Polymers and additives | products TPE COMPOUNDS Geba reinforces TPU with natural fibres
Geba Kunststoffcompounds has worked with Bayer MaterialScience to develop a thermoplastic polyurethane (TPU) compound reinforced with natural fibres. Based on Bayer’s Desmovit TPU resins, the compounds
TECHNICAL COMPOUNDS Polycarbonate compound replaces metal
Océ, a division of Canon Business Solu- tions, has specified a carbon-fibre-rein- forced polycarbonate compound from Lehmann & Voss to replace metal compo- nents in a cartridge holder assembly for high-speed digital printers. The single plastic moulding replaces a
metal assembly made up of as many as 10 components including spring construc- tions. The design required a material with high stiffness and excellent dimensional stability. In addition, the specified compound had to be sufficiently conduc- tive with a surface resistivity of 105 ohms to dissipate electrostatic charge.
retardant grade that meets the required UL94 V0 flammability certification. It also provides very good flow properties to allow the efficient injection moulding of thin wall sections. According to Michael Sandeen,
The Luvocom 50-7856/FR/BK com-
pound, developed and produced by Lehmann & Voss plus its US subsidiary Lehvoss North America, is a flame
business development manager at Lehvoss North America, the replacement of the metal assembly with a single plastic moulding has led to a 15% reduction in production and secondary assembly costs. In addition, all of the engineering specifications were either met or exceeded. ❙
www.luvocom.com
contain 10% or 20% loadings of natural fibres. They have been optimised to provide a weight saving compared to glass fibre reinforced TPU. They also offer high strength for thin wall structures. Target applications for the Desmovit DP R Eco NF
grades include sporting goods. Geba says that it also
looking at incorporating natural fibres in bio-based TPUs to produce compounds with an even higher renewable content. ❙
www.geba.eu
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