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Polymers
Volume 16
Issue 10
10.3390/polym16101424
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Article

The Air Permeability and the Porosity of Polymer Materials Based on 3D-Printed Hybrid Non-Woven Needle-Punched Fabrics

by
Victor Nazarov
,
Alexander Dedov
,
Fedor Doronin
*,
Mikhail Savel’ev
,
Andrey Evdokimov
and
Georgy Rytikov
Faculty of Printing Industry, Moscow Polytechnic University, 107023 Moscow, Russia
*
Author to whom correspondence should be addressed.
Polymers 2024, 16(10), 1424; https://doi.org/10.3390/polym16101424
Submission received: 26 March 2024 / Revised: 12 May 2024 / Accepted: 15 May 2024 / Published: 17 May 2024
(This article belongs to the Special Issue Functional Hybrid Polymeric Composites)
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Abstract

The possibility of controlling the porosity and, as a result, the permeability of fibrous non-woven fabrics was studied. Modification of experimental samples was performed on equipment with adjustable heating and compression. It was found that the modification regimes affected the formation of the porous structure. We found that there was a relationship between the permeability coefficient and the porosity coefficient of the materials when the modification speed and temperature were varied. A model is proposed for predicting the permeability for modified material with a given porosity. As the result, a new hybrid composite material with reversible dynamic color characteristics that changed under the influence of ultraviolet and/or thermal exposure was produced. The developed technology consists of: manufacture of the non-woven needle-punched fabrics, surface structuring, material extrusion, additive manufacturing (FFF technology) and the stencil technique of ink-layer adding. In our investigation, we (a) obtained fibrous polymer materials with a porosity gradient in thickness, (b) determined the dependence of the material’s porosity coefficient on the speed and temperature of the modification and (c) developed a model for calculating the porosity coefficient of the materials with specified technological parameters.
Keywords: additive manufacturing; material extrusion screen printing; non-woven polymer fabric; bicomponent fiber; modification; air permeability; porosity additive manufacturing; material extrusion screen printing; non-woven polymer fabric; bicomponent fiber; modification; air permeability; porosity

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MDPI and ACS Style

Nazarov, V.; Dedov, A.; Doronin, F.; Savel’ev, M.; Evdokimov, A.; Rytikov, G. The Air Permeability and the Porosity of Polymer Materials Based on 3D-Printed Hybrid Non-Woven Needle-Punched Fabrics. Polymers 2024, 16, 1424. https://doi.org/10.3390/polym16101424

AMA Style

Nazarov V, Dedov A, Doronin F, Savel’ev M, Evdokimov A, Rytikov G. The Air Permeability and the Porosity of Polymer Materials Based on 3D-Printed Hybrid Non-Woven Needle-Punched Fabrics. Polymers. 2024; 16(10):1424. https://doi.org/10.3390/polym16101424

Chicago/Turabian Style

Nazarov, Victor, Alexander Dedov, Fedor Doronin, Mikhail Savel’ev, Andrey Evdokimov, and Georgy Rytikov. 2024. "The Air Permeability and the Porosity of Polymer Materials Based on 3D-Printed Hybrid Non-Woven Needle-Punched Fabrics" Polymers 16, no. 10: 1424. https://doi.org/10.3390/polym16101424

APA Style

Nazarov, V., Dedov, A., Doronin, F., Savel’ev, M., Evdokimov, A., & Rytikov, G. (2024). The Air Permeability and the Porosity of Polymer Materials Based on 3D-Printed Hybrid Non-Woven Needle-Punched Fabrics. Polymers, 16(10), 1424. https://doi.org/10.3390/polym16101424

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