<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In the study, the morphological properties of polyacrylonitrile (PAN) fibers produced by electrospinning at different needle diameters and solution flow rates were investigated. For this purpose, 20G and 22G diameter needles were used. The fibres were produced at flow rates of 0.5 ml/hr, 1 ml/hr and 1.5 ml/hr. Scanning electron microscopy (SEM) was used to measure nanofiber diameters. Statistical analyzes were made with the help of the SPSS program. It was observed that finer fibers were obtained as the needle diameter decreased. As the solution flow rate increased, thicker fibers were obtained. In addition, it was observed that the needle diameter and flow rate affect the fiber arrangement and interfiber spacing.</p>
</abstract>

In the study, the morphological properties of polyacrylonitrile (PAN) fibers produced by electrospinning at different needle diameters and solution flow rates were investigated. For this purpose, 20G and 22G diameter needles were used. The fibres were produced at flow rates of 0.5 ml/hr, 1 ml/hr and 1.5 ml/hr. Scanning electron microscopy (SEM) was used to measure nanofiber diameters. Statistical analyzes were made with the help of the SPSS program. It was observed that finer fibers were obtained as the needle diameter decreased. As the solution flow rate increased, thicker fibers were obtained. In addition, it was observed that the needle diameter and flow rate affect the fiber arrangement and interfiber spacing.

Investigation of the Effect of Needle Diameter and the Solution Flow Rate on Fiber Morphology in the Electrospinning Method

Fibres & Textiles in Eastern Europe

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In the study, the morphological properties of polyacrylonitrile (PAN) fibers produced by electrospinning at different needle diameters and solution flow rates...

Diameter	Flow rate	Kolmogorov Simirnov statistic	df	Sig.
	0.5 ml/hr	0.96	120	0.09
	1 ml/hr	0.94	120	0.14
	1.5 ml/hr	0.94	120	0.20
Test of homogeneity of variances
Diameter		Levene statistic	df	Sig.
Diameter		0.56	358	0.89

Group	N	Mean	Standard Deviation	t	df	Sig.
20G	120	456.054	13.67	4.320	238	0.001
22G	120	435.287	15.44

Distance between electrodes	20 cm
Voltage amount	20 kV
Needle diameter	22G
Metal collector material	Copper
Metal collector thickness	10 mm
Metal collector shape	Circle (10 cm diameter)
Flow rate	0.5-1-1.5 ml/hr

One-Way Anova		Sum of squares	df	Mean squared	F	Sig.
	Between groups	45950.16	2	22975.08	175.93	0.000
	Within groups	46620.39	357	130.59
	Total	92570.54	359
	(I) Flow rate	(J) Flow rate	Average difference (I-J)	Sig.
Tukey test	0.5 ml/hour	1 ml/hour	-11.97	0.000
	0.5 ml/hour	1.5 ml/hour	-27.59	0.000
	1 ml/hour	0.5 ml/hour	11.97	0.000
	1 ml/hour	1.5 ml/hour	-15.62	0.000
	1.5 ml/hour	0.5 ml/hour	27.59	0.000
	1.5 ml/hour	1 ml/hour	15.62	0.000

Investigation of the Effect of Needle Diameter and the Solution Flow Rate on Fiber Morphology in the Electrospinning Method

Article Category: Research Article

Publicado en línea: 18 oct 2023

Páginas: 22 - 29

DOI: https://doi.org/10.2478/ftee-2023-0032

Palabras clave
electrospinning, needle diameter, solution flow rate, nanofiber diameter, PAN

© 2023 Łukasiewicz Research Network-Łódź Institute of Technology, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1.

Normality test and test of homogeneity of variances

t-test results

Histogram graphs of nanofibers obtained with different diameter needles

Experimental parameters

Histogram graps of nanofibers obtained at different flow rates

SEM images and appearance on the paper surface

Analysis of variance and Tukey test results

Investigation of the Effect of Needle Diameter and the Solution Flow Rate on Fiber Morphology in the Electrospinning Method

Article Category: Research Article

Publicado en línea: 18 oct 2023

Páginas: 22 - 29

DOI: https://doi.org/10.2478/ftee-2023-0032

Palabras claveelectrospinning, needle diameter, solution flow rate, nanofiber diameter, PAN

© 2023 Łukasiewicz Research Network-Łódź Institute of Technology, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1.

Normality test and test of homogeneity of variances

t-test results

Histogram graphs of nanofibers obtained with different diameter needles

Experimental parameters

Histogram graps of nanofibers obtained at different flow rates

SEM images and appearance on the paper surface

Analysis of variance and Tukey test results

Palabras clave
electrospinning, needle diameter, solution flow rate, nanofiber diameter, PAN