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chanical recycling projects. He said the company has, for example, developed two lines for in-house recycling of multi-layer PE film edge trim containing PA barrier layers. “With our systems it is possible to disperse the PA quite finely in the PE matrix so you can dose the recy- clate at high levels with no optical quality loss,” he said. The lines have been in production for 12 months with a major European film producer. Long fibre thermoplastic
(LFT) production technology was the key focus on the Feddem stand. Introduced at K2019, Feddem’s technol- ogy has been developed together with group company Akro Plastic, which now has lines running at its production sites in Germany and China. According to Feddem Managing Director Dieter Groß, the key benefit of this joint approach has been a system designed for effective production. “[LFT] is a more complex process than normal compounding so we have put a lot of focus on how we can make the process simpler,” he said. “This is on the mechanical side but also on the control.” He cited the modular
design, which allows customers to start with one 29-strand die then double up as demand grows. Performance filler
producer HPF The Mineral Engineers — a division of Quarzwerke — highlighted its research efforts on odour management in recycled materials. “Smell and odour is a big issue in automotive,” says Péter Sebö, Head of Marketing and Market
www.compoundingworld.com
Development at HPF. He presented olfactomet-
ric test results comparing the odour of a post consu- mer recycled (PCR) PP with no filler against versions carrying a 5% addition of three of its specially-prepa- red coated mineral fillers. The tests were carried out to the VDA270 specification and showed reductions in odour intensity from 4.0 for the unfilled PCR PP to between 2.1 and 2.5 for the filled compounds. Accord- ing to Sebö, the filler works as a system to counter the residual odour. “The technology is in the combi- nation of the coating and the mineral,“ he says. ICMA San Giorgio
President Giorgio Colombo said the company’s decision to build an Innovation Hub at its Italian headquarters is paying off. The €1m facility, which covers 1,000m2
and
includes a range of com- pounding extruders sized from 25-60mm diameter for effective scale up, allows customers to run develop- ment trials over several days. “We are using it for any type of project where a co-rotating extruder is involved — green com- pounding, recycling, composites, metal fibres, direct extrusion,” he said. n The Compounding World Expo, Plastics Recycling World Expo, Plastics Extrusion World Expo and Polymer Testing World Expo next take place this week in Cleveland, Ohio, US, and return to Messe Essen in Germany on 14-15 June 2023. For more information on visiting or exhibiting at the expos, please CLICK HERE.
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