MATERIALS | ADDITIVES
A team led by Prof Michael Shaver at the University of Manchester has developed an additive to enable traceability of
recycled content
optimised with DeltaFlow can be processed at lower temperatures, allowing converters to reduce cycle times, boost productivity and improve processabil- ity. The company claims the additives will make rPP a genuinely feasible alternative to virgin resin in many end-use applications. The advantage of this is that brands can help meet their sustainability goals by using more rPP in their products. The DeltaFlow additives complement Milliken’s
existing family of DeltaMax performance modifiers for PP. The DeltaFlow products are currently manufactured in Germany, and are offered in concentrations of 2%, 5% and 10% depending upon application and equipment requirements. “Milliken is pleased to be adding to its portfolio
of products that assist polypropylene recyclers.” says Tugce Asici-van Houselt, Milliken’s Sales Manager for plastic additives in EMEA. “Milliken & Company remains committed to supporting the plastics recycling industry with advanced polymer additives that allow for the increased use of recycled content by improving the properties of the recycled PP resin itself. DeltaFlow viscosity modifiers are just the latest example of this effort, which in turn, contributes to the industry’s ongoing
push to promote sustainability.” Milliken has also worked with the Italian confec- tionery giant Ferrero on making the packaging of their signature product, Ferrero Rocher, more sustainable. The companies have had a long-stand- ing working relationship, and both say they share a passion for enhancing packaging sector circularity. In the case of the new Ferrero Rocher packaging, Milliken custom-designed more than 20 formula- tions to find the right PP for the box, which had to be clear, lightweight and highly recyclable. During the course of this project, Milliken was able to demonstrate measurable performance improvements including lower resource consump- tion and reduced greenhouse gas emissions. The companies worked collaboratively to meet Fer- rero’s demanding specifications to maintain the iconic Ferrero Rocher box’s transparency, and guaranteeing the same high-quality product that its consumers know and love. “At Milliken, we thrive on resolving the technical challenges brought to us by our customers,” says Ruben Subira, Regional Market Manager, Plastic Additives. “This project with Ferrero is a great example of how close collaboration can help to deliver value-added solutions.” A team led by Prof Michael Shaver at the UK’s University of Manchester has developed an additive to help “prove” the level of recycled content in plastic packaging materials on inspec- tion without needing an audit of the supply chain. With the UK’s introduction of levies on plastic packaging products that fail to meet mandated levels of recycled content, traceability is more important than ever. The team has developed a technology to test whether a particular piece of plastic is made with a percentage of recycled content or is entirely made from virgin material. Canada-born Shaver, Director of the Sustainable
Materials Innovation Hub at University of Man- chester, and his team – including Natalie Mera-
IMAGE: SMIB
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