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The effect of the use of construction and demolition waste on the mechanical and moisture properties of a wood-plastic composite

Hyvärinen, Marko; Ronkanen, Mikko; Kärki, Timo (2018-11-22)

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hyvarinen_ronkanen_karki_the_effect_of_the_use_of_construction_final_draft.pdf (312.6Kb)
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Post-print / Final draft

Hyvärinen, Marko
Ronkanen, Mikko
Kärki, Timo
22.11.2018

Composite Structures

210

321-326

Elsevier

School of Energy Systems

https://doi.org/10.1016/j.compstruct.2018.11.063
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Julkaisun pysyvä osoite on
http://urn.fi/URN:NBN:fi-fe2018121150419

Tiivistelmä

Recycling of construction and demolition waste (CDW) which contains materials with high resource value such as plastics, metals, wood, glass and concrete has been investigated in recent years due to tightening environmental legislation. Wood-plastic composites as an environmentally friendly material provide a possibility to enhance the recycling of material. The effect of the addition of CDW on the mechanical and moisture properties of WPC is studied in this paper. Three types of wood-plastic composites were manufactured with different amounts and composition of a CDW filler. Their properties were compared to the reference composite manufactured with virgin wood fibers and polypropylene as the polymer. It was found that the addition of the CDW filler weakened the mechanical properties of the composite generally, except for the fact that the Charpy impact strength was improved significantly. Minor variations in the composition of the CDW filler did not have an impact on the mechanical properties, but an increase in the amount of filler increased the deterioration of mechanical properties. For moisture properties, the addition of the CDW filler decreased the water absorption and thickness swelling of the composites. An increase in the filler content improved the thickness swelling more significantly than water absorption.

Lähdeviite

Hyvärinen, M., Ronkanen, M., Kärki, T. (2018). The effect of the use of construction and demolition waste on the mechanical and moisture properties of a wood-plastic composite. Composite Structures, vol. 210, pp. 321-326. DOI: 10.1016/j.compstruct.2018.11.063

Alkuperäinen verkko-osoite

https://www.sciencedirect.com/science/article/pii/S026382231831242X?via%3Dihub
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