Optimizing properties of polypropylene and elastomer compounds containing wood flour

Pavel Spiridonov (), Jan Budin (), Stephen Clarke () and Jani Matisons ()
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Pavel Spiridonov: University of South Australia
Jan Budin: Institute of Chemical Technology
Stephen Clarke: Ian Wark Research Institute, University of South Australia
Jani Matisons: Ian Wark Research Institute, University of South Australia

Chapter Chapter 18 in Optimization, 2009, pp 343-354 from Springer

Abstract: Abstract Despite the fact that wood flour has been known as an inexpensive filler in plastics compounds for many years, commercial wood-filled plastics are not widely used. One reason for this has been the poor mechanical properties of wood-filled compounds. Recent publications report advances in wood flour modification and compatibilization of polymer matrices, which has led to an improvement in processability and the mechanical properties of the blends. In most cases the compounds were obtained in Brabender-type mixers. In this work the authors present the results for direct feeding of mixtures of wood flour and thermoplastic materials (polypropylene and SBS elastomer) in injection molding. The obtained blends were compared with Brabender-mixed compounds from the point of view of physical and mechanical properties and aesthetics. It was shown that polymer blends with rough grades of wood flour (particle size >300 microns) possess a better decorative look and a lower density having, at the same time, poorer mechanical properties. Usage of compatibilizers allowed the authors to optimize the tensile strength of these compounds.

Keywords: Tensile strength; wood-filled plastic; polypropylene elastomer; wood flour; optimal properties (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:spr:spochp:978-0-387-98096-6_18

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DOI: 10.1007/978-0-387-98096-6_18

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