ADDITIVES | MATERIALS
“A key issue facing recyclers is the large propor-
tion of recycled content that comes from single-use applications like packaging,” Milliken said. “These material streams may lack the more robust physical properties required for typical recycled PP applica- tions like durable goods. Recyclers must also contend with variability in their feedstocks.” Emily Blair, Business Development Manager at
Milliken, said: “Our partnership with the Aaron Industries team is helping to elevate the value, performance and desirability of recycled PP resins. Advanced additives like our DeltaMax technology can play an increasingly important role in solving the enormous challenge of plastic waste. Enhanc- ing PP with DeltaMax can drive greater demand for recycled resins, extending plastics’ useful life and strengthening the circular economy.” Blair also gave a technical talk on the development of DeltaMax at the Compounding World Expo conference in Cleveland. Struktol has three main focus areas for its additive products that can be used with recyclate: homogenisation, odour control and viscosity modification. Compatibilisers for homogenising polymers include RP 28, TR 052, TR 219 and TR
229. Additives used for odour control include RP 17, RP 53 and RP 59 (read more about these Struktol products in Plastics Recycling World’s Odour Control feature, May-June 2019 issue). The company’s range of polypropylene viscosity modifiers includes RP 06, RP 11, RP 23 and RP 38. Struktol’s approach is to offer products that minimise changes to the customer’s process, said Mike Fulmer, VP Plastics and WPC, speaking to Plastics Recycling World from the company’s stand
Above: Struktol TR052 is a compatibiliser for PP and PE, but it also acts as a dispersing agent and flow modifier
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PHOTO: STRUKTOL
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