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Evaluation of the Oil-Rich Waste Fillers’ Influence on the Tribological Properties of Polylactide-Based Composites

1
Institute of Materials Technology, Faculty of Mechanical Engineering, Poznan University of Technology, Piotrowo 3, 61-139 Poznan, Poland
2
Łukasiewicz Research Network—Metal Forming Institute, Jana Pawla II 14, 61-139 Poznan, Poland
3
Institute of Materials Science and Engineering, Faculty of Materials Engineering and Technical Physics, Poznan University of Technology, pl. M. Skłodowskiej-Curie 5, 60-965 Poznan, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Klaus Werner Stöckelhuber
Materials 2022, 15(3), 1237; https://doi.org/10.3390/ma15031237
Received: 13 January 2022 / Revised: 1 February 2022 / Accepted: 4 February 2022 / Published: 7 February 2022
(This article belongs to the Special Issue Waste-Based Polymer Composites)
In recent years, natural-based polymeric composites have gained the attention of researchers and the industry due to their low environmental impact and good applicational properties. A promising example of these materials is polylactide-based composites filled with linseed cake. Even though they can be characterized by reduced brittleness and enhanced crystallization rate, their applicational potential cannot be fully evaluated without knowing their tribological properties. This paper is aimed to analyze the influence of the oil contained by the filler on the mechanical and frictional properties of polylactide-based composites. Specimens of unfilled polylactide and its composites containing 10 wt % of linseed cake with different oil content were prepared by injection molding. Their microhardness was measured by the Vickers method. The softening temperature was determined by the Vicat method. The scratch resistance of the samples was tested with the loading of 10, 20 and 40 N. The coefficient of friction was evaluated by the pin-on-plate method, using CoCrMo alloy as the counter surface. It was found that the oil content in the filler does not directly influence the mechanical and tribological properties, but the composite samples present comparable hardness and lower coefficient of friction than the unfilled polymer, so they can be a good eco-friendly alternative to the unfilled polylactide when the frictional properties are an important factor. View Full-Text
Keywords: polylactide; composite; tribology; waste filler; linseed oil polylactide; composite; tribology; waste filler; linseed oil
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MDPI and ACS Style

Mysiukiewicz, O.; Sulej-Chojnacka, J.; Kotkowiak, M.; Wiśniewski, T.; Piasecki, A.; Barczewski, M. Evaluation of the Oil-Rich Waste Fillers’ Influence on the Tribological Properties of Polylactide-Based Composites. Materials 2022, 15, 1237. https://doi.org/10.3390/ma15031237

AMA Style

Mysiukiewicz O, Sulej-Chojnacka J, Kotkowiak M, Wiśniewski T, Piasecki A, Barczewski M. Evaluation of the Oil-Rich Waste Fillers’ Influence on the Tribological Properties of Polylactide-Based Composites. Materials. 2022; 15(3):1237. https://doi.org/10.3390/ma15031237

Chicago/Turabian Style

Mysiukiewicz, Olga, Joanna Sulej-Chojnacka, Mateusz Kotkowiak, Tomasz Wiśniewski, Adam Piasecki, and Mateusz Barczewski. 2022. "Evaluation of the Oil-Rich Waste Fillers’ Influence on the Tribological Properties of Polylactide-Based Composites" Materials 15, no. 3: 1237. https://doi.org/10.3390/ma15031237

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