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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/14295

Title: Towards high-performance biopackaging: barrier and mechanical properties of dual-action polycaprolactone/zinc oxide nanocomposites
Authors: ELEN, Ken
Murariu, M.
Peeters, R.
Dubois, Ph
VAN BAEL, Marlies
Issue Date: 2012
Citation: POLYMERS FOR ADVANCED TECHNOLOGIES, 23 (10), p. 1422-1428
Abstract: The properties of nanocomposites of biodegradable polycaprolactone containing zinc oxide (ZnO) nanoparticles with diverse morphologies, that is, ZnO nanospheres, nanorods, and nanodisks are investigated. It is demonstrated for the first time that the dual action of the ZnO nanoparticles reduces the gas permeability of the nanocomposites via two mechanisms: first by the creation of a tortuous path and second by gas adsorption. Depending on the morphology of the particles, the oxygen permeability can be reduced by more than 60%. Tensile tests show that the nanocomposites remain very ductile. The nominal strain for all nanocomposites is higher than 500% before fracture occurs. The Young's modulus and tensile strength of the nanocomposites increase at higher ZnO concentrations. This behavior is more pronounced in the case of ZnO nanorods. As a result, the incorporation of ZnO nanoparticles into (bio)polymers provides an opportunity to manufacture polymer-based nanocomposite materials, resulting in the production of high-performance (bio)packaging. Copyright (C) 2011 John Wiley & Sons, Ltd.
Notes: [Elen, K.; Mullens, J.; Hardy, A.; Van Bael, M. K.] Hasselt Univ, Inst Mat Res IMO Inorgan & Phys Chem, B-3590 Diepenbeek, Belgium. [Elen, K.; Peeters, R.] Verpakkingsctr, XIOS Hgsk Limburg, B-3590 Diepenbeek, Belgium. [Elen, K.; Hardy, A.; Van Bael, M. K.] IMEC VZW, Div IMOMEC, B-3590 Diepenbeek, Belgium. [Murariu, M.; Dubois, Ph] Univ Mons, Materia Nova Res Ctr, Ctr Innovat & Res Mat & Polymers CIRMAP, B-7000 Mons, Belgium. marlies.vanbael@uhasselt.be
URI: http://hdl.handle.net/1942/14295
DOI: 10.1002/pat.2062
ISI #: 000308876500012
ISSN: 1042-7147
Category: A1
Type: Journal Contribution
Validation: ecoom, 2013
Appears in Collections: Research publications

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