Morphological Characterization of Nanofibers: Methods and Application in Practice

Table 1

Morphological characterization of nanofibres.

Polymer	Area weight g/m^2	Absorption capacity^a	Absorption capacity^b	Porosity %	Specific surface area m^2/g	Average fiber diameter nm
PLA	3.5	92.3	11.3	77.1	6
PLA	4.2	90.3	9.6	—	—
PLA	8.7	87.8	7.2	65.2	7.5	390
PLA	9.7	84.9	5.6	—	—
PLA	12.6	83.2	5	61.8	6.2
PCL	3.4	98.2	60.3	62.2	7.3	160
PCL	10	87	6.7	—	—
Gelatin	4.5	95.4	20.8	84.8	17.6	110
Gelatin	50	93.5	10.2	86.9	16.6
PA	3.3	97.5	41.7	84.8	7.3	280
PA	57.8	76.2	3.2	—	—

^aAbsorption capacity of nanofibers calculated as (𝑚_𝑊−𝑚_𝐷)/𝑚_𝑊 where 𝑚_𝑊 is mass of wet nanofibers and 𝑚_𝐷 is mass of dry nanofibers.
^bAbsorption capacity of nanofibers expressed as (𝑚_H2O/𝑚_𝐷) where 𝑚_H2O is mass of water absorbed by nanofibers and 𝑚_𝐷 is mass of dry nanofibers.