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Wood fiber composites with added multifunctionality
Luleå University of Technology, Sweden.
RISE - Research Institutes of Sweden (2017-2019), Materials and Production, SICOMP.ORCID iD: 0000-0003-3449-8233
RISE - Research Institutes of Sweden (2017-2019).
RISE - Research Institutes of Sweden (2017-2019). Luleå University of Technology, Sweden.
2018 (English)In: ECCM 2018 - 18th European Conference on Composite Materials, Applied Mechanics Laboratory , 2018Conference paper, Published paper (Refereed)
Abstract [en]

Graphene nanoplatelets (GNPs) are used to enhance the mechanical properties and functionality of wood plastic composite (WPC) targeting applications such as de-icing or anti-icing and fast thermal diffusivity. The GNPs are integrated into neat polymer using a masterbatch containing functionalized graphene by melt compounding through a twin-screw extruder without the use of any coupling agent or compatibilizer. The same manufacturing process (melt compounding) but with the use of compatibilizer is employed to produce WPC with nano-doped matrix. The effect of different GNP loadings (up to 15 wt.%) on morphology, crystallinity, mechanical and thermal conductivity of the nanocomposites and the WPCs was investigated. It was found that both strength and modulus of nanocomposites, in tension and bending, were increased with the addition of GNPs. With the aid of MAPE compatibilizer WPCs show higher flexural strength and modulus than neat polymer. GNP has marginal effect on the flexural stress but further increases flexural modulus of WPC. The preliminary results related to the thermal conductivity of studied materials indicate that the incorporation of GNP may be beneficial for faster and more uniform heat distribution in WPC. 

Place, publisher, year, edition, pages
Applied Mechanics Laboratory , 2018.
Keywords [en]
Graphene reinforced wood composite, Multifunctional composites, Thermal conductivity
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-43461Scopus ID: 2-s2.0-85077617614ISBN: 9781510896932 (print)OAI: oai:DiVA.org:ri-43461DiVA, id: diva2:1390086
Conference
18th European Conference on Composite Materials, ECCM 2018, 24 June 2018 through 28 June 2018
Note

Funding text 1: This study is financially supported by Interreg Nord project “Smart WPC” (funded by EU and Region Norrbotten). Authors would like to thank Runar Långström (Swerea SICOMP) for processing of materials and Astrid Lecouturier (EEIGM project student within T7009T course at LTU) for help with experiments.

Available from: 2020-01-31 Created: 2020-01-31 Last updated: 2020-01-31Bibliographically approved

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