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The nature and location of SEBS-MA compatibilizer in polyethylene-wood flour composites
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0003-4762-2854
Luleå tekniska universitet.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.ORCID iD: 0000-0001-9794-8305
1998 (English)In: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 69, no 1, p. 201-209Article in journal (Refereed) Published
Abstract [en]

A maleic-anhydride-grafted styrene-ethylene - butylene-styrene (SEBS-MA) triblock copolymer has been used as a compatibilizer in low-density polyethylene-wood flour (LDPE-WF) composite system. The location of compatibilizer was studied using transmission electron microscopy (TEM). The unsaturated parts of the copolymer were stained with osmium tetraoxide (OsO4) to enhance contrast between the different phases. TEM micrographs indicated that part of the compatibilizer was located at the interface between the wood particles and PE matrix and that wood was also stained by the OsO4. The nature of the interface between the wood surface and the SEBS-MA was studied using Fourier transform infrared spectroscopy (FTIR). The results indicated that MA reacts with wood through esterification and hydrogen bonding and also possibly through interaction between the styrene and wood.

Place, publisher, year, edition, pages
1998. Vol. 69, no 1, p. 201-209
National Category
Bio Materials Physical Chemistry
Research subject
Wood and Bionanocomposites; Physical Chemistry
Identifiers
URN: urn:nbn:se:ltu:diva-15822Local ID: f6109a30-0aaf-11dc-9854-000ea68e967bOAI: oai:DiVA.org:ltu-15822DiVA, id: diva2:988797
Note
Godkänd; 1998; 20070525 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-04-05Bibliographically approved

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Oksman, KristiinaHolmgren, Allan

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