Influence of Nanofiber Orientation on Morphological and Mechanical Properties of Electrospun Chitosan Mats

Table 2

Young’s modulus (E), stress at break (σ_{at break}), and elongation at break (ε_{at break}) of the two different fibers orientations (// and ⊥) of Cs electrospun mats produced with rotating drum collector.

	//			⊥
	E (MPa)	σat break (MPa)	εat break (%)	E (MPa)	σat break (MPa)	εat break (%)
800 rpm	3.83 ± 0.70	1.18 ± 0.21	17.16 ± 2.60	2.98 ± 0.46	0.63± 0.11	14.62 ± 1.55
1000 rpm	3.65 ± 0.54	0.83 ± 0.17	13.02 ± 0.70	2.81 ± 0.096	0.35 ± 0.13	9.95 ± 2.63
1200 rpm	11.48 ± 0.71	3.37 ± 0.59	22.47 ± 4.11	5.08 ± 0.55	1.08 ± 0.17	17.43 ± 0.74
1800 rpm	16.24 ± 2.67	3.91 ± 0.58	20.62 ± 2.98	4.07 ± 0.88	0.88 ± 0.09	16.28 ± 2.24
2000 rpm	34.61 ± 7.75	6.54 ± 1.92	16.94 ± 2.85	7.12 ± 0.69	1.42 ± 0.24	16.54 ± 2.21
2500 rpm	41.32 ± 1.64	7.77 ± 1.65	17.83 ± 3.87	6.09 ± 0.098	1.16 ± 0.23	16.78 ± 2.03