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Volume 14
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10.3390/ma14051122
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Article

Synthesis, Characterization and Testing of Antimicrobial Activity of Composites of Unsaturated Polyester Resins with Wood Flour and Silver Nanoparticles

by
Przemysław Pączkowski
1,*,
Andrzej Puszka
1,
Malgorzata Miazga-Karska
2,
Grażyna Ginalska
2 and
Barbara Gawdzik
1
1
Department of Polymer Chemistry, Faculty of Chemistry, Institute of Chemical Sciences, Maria Curie-Sklodowska University in Lublin, Gliniana 33, 20-614 Lublin, Poland
2
Chair and Department of Biochemistry and Biotechnology, Faculty of Pharmacy, Medical University of Lublin, Chodzki 1, 20-093 Lublin, Poland
*
Author to whom correspondence should be addressed.
Materials 2021, 14(5), 1122; https://doi.org/10.3390/ma14051122
Submission received: 3 February 2021 / Revised: 19 February 2021 / Accepted: 24 February 2021 / Published: 27 February 2021
(This article belongs to the Special Issue Environmentally Friendly Polymeric Blends from Renewable Sources)
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Abstract

This paper presents the properties of the wood-resin composites. For improving their antibacterial character, silver nanoparticles were incorporated into their structures. The properties of the obtained materials were analyzed in vitro for their anti-biofilm potency in contact with aerobic Gram-positive Staphylococcus aureus and Staphylococcus epidermidis; and aerobic Gram-negative Escherichia coli and Pseudomonas aeruginosa. These pathogens are responsible for various infections, including those associated with healthcare. The effect of silver nanoparticles incorporation on mechanical and thermomechanical properties as well as gloss were investigated for the samples of composites before and after accelerating aging tests. The results show that bacteria can colonize in various wrinkles and cracks on the composites with wood flour but also the surface of the cross-linked unsaturated polyester resin. The addition of nanosilver causes the death of bacteria. It also positively influences mechanical and thermomechanical properties as well as gloss of the resin.
Keywords: antibacterial activity; wood–resin composites; unsaturated polyester resin; recycled PET; wood flour; renewable resources; silver nanoparticles antibacterial activity; wood–resin composites; unsaturated polyester resin; recycled PET; wood flour; renewable resources; silver nanoparticles

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MDPI and ACS Style

Pączkowski, P.; Puszka, A.; Miazga-Karska, M.; Ginalska, G.; Gawdzik, B. Synthesis, Characterization and Testing of Antimicrobial Activity of Composites of Unsaturated Polyester Resins with Wood Flour and Silver Nanoparticles. Materials 2021, 14, 1122. https://doi.org/10.3390/ma14051122

AMA Style

Pączkowski P, Puszka A, Miazga-Karska M, Ginalska G, Gawdzik B. Synthesis, Characterization and Testing of Antimicrobial Activity of Composites of Unsaturated Polyester Resins with Wood Flour and Silver Nanoparticles. Materials. 2021; 14(5):1122. https://doi.org/10.3390/ma14051122

Chicago/Turabian Style

Pączkowski, Przemysław, Andrzej Puszka, Malgorzata Miazga-Karska, Grażyna Ginalska, and Barbara Gawdzik. 2021. "Synthesis, Characterization and Testing of Antimicrobial Activity of Composites of Unsaturated Polyester Resins with Wood Flour and Silver Nanoparticles" Materials 14, no. 5: 1122. https://doi.org/10.3390/ma14051122

APA Style

Pączkowski, P., Puszka, A., Miazga-Karska, M., Ginalska, G., & Gawdzik, B. (2021). Synthesis, Characterization and Testing of Antimicrobial Activity of Composites of Unsaturated Polyester Resins with Wood Flour and Silver Nanoparticles. Materials, 14(5), 1122. https://doi.org/10.3390/ma14051122

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