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Interaction between wood and synthetic polymers
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0003-4762-2854
Luleå tekniska universitet.
1995 (English)In: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 49, no 3, p. 249-254Article in journal (Refereed) Published
Abstract [en]

The properties of wood composites consisting of low density polyethylene (LDPE) and wood flour (WF) were studied. In an attempt to improve the interfacial adhesion between hydrophobic LDPE matrix and the hydrophilic WF filler, a styrene-butadiene-styrene (SBS) copolymer was added as a compatibilizer. The interaction between LDPE and wood was investigated for PE/WF- and PE/WF/SBS-composites. The experimental measurements were conducted by conventional mechanical testing and Scanning Electron Microscopy (SEM). The interaction between polystyrene and wood in PS/WF composites was also studied by SEM and by Dynamic Mechanical Thermal Analysis (DMTA). PE/WF/SBS composites showed higher maximum tensile stress and strain at failure than the composites without SBS. SEM fractography confirmed better adhesion between the PE matrix and wood particles when SBS was present. DMTA measurements confirmed molecular interaction between PS and wood, the glass transition (Tg) peak of PS moved towards the Tg peak of cellulose

Place, publisher, year, edition, pages
1995. Vol. 49, no 3, p. 249-254
National Category
Bio Materials
Research subject
Wood and Bionanocomposites
Identifiers
URN: urn:nbn:se:ltu:diva-4814DOI: 10.1515/hfsg.1995.49.3.249ISI: A1995RA90300010Local ID: 2ce80750-8fb1-11dd-b1e5-000ea68e967bOAI: oai:DiVA.org:ltu-4814DiVA, id: diva2:977688
Note
Godkänd; 1995; 20081001 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Oksman, Kristiina

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