The impact of filler thermomechanical modifications on static and dynamic mechanical performance of flexible foamed polyurethane/ground tire rubber/zinc borate composites

• Autorzy: Hejna Aleksander , Kosmela Paulina , Olszewski Adam , Formela Krzysztof , Zedler Łukasz , Piasecki Adam , Skórczewska Katarzyna
• Języki publikacji: EN

Abstrakty

EN

The rapid development of the automotive industry is very beneficial to many aspects of human life, but it is also a very significant environmental burden. The most straightforward impact is related to the generation of exhaust, but the management of post-consumer car parts is also a major challenge. Among them, waste tires are very burdensome due to their enormous numbers. Therefore, it is essential to develop novel, environmentally friendly methods for their disposal, which would reduce their environmental impacts. One of the most promising approaches is shredding, resulting in the generation of ground tire rubber (GTR), which can be introduced into polymeric materials as a filler. The presented work is related to the thermomechanical treatment of GTR in a twin-screw extruder assisted by zinc borate (ZB), whose incorporation is aimed to increase interparticle friction within the extruder barrel. The impact of the treatment conditions on the particle size and Surface development of the GTR/ZB compositions was evaluated. Modified GTR was introduced into flexible polyurethane (PU) foams, and the impact on the static and dynamic mechanical performance of the resulting composites was investigated. Increasing the treatment temperature occurred to have an adverse effect on the tensile performance of the composites due to the agglomeration of GTR particles limiting the efficiency of stress transfer, which was also confirmed by dynamic mechanical analysis. On the other hand, increasing the ZB share in the GTR/ZB compositions limited PU disruptions related to the reactivity of the GTR functional groups with isocyanates, which enhanced the mechanical performance of the composites. It was proven that the proposed method of GTR thermomechanical treatment assisted by ZB might benefit the performance of flexible PU foamed composites, which could broaden the application range of GTR and provide novel ways for its efficient utilization.

Słowa kluczowe

EN

ground tire rubber; polyurethane foams; filler modification; zinc borate; composites; recycling

PL

szlifowana guma oponowa; pianki poliuretanowe; modyfikacja napełniacza; boran cynku; kompozyty; recykling

• Wydawca: Polskie Towarzystwo Materiałów Kompozytowych
• Czasopismo: Composites Theory and Practice
• Rocznik: 2023
• Tom: R. 23, nr 2
• Strony: 76--83
• Opis fizyczny: Bibliogr. 38 poz., rys., tab.

Twórcy

autor

Hejna Aleksander

• Poznan University of Technology, Institute of Materials Technology, ul. Piotrowo 3, 60-965 Poznan, Poland
• Gdansk University of Technology, Department of Polymer Technology, ul. G. Narutowicza 11/12, 80-233 Gdansk, Poland

autor

Kosmela Paulina

• Gdansk University of Technology, Department of Polymer Technology, ul. G. Narutowicza 11/12, 80-233 Gdansk, Poland

autor

Olszewski Adam

• Gdansk University of Technology, Department of Polymer Technology, ul. G. Narutowicza 11/12, 80-233 Gdansk, Poland

autor

Formela Krzysztof

• Gdansk University of Technology, Department of Polymer Technology, ul. G. Narutowicza 11/12, 80-233 Gdansk, Poland

autor

Zedler Łukasz

• Gdansk University of Technology, Department of Molecular Biotechnology and Microbiology, ul. G. Narutowicza 11/12, 80-233 Gdansk, Poland

autor

Piasecki Adam

• Poznan University of Technology, Institute of Materials Engineering, ul. Jana Pawła II 24, 60-965 Poznan, Poland

autor

Skórczewska Katarzyna

• Bydgoszcz University of Science and Technology, Department of Polymer Technology, ul. S. Kaliskiego 7, 85-326 Bydgoszcz, Poland

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).