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Abstrakt
Application of lignocellulosic fillers in the manufacturing of wood polymer composites (WPCs) is a very popular trend of research, however it is still rarely observed in the case of rotational molding. The present study aimed to analyze the impact of wheat bran content (from 2.5 wt.% to 20 wt.%) on the performance of rotationally-molded composites based on a linear low-density polyethylene (LLDPE) matrix. Microscopic structure (scanning electron microscopy), as well as physico-mechanical (density, porosity, tensile performance, hardness, rebound resilience, dynamic mechanical analysis), rheological (oscillatory rheometry) and thermo-mechanical (Vicat softening temperature) properties of composites were investigated. Incorporation of 2.5 wt.% and 5 wt.% of wheat bran did not cause significant deterioration of the mechanical performance of the material, despite the presence of ‘pin-holes’ at the surface. Values of tensile strength and rebound resilience were maintained at a very similar level, while hardness was slightly decreased, which was associated with the porosity of the structure. Higher loadings resulted in the deterioration of mechanical performance, which was also expressed by the noticeable rise of the adhesion factor. For lower loadings of filler did not affect the rheological properties. However, composites with 10wt.% and 20 wt.% also showed behavior suitable for rotational molding. The presented results indicate that the manufacturing of thin-walled products based on wood polymer composites via rotational molding should be considered a very interesting direction of research.
Cytowania
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5 4
CrossRef
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0
Web of Science
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5 5
Scopus
Autorzy (7)
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Mateusz Barczewski
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Jacek Andrzejewski dr inż.
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Adam Piasecki
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Marek Szostak
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Tairong Kuang
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Pełna treść
- Wersja publikacji
- Accepted albo Published Version
- Licencja
-
otwiera się w nowej karcie
Słowa kluczowe
Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
-
Polymers
nr 12,
ISSN: 2073-4360 - Język:
- angielski
- Rok wydania:
- 2020
- Opis bibliograficzny:
- Hejna A., Barczewski M., Andrzejewski J., Kosmela P., Piasecki A., Szostak M., Kuang T.: Rotational Molding of Linear Low-Density Polyethylene Composites Filled with Wheat Bran// Polymers -Vol. 12,iss. 5 (2020), s.1004-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/polym12051004
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 129 razy
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