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Open AccessArticle

Plasma Nanocoatings Developed to Control the Shear Strength of Polymer Composites

1
Institute of Materials Chemistry, Faculty of Chemistry, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic
2
Department of Microelectronics, Faculty of Electrical Engineering and Computer Science, Brno University of Technology, Technicka 3058/10, 616 00 Brno, Czech Republic
*
Author to whom correspondence should be addressed.
Polymers 2019, 11(7), 1188; https://doi.org/10.3390/polym11071188
Received: 14 June 2019 / Revised: 2 July 2019 / Accepted: 12 July 2019 / Published: 15 July 2019
(This article belongs to the Special Issue Polymer Matrix Composites for Advanced Applications)
All reinforcements for polymer-matrix composites must be coated with a suitable material in the form of a thin film to improve compatibility and interfacial adhesion between the reinforcement and the polymer matrix. In this study, plasma nanotechnology was used to synthetize such functional nanocoatings using pure tetravinylsilane (TVS) and its mixtures with oxygen gas (O2) as precursors. The plasma-coated glass fibers (GFs) were unidirectionally embedded in a polyester resin to produce short composite beams that were analyzed by a short-beam-shear test to determine the shear strength characterizing the functionality of the nanocoatings in a GF/polyester composite. The developed plasma nanocoatings allowed controlling the shear strength between 26.2–44.1 MPa depending on deposition conditions, i.e., the radiofrequency (RF) power and the oxygen fraction in the TVS/O2 mixture. This range of shear strength appears to be sufficiently broad to be used in the design of composites. View Full-Text
Keywords: plasma nanocoatings; glass fibers; polymer-matrix composites; interface/interphase; shear strength; adhesion plasma nanocoatings; glass fibers; polymer-matrix composites; interface/interphase; shear strength; adhesion
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MDPI and ACS Style

Zvonek, M.; Sirjovova, V.; Branecky, M.; Plichta, T.; Skacel, J.; Cech, V. Plasma Nanocoatings Developed to Control the Shear Strength of Polymer Composites. Polymers 2019, 11, 1188. https://doi.org/10.3390/polym11071188

AMA Style

Zvonek M, Sirjovova V, Branecky M, Plichta T, Skacel J, Cech V. Plasma Nanocoatings Developed to Control the Shear Strength of Polymer Composites. Polymers. 2019; 11(7):1188. https://doi.org/10.3390/polym11071188

Chicago/Turabian Style

Zvonek, Milan; Sirjovova, Veronika; Branecky, Martin; Plichta, Tomas; Skacel, Josef; Cech, Vladimir. 2019. "Plasma Nanocoatings Developed to Control the Shear Strength of Polymer Composites" Polymers 11, no. 7: 1188. https://doi.org/10.3390/polym11071188

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