MATERIALS | COLOURS AND MASTERBATCH
based masterbatches for various polymers, such as a PP PCR masterbatch with excellent colour consistency that can be used in both opaque and translucent applications. Odour neutralisers are currently being trialled with customers as a cost-effective way to trap VOCs in PCR materi-
als. A recycled carbon black masterbatch made from recycled
tyres is currently undergoing in-house trials and a major collaboration with an
Above:
Einar colour dispersing aids from Palsgaard
academic partner is currently underway to develop a non-toxic endothermic blowing agent for trial with customers across a range of industry sectors. An NIR detectable high gloss ‘piano’ black masterbatch has completed in-house trials at Broadway and is now undergoing extended trials in partnership with waste sorting facilities. The next goal is to achieve recognised certification for this product. The masterbatch meets standard EU food contact regulations and is compatible with both PET and PP. High opacity, high gloss black plastics
are a popular packaging choice, commonly used to offer products a premium appearance. Broadway says that the new product range has undergone extensive and successful in-house NIR spectrosco- py-based tests, returning a distinct and statistically significant spectroscopic signature. Rayner adds that future developments at
Broadway will include an extension of the PCR- masterbatches to other polymers, such as PE and PET, as well as the development of NIR detectable blacks to other polymers beyond PET and PP. Palsgaard has developed a range of sustainable bio-based polymer additives, including a pigment dispersing aid for PE, PP, PET, PVC and PA colour masterbatches. The company says that the dispers- ing aid works as well with recycled polymers as with virgin materials and is a good drop-in replace- ment for fossil-based additives. Einar 101 is a plant-based polyglycerol that is highly efficient as a dispersing aid where it wets, stabilises and dispers- es the pigments in the polymer mix. It can fully replace current dispersing aids or boost the performance in combination with the chosen dispersing aid when added to existing formula- tions. Addition to the colour masterbatch is in
RECYCLING SOLUTIONS
HIGH PERFORMANCE CLEANING ADDITIVES & SUPPORT
How can your recycled product meet permanently increasing demands? With the CHT range of high performance process solutions with environmental relief for the wet cleaning and recycling process. We support you directly on site and ensure your quality controls in our laboratories with state-of-the-art equipment. Thus, your strong position in the growing market is confirmed day by day.
More about us at
www.cht.com
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