MACHINERY | ALTERNATIVE COMPOUNDERS
efficient levels of shear and good dispersive mixing. Other features include a single large feed port that allows for high filler loadings and irregularly sized materials. Mixing intensity can be adjusted by making adjustments to rotor speed, working volume, thermal conditions and orifice position.
Bioplastics processing With environmental concerns very high on the agenda, processing of recycled materials and biopolymers is a hot topic. According to Farrel Pomini, continuous mixing technology is adiabatic and does not impart additional heat or energy into the compound. That helps maintain the integrity of the polymer, including molecular weight, which is particularly important when processing thermally sensitive bioplastics. The company says that its continuous mixers
also offer some advantages for compounders of recycled materials. Recyclates are by their nature intrinsically contaminated, partially degraded, and contain different pigments and granule sizes, which combine to make processing very challenging. The large single-entry feed port of the company’s machines is said to be capable of ingesting
irregularly sized feedstocks, as well as large amounts of additives and fillers, while the generous rotor tip to wall clearances and mixing chamber volume supports efficient processing and high material flow. All materials to be compounded are fed into the
mixer separately, or as a pre-blend, via the single entry port while liquids can be injected directly into the mixing chamber. This feeding method elimi- nates the need for side feeders. With an ever wider variety of materials being processed, Farrel Pomini says it is developing options for feeding a more diverse range. Continuous mixing technology also utilises atmospheric venting, eliminating the need for additional vacuum systems. Farrel Pomini recently published the results of a follow-up study into processing polylactide (PLA) on its CP550 production sized continuous mixer machine. The study evaluated the effect of molecu- lar weight loss when processing PLA with a range of talc mineral fill levels. The follow-up research was conducted to compare the earlier results found utilising the company’s CPeX laboratory scale processor and was conducted in partnership with NatureWorks.
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Save €200* until 22 October 2021 - using the code EB1150
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Polymers in Flooring
9-10 December 2021 Berlin, Germany
Discovering the latest trends and innovations in polymer flooring, improving materials, production and design to open new markets
Join the polymeric flooring industry to discuss technical and market trends, industry initiatives, and sustainability whilst networking with key stakeholders and experts.
CONTACT US
Emily Nicholson Conference Organiser
T +44 (0) 117 314 8111 E emi .nic
Organised by: Media supporters:
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• Learn about innovative developments in materials and additives for resilient flooring
• Meet with flooring producers and other industry professionals • Explore the exhibition area to find out what suppliers can offer you and your business
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