COLOURS AND MASTERBATCH | MATERIALS
concentrations of 1-5% of the total formulation. Ampacet has added Rec-NIR-Black PE 512 for
black flexible applications to its carbon-free Rec-NIR-Black masterbatch range. Rec-NIR Black PE 512 is NIR-detectable, while providing a high level of opacity for black flexible packaging. Products made with this NIR-transparent masterbatch solution are oriented to the PE flow when using a sorting model suitable for dark plastics. Rec-NIR- Black PE 512 is suitable exclusively for indoor use because, unlike conventional carbon black master- batches, it does not provide a stabilising effect against UV degradation. Chroma Color has developed a specialised
formulation path to solving the need for colourant alternatives to carbon black as a means to address the recycling of black or dark colours in packaging for improved environmental sustainability. The alternative recipes allow MRF sorting operations to identify and successfully sort the plastic articles according to the US APR NIR Sorting Potential of a Whole Plastic Article. The leading third-party independent lab PTI of Holland, Ohio, conducted all testing and analysis. The company says that its NIR sortable black technology is based on IR reflecting/transparent components using a combi- nation of speciality dyes and organic pigments. Karl Finke has developed a sustainable new
Fibratec masterbatch series for PCR rPET. As carrier polymers for the Fibratec masterbatches, Finke uses both recyclates from household waste and recyclates obtained from production waste in industry. They can be processed in the same way as masterbatches based on virgin material. The company has also developed Fibraplast NIR detectable black masterbatches to make packag- ing fit for NIR sorting. They can be used for colour- ing all common packaging plastics, such as HDPE, PP, PS and PET. The masterbatches do not contain carbon black pigments. This allows dyed black plastics to be easily detected in NIR sorting systems. Black bottles, lids or trays made of HDPE, PP, PS or PET can be easily separated from each other using standard sorting technology, just as with all other colours. This has been proven by tests carried out in cooperation with leading sorting plant manufacturers, says Finke. Gabriel-Chemie Group, in cooperation with GSM Sella and Aurora Kunststoffe, has developed a new masterbatch for post-industrial PA66 to produce stadium seats. The masterbatch added to post-industrial polymer guarantees the manufac- tured articles’ mechanical resistance and flame- retardant properties, as well as a good aesthetic appearance and the necessary resistance to
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prolonged exposure to UV rays and other aggres- sive atmospheric agents, in compliance with the strict international safety regulations of the stadi- ums. The result of this successful cooperation is the production of 30,000 new stadium seats. Gabriel-Chemie has also invested in an NIR-de- tectable device and can offer NIR inspection and certification of all masterbatches for customers. Due to the current demand from various markets, this test is increasingly desired for all colours. An existing end product or masterbatch can also be tested. If NIR detection is not possible, Gabriel-Chemie says that it has a sustainable solution available. Delta Tecnic, the Spanish-headquartered masterbatch maker focused on PVC and cable applications, has introduced new products aimed at specific markets including PVC recycling. The company is offering new colour masterbatches for recycled PVC in black, white and brown. Eva Gotor, Marketing Manager, says that they all have high concentrations of pigments and are formulated to deliver good dispersion. She added that the white masterbatch has a high titanium dioxide content and includes ingredients to help restore the appearance of recycled white PVC that has yellowed during its lifetime.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.lyondellbasell.com �
www.avient.com �
www.hollandcolours.com �
www.broadwaycolours.com �
www.palsgaard.com �
www.ampacet.com �
www.chromacolors.com �
www.finke-colors.eu �
www.gabriel-chemie.com �
www.deltatecnic.com �
www.colvistec.de �
www.skz.de
November/December 2022 | PLASTICS RECYCLING WORLD 43
Above: Karl Finke has developed a sustainable new Fibratec masterbatch series for rPET
IMAGE: FINKE
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