Structural Changes and Their Implications in Foamed Flexible Polyurethane Composites Filled with Rapeseed Oil-Treated Ground Tire Rubber - Publikacja - MOST Wiedzy

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Structural Changes and Their Implications in Foamed Flexible Polyurethane Composites Filled with Rapeseed Oil-Treated Ground Tire Rubber

Abstrakt

The utilization of post-consumer car tires is an essential issue from an ecological andeconomic point of view. One of the simplest and the least harmful methods is their material recyclingresulting in ground tire rubber (GTR), which can be further applied as fillers for polymer-basedcomposites. Nevertheless, insufficient interfacial interactions implicate the necessity of GTR modi-fication before introduction into polymer matrices. In this study, we investigated the influence ofrapeseed oil-assisted thermo-mechanical treatment of GTR using a reactive extrusion process on theprocessing, structure, and performance of flexible polyurethane/GTR composite foams. Appliedmodifications affected the processing of polyurethane systems. They caused a noticeable reductionin the average cell size of foams, which was attributed to the potential nucleating activity of solidparticles and changes in surface tension caused by the presence of oil. Such an effect was especiallypronounced for the waste rapeseed oil, which resulted in the highest content of closed cells. Structuralchanges caused by GTR modification implicated the enhancement of foams’ strength. Mechanicalperformance was significantly affected by the applied modifications due to the changes in glasstransition temperature. Moreover, the incorporation of waste GTR particles into the polyurethanematrix noticeably improved its thermal stability.

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Licencja
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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Journal of Composites Science nr 5,
ISSN:
Język:
angielski
Rok wydania:
2021
Opis bibliograficzny:
Kosmela P., Olszewski A., Zedler Ł., Burger P., Formela K., Hejna A.: Structural Changes and Their Implications in Foamed Flexible Polyurethane Composites Filled with Rapeseed Oil-Treated Ground Tire Rubber// Journal of Composites Science -Vol. 5,iss. 3 (2021), s.90-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/jcs5030090
Źródła finansowania:
Weryfikacja:
Politechnika Gdańska

wyświetlono 44 razy

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