Investigation of Physical Properties of Polymer Composites Filled with Sheep Wool

Vasina, Martin; Straznicky, Premysl; Hrbacek, Pavel; Rusnakova, Sona; Bosak, Ondrej; Kubliha, Marian

doi:10.3390/polym16050690

Open AccessArticle

Investigation of Physical Properties of Polymer Composites Filled with Sheep Wool

by

Martin Vasina

^1,2,*

,

Premysl Straznicky

¹,

Pavel Hrbacek

¹,

Sona Rusnakova

¹

,

Ondrej Bosak

³

and

Marian Kubliha

³

¹

Faculty of Technology, Tomas Bata University in Zlin, Vavreckova 5669, 760 01 Zlin, Czech Republic

²

Department of Machining, Assembly and Engineering Metrology, Faculty of Mechanical Engineering, VŠB-Technical University of Ostrava, 17. listopadu 2172/15, Poruba, 708 00 Ostrava, Czech Republic

³

Faculty of Materials Science and Technology, Slovak University of Technology, Bottova 25, 917 24 Trnava, Slovakia

^*

Author to whom correspondence should be addressed.

Polymers 2024, 16(5), 690; https://doi.org/10.3390/polym16050690

Submission received: 8 February 2024 / Revised: 27 February 2024 / Accepted: 29 February 2024 / Published: 2 March 2024

(This article belongs to the Special Issue Advances in the Processing and Application of Polymers and Their Composites III)

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Abstract

Sheep farmers are currently facing an oversupply of wool and a lack of willing buyers. Due to low prices, sheep wool is often either dumped, burned, or sent to landfills, which are unsustainable and environmentally unfriendly practices. One potential solution is the utilization of sheep wool fibers in polymer composites. This paper focuses on the study of mechanical vibration damping properties, sound absorption, light transmission, electrical conductivity of epoxy (EP), polyurethane (PU), and polyester (PES) resins, each filled with three different concentrations of sheep wool (i.e., 0%, 3%, and 5% by weight). It can be concluded that the sheep wool content in the polymer composites significantly influenced their physical properties. The impact of light transmission through the tested sheep wool fiber-filled polymer composites on the quality of daylight in a reference room was also mathematically simulated using Wdls 5.0 software.

Keywords: sheep wool; polymer composites; mechanical vibration; sound absorption; electrical conductivity; light transmission; Wdls 5.0 software

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MDPI and ACS Style

Vasina, M.; Straznicky, P.; Hrbacek, P.; Rusnakova, S.; Bosak, O.; Kubliha, M. Investigation of Physical Properties of Polymer Composites Filled with Sheep Wool. Polymers 2024, 16, 690. https://doi.org/10.3390/polym16050690

AMA Style

Vasina M, Straznicky P, Hrbacek P, Rusnakova S, Bosak O, Kubliha M. Investigation of Physical Properties of Polymer Composites Filled with Sheep Wool. Polymers. 2024; 16(5):690. https://doi.org/10.3390/polym16050690

Chicago/Turabian Style

Vasina, Martin, Premysl Straznicky, Pavel Hrbacek, Sona Rusnakova, Ondrej Bosak, and Marian Kubliha. 2024. "Investigation of Physical Properties of Polymer Composites Filled with Sheep Wool" Polymers 16, no. 5: 690. https://doi.org/10.3390/polym16050690

APA Style

Vasina, M., Straznicky, P., Hrbacek, P., Rusnakova, S., Bosak, O., & Kubliha, M. (2024). Investigation of Physical Properties of Polymer Composites Filled with Sheep Wool. Polymers, 16(5), 690. https://doi.org/10.3390/polym16050690

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

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