MATERIALS | WOOD PLASTIC COMPOSITES
Sappi’s Symbio ED90-PP contains 90% compati- bilsed cellulose in PP, which it says can be diluted to the desired cellulose content, in any colour, in a compounding process. Juul Cuijpers, Sappi Europe’s product manager
for Symbio, says that in standard twin-screw extrusion compounding, it is preferable to feed the material via a side feeder after having fed the polymer on the main feed allowing it to melt before the addition of Symbio. The pellet masterbatch is easy to dose and easy to handle, achieving very good dispersion, and the cellulose has a consistent, high quality and purity level, Cuijpers says. The material can be used in a wide range of
Above: A WPC kayak being 3D-printed at the RISE Research Institute in Biofiber Tech’s FibraQ 3D compound
conventional fossil-based plastic to reduce carbon dioxide emissions. Biofiber Tech says compounders can use FibraQ
to make wood-fibre based plastic compounds in conventional twin-screw extrusion compounding equipment. In 2022, it introduced a number of FibraQ compounds, including FibraQ 3D for 3D-printed products, FibraQ ABS, and FibraQ 100% Bio, which uses bioplastics and is composta- ble. The most recent addition to its product line is FibraQ TPE compounds, which use FibraQ wood fibers in EVA or TPU. Another key player in the bio-based filler sector
is Sappi Biotech. Its Sappi Symbio is a thermoplas- tic masterbatch containing functionalised cellulose fibres derived from managed European forests and plantations that are 100% FSC certified. The company says use of Symbio can reduce carbon footprint and material weight compared to using short glass fibres.
applications, including furniture, consumer electronics, automotive interior components, packaging, and kitchen items such as cutting boards.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.azekco.com �
www.trex.com �
www.ngc-nordic.com �
www.caiadditives.com �
www.addico.com.mx �
www.aromaticfusion.com �
www.adeka.co.jp �
www.tpei.com �
www.bausano.com �
www.wki.fraunhofer.de/en/ �
https://basajaun-horizon.eu/ �
www.rise-pfi.no �
www.biofibertech.com �
www.sappi.com
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IMAGE: BIOFIBER TECH
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