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The use of silane technology in crosslinking polyethylene/wood flour composites
Norwegian University of Science and Technology (NTNU), Trondheim.
2006 (engelsk)Inngår i: Composites. Part A, Applied science and manufacturing, ISSN 1359-835X, E-ISSN 1878-5840, Vol. 37, nr 5, s. 752-765Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In this study, the use of silane technology in crosslinking polyethylene-wood flour composites have been investigated. Composites were produced in a one-step process using a co-rotating twin-screw extruder. The composites were stored in a sauna and at room temperature to study the effect of humidity on the degree of crosslinking. Crosslinked composites showed improved toughness and creep properties compared to non-crosslinked composites. The flexural modulus, on the other hand, was lower in the crosslinked samples than in the non-crosslinked ones. FTIR was used to study the crosslinking reaction in the samples. X-ray mapping of the silicon signal was also performed to locate the silane in the composites. This study provides a basis for proposing, that part of the silane is grafted onto polyethylene and wood thereby creating a crosslinked network in the matrix with chemical bonds (covalent and hydrogen bonding) to wood. The other part of the silane remains un-reacted and blends into the system.

sted, utgiver, år, opplag, sider
2006. Vol. 37, nr 5, s. 752-765
HSV kategori
Forskningsprogram
Trä och bionanokompositer
Identifikatorer
URN: urn:nbn:se:ltu:diva-8465DOI: 10.1016/j.compositesa.2005.06.014Lokal ID: 6fa44430-944a-11dd-a897-000ea68e967bOAI: oai:DiVA.org:ltu-8465DiVA, id: diva2:981403
Merknad
Upprättat; 2006; 20081007 (cira)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2017-11-24bibliografisk kontrollert

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