ADDITIVES | MATERIALS
performance of UPR-011 does not deteriorate through increased contamination from higher levels of PCR-PP. Therefore, UPR-011 can contribute to both upcycling of recyclates and further replace- ment of virgin plastics, says the company. Under European Union regulations and plastics tax implementations, demand from the end market for high quality recyclates has increased and performance demands are increasing, according to SI Group. “The awareness of plastic recyclers and compounders is increasing that additives can play a role in improving the performance of final products and blends,” says Irfaan Foster, Market Development Director. “The combination of legisla- tive push and brand owner/consumer pull is driving an increase in recycling content across all applications, requiring a switch from downcycling to closed loop recycling and/or upcycling.” He says: “Demand for increased recycled content in more challenging applications also requires the prevention of polymer degradation throughout the whole value chain to maintain properties and performance through stabilisation. In addition, increased collection of plastics puts pressure on feedstock quality for recyclers through more cross-contamination and variation, meaning that compatibilisation is important to enable upcycling. UV protection also needs to be ad- dressed with disposable and single use packaging plastics being widely collected and turned into recycled content for more durable applications. For example, an automotive component with higher performance demands needs additives for long term heat and light protection.” SI Group says that its Evercycle product range is
specifically designed for mechanical recycling to produce higher performing products that enable the converter and end market to increase circular- ity, by preventing downcycling and enabling an increase of recycled content. Evercycle LD-101S and PP-101S are non-dust blends to improve melt stability in both flexible and rigid stream recycling, while Evercycle LD-104P is a masterbatch solution to improve gel control and increase mechanical performance in transparent film, both for recycler and converter. In addition, Evercycle PET-102D and PET-103D are tailored additive solutions to prevent quality losses in PET bottle-to-bottle recycling, closing the loop and preventing downcycling into other applications. Based on its experience in the development of montan wax-based additives for engineering plastics, Völpker Spezialprodukte says that it has developed products that are providing field-tested and ready-to-use solutions in plastics recycling. “Völpker manufactures the Cevo products on a recently completed compacting plant,” says Dr. Lutz Matthies, Head of Business Development. “Compacted pellets are suitable for the manufac- turing of dryblends used by injection moulders, for example. Heat-bonded, dust-reduced powders from this plant can be handled and dosed easily and are appropriate for occupational safety. The fact that the ingredients of the individual Cevo formulations do not have to be melted also makes the new plant more energy-efficient and increases our production capacity to 500 kg/h.” He says: “Requirements for recycling additives
and processes are particularly high. The polymers are thermally pre-stressed and partially degraded
info@beierpm.com
www.beierrecycling.com
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