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Article

The Mechanical Properties of PVC Nanofiber Mats Obtained by Electrospinning

1
Institute BioEngineering, ITMO University, Kronverkskiy Prospekt, 49A, 197101 St. Petersburg, Russia
2
Center of Information Optical Technology, ITMO University, Kronverkskiy Prospekt, 49A, 197101 St. Petersburg, Russia
*
Author to whom correspondence should be addressed.
Received: 17 November 2020 / Revised: 3 December 2020 / Accepted: 23 December 2020 / Published: 5 January 2021
(This article belongs to the Special Issue Polymer Fibers and Composites)
This paper investigates the mechanical properties of oriented polyvinyl chloride (PVC) nanofiber mats, which, were obtained by electrospinning a PVC solution. PVC was dissolved in a solvent mixture of tetrahydrofuran/dimethylformamide. Electrospinning parameters used in our work were, voltage 20 kV; flow rate 0.5 mL/h; the distance between the syringe tip and collector was 15 cm. The rotating speed of the drum collector was varied from 500 to 2500 rpm with a range of 500 rpm. Nanofiber mats were characterized by scanning electron microscope, thermogravimetric analysis, differential scanning calorimetry methods. The mechanical properties of PVC nanofiber mats, such as tensile strength, Young’s modulus, thermal degradation, and glass transition temperature were also analyzed. It was shown that, by increasing the collector’s rotation speed from 0 (flat plate collector) to 2500 rpm (drum collector), the average diameter of PVC nanofibers decreased from 313 ± 52 to 229 ± 47 nm. At the same time, it was observed that the mechanical properties of the resulting nanofiber mats were improved: tensile strength increased from 2.2 ± 0.2 MPa to 9.1 ± 0.3 MPa, Young’s modulus from 53 ± 14 to 308 ± 19 MPa. Thermogravimetric analysis measurements showed that there was no difference in the process of thermal degradation of nanofiber mats and PVC powders. On the other hand, the glass transition temperature of nanofiber mats and powders did show different values, such values were 77.5 °C and 83.2 °C, respectively. View Full-Text
Keywords: nanofiber; electrospinning; PVC; mechanical properties; the orientation of nanofibers; nonwoven mats nanofiber; electrospinning; PVC; mechanical properties; the orientation of nanofibers; nonwoven mats
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MDPI and ACS Style

Pham Le, Q.; Uspenskaya, M.V.; Olekhnovich, R.O.; Baranov, M.A. The Mechanical Properties of PVC Nanofiber Mats Obtained by Electrospinning. Fibers 2021, 9, 2. https://0-doi-org.brum.beds.ac.uk/10.3390/fib9010002

AMA Style

Pham Le Q, Uspenskaya MV, Olekhnovich RO, Baranov MA. The Mechanical Properties of PVC Nanofiber Mats Obtained by Electrospinning. Fibers. 2021; 9(1):2. https://0-doi-org.brum.beds.ac.uk/10.3390/fib9010002

Chicago/Turabian Style

Pham Le, Quoc, Mayya V. Uspenskaya, Roman O. Olekhnovich, and Mikhail A. Baranov. 2021. "The Mechanical Properties of PVC Nanofiber Mats Obtained by Electrospinning" Fibers 9, no. 1: 2. https://0-doi-org.brum.beds.ac.uk/10.3390/fib9010002

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