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Polymers
Volume 15
Issue 16
10.3390/polym15163331
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Communication

Shear Strength Range of GF/Polyester Composites Controlled by Plasma Nanotechnology

by
Veronika Sirjovova
,
Milan Zvonek
,
Michal Jurko
and
Vladimir Cech
*
Institute of Materials Chemistry, Faculty of Chemistry, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic
*
Author to whom correspondence should be addressed.
Polymers 2023, 15(16), 3331; https://doi.org/10.3390/polym15163331
Submission received: 17 July 2023 / Revised: 3 August 2023 / Accepted: 7 August 2023 / Published: 8 August 2023
(This article belongs to the Special Issue Fiber and Polymer Composites: Processing, Simulation, Properties and Applications II)
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Abstract

Unsized single-end rovings are oxygen plasma pretreated and organosilicon plasma coated using plasma nanotechnology to optimize the interphase in glass-fiber-reinforced polyester composites and to determine the achievable range of their shear strength for potential applications. This surface modification of the fibers allows us to vary the shear strength of the composite in the range of 23.1 to 45.2 MPa at reduced financial costs of the process, while the commercial sizing corresponds to 39.2 MPa. The shear strength variability is controlled by the adhesion of the interlayer (plasma nanocoating) due to the variable density of chemical bonds at the interlayer/glass interface. The optimized technological conditions can be used for continuous surface modification of rovings in commercial online fiber-processing systems.
Keywords: glass fibers; polymer-matrix composites; shear strength; plasma nanotechnology glass fibers; polymer-matrix composites; shear strength; plasma nanotechnology
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MDPI and ACS Style

Sirjovova, V.; Zvonek, M.; Jurko, M.; Cech, V. Shear Strength Range of GF/Polyester Composites Controlled by Plasma Nanotechnology. Polymers 2023, 15, 3331. https://doi.org/10.3390/polym15163331

AMA Style

Sirjovova V, Zvonek M, Jurko M, Cech V. Shear Strength Range of GF/Polyester Composites Controlled by Plasma Nanotechnology. Polymers. 2023; 15(16):3331. https://doi.org/10.3390/polym15163331

Chicago/Turabian Style

Sirjovova, Veronika, Milan Zvonek, Michal Jurko, and Vladimir Cech. 2023. "Shear Strength Range of GF/Polyester Composites Controlled by Plasma Nanotechnology" Polymers 15, no. 16: 3331. https://doi.org/10.3390/polym15163331

APA Style

Sirjovova, V., Zvonek, M., Jurko, M., & Cech, V. (2023). Shear Strength Range of GF/Polyester Composites Controlled by Plasma Nanotechnology. Polymers, 15(16), 3331. https://doi.org/10.3390/polym15163331

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