ADDITIVES | RECYCLING
PP,” says Allan Randall, Global Product Manager at Milliken. “Performance enhancement is most notably needed in applications that desire high MFR (higher than 10-20 MFR) and high levels of impact necessary for durable goods,” he says. Milliken’s reactive extrusion platform aims to meet this need. The company’s DeltaFlow viscosity modifiers are supplied as pelletised concentrates for PP recyclers seeking to increase melt flow of and reduce processing temperatures for rPP in extrusion or injection moulding. They are also said maintain or improve impact performance.
Tackling discoloration Discoloration due to degradation is also a common problem in PCR and is a challenge that pigments can be used to overcome. Avient launched a PCR Color Prediction Service for brand owners that want to colour polyolefins and polyethylene terephthalate (PET) containing PCR. Its service uses a proprietary software tool that takes prior colour matching data to determine if colours are feasible in a new application that incorporates PCR content. The company reports that the software “also
calculates how much PCR content can be added to an existing application without affecting its signa- ture colour.” Avient suggests that the service can accelerate colour evaluation and selection and can also provide flexibility for switching between different PCR sources. Another new Avient product is its Cesa Nox A4R Additive for recycling of polyolefins. According to the company, it can be added to PCR during reprocessing or incorporated in virgin resin to prepare it for future recycling.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.basf.com �
www.baerlocher.com �
www.ampacet.com �
www.ngc-nordic.com/ (Nordic Grafting) �
www.thecompoundcompany.nl �
www.sk-fp.com/ (SK Functional Polymer) �
www.intermixperformancematerials.com �
www.interfacepolymers.com �
www.4kenrich.com �
www.techmerpm.com �
www.milliken.com �
www.avient.com
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