Biodegradable polymer composites based on polylactide used in selected 3D technologies

Katarzyna Bulanda; Mariusz Oleksy; Rafał Oliwa; Grzegorz Budzik; Małgorzata Gontarz

doi:10.14314/polimery.2020.7.8

Published : 2020-12-16

Vol. 65 No. 7-8 (2020)

Biodegradable polymer composites based on polylactide used in selected 3D technologies

Katarzyna Bulanda Mariusz Oleksy Rafał Oliwa Grzegorz Budzik Małgorzata Gontarz

DOI: https://doi.org/10.14314/polimery.2020.7.8

Abstract

As part of the work, new polymer materials were used in 3D printing, which can be used in three technologies depending on the apparatus used: Fused Filament Fabrication (FFF), Melted and Extruded Manufacturing (MEM), Melt Extrusion Polymers (MEP). As part of the work, the properties of obtained polymer composites were examined. Polylactide (PLA) was used as the matrix, and powdered natural ground fillers were used as fillers: bamboo dust (PB), cork dust (PK) and wood dust (PD). In the first part of the work, filaments were received from the tested composites using the filament preparation line made by METACHEM in Torun for use in 3D printers. Samples for mechanical tests were obtained from the filaments thus received by means of an MEP printer and after granulation by injection molding. In the next part of the work, rheological, mechanical and structural properties of obtained composites were examined. It was found that the addition of natural fillers increased the fluidity of the obtained polymeric materials in the case of composite with addition of PK even by 48.73% compared to unfilled PLA. It was also observed that the composites obtained had lower Charpy impact strength, Rockwell hardness and tensile strength. Observation of the microstructure of the composites using SEM confirmed the even distribution of natural fillers in the polymer matrix, which proves well-chosen parameters of their homogenization in the polymer matrix.

Keywords

3D printing ; MEP ; FFF ; MEM ; polymer composites ; natural fillers ; processing of polymer materials druk 3D ; MEP ; FFF ; MEM ; kompozyty polimerowe ; napełniacze naturalne ; przetwórstwo tworzyw polimerowych

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Bulanda, K., Oleksy, M., Oliwa, R., Budzik, G., & Gontarz, M. (2020). Biodegradable polymer composites based on polylactide used in selected 3D technologies. Polimery, 65(7-8), 557–562. https://doi.org/10.14314/polimery.2020.7.8

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Katarzyna Bulanda k.bulanda@prz.edu.pl

Affiliation
Rzeszow University of Technology, Department of Polymer Composites, al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland.

Mariusz Oleksy

Affiliation
Rzeszow University of Technology, Department of Polymer Composites, al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland.

Rafał Oliwa

Affiliation
Rzeszow University of Technology, Department of Polymer Composites, al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland.

Grzegorz Budzik

Affiliation
Rzeszow University of Technology, Department of Mechanical Engineering, al. Powstańców Warszawy 8, 35-959 Rzeszów, Poland

Małgorzata Gontarz

Affiliation
Rzeszow University of Technology, Department of Mechanical Engineering, al. Powstańców Warszawy 8, 35-959 Rzeszów, Poland