g)	APD; (µm)	P  (%)	Tensile strength; (gf/mm^2)	Elongation break (%)	Modulus; (gf/mm^2)
PLA microfiber	13.3	44.7	94.2	1.5±0.2	46.1±6.5	0.3±0.04
PLA/PLA (20/80); Nano-/microfibers	9.9	34.5	91.6	26.8±13.6	20.6±2.9	2.7±0.4
SF/PLA (20/80); Nano-/microfibers	6.4	39.2	95.0	20.6±3.6	11.0±1.5	2.1±0.4

TIV: total intrusion volume.
APD: average pore diameter.
P: porosity.