Improving the Physical Properties of Nanofibers Prepared by Electrospinning from Polyvinyl Chloride and Polyacrylonitrile at Low Concentrations

Table 3

Results of XRD analysis of many calculated structural parameters such as crystallinity (%), crystalline size (nm), FWHM, reflection intensity, d-spacing (d), and peak position (2θ) of pure PAN, pure PVC, and 25 : 75 PVC: PAN nanofibers.

Samples		d (nm)	Rel. int. (%)	FWHM	Crystalline size (nm)	Crystallinity (%) in (100) rel. int.
Pure PAN	17.788	0.49822	34.8	0.962	8	61.2
	19.324	0.45896	50	1.065	7
	21.16	0.41952	100	1.883	4
	21.432	0.41425	43.3	0.824	9
	25	0.35589	46.5	1.127	7
	26.2	0.33985	11.7	0.399	21
Pure PVC	18.32	0.48388	80.5	0.416	19	63.44
	24.101	0.36896	100	0.576	14
25 : 75 PVC: PAN	17.4	0.50924	36.1	1.426	5	60.00
	20	0.44359	84.8	1.252	6
	20.985	0.42298	84.6	1.299	6
	21.112	0.42046	100	1.382	5

Rel. int.: reflection intensity, d: d-spacing, and : peak position.