COLOURS | MATERIALS
PCR. Benvic’s Dot-R com- pounds with recycled content are finding success in furniture, electrical appliances, and automotive parts, with high quality colour. Dark colours are easiest to match and can allow greater recycled content. “When it comes to bright colours the sensitivity of the recycled feedstock has much more influence on the final results,” the company said. “In these cases the colour matching process is often conducted via a retroactive process: depend- ing on the feedstock sensitiveness, to be moni- tored and measured batch by batch and with the compound constantly being adjusted and aligned to compensate for the variation of the coloration.
Benvic has developed a number of systems and process capabilities to generate such colour alignment, from feedstock handling and processing to production controls; the final results for green blue and red colours, for example, are performing very well. However, a constant alignment with material supplier and the designers needs to be established from project start.” Compound and master-
batch supplier Avient sees an ongoing need for NIR-detectable solutions, recycle-friendly additives and colorants that maintain the quality of the PCR stream, and the ability to predict colour in PCR. Avient’s PCR Color Predic- tion Service uses a digital tool to help illustrate the colour possibilities or
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limitations of PCR-contain- ing polyolefins or rPET. The tool works with transparent, translucent, and opaque colours. The service can help simplify the overall decision-making process for brand owners and technical colorists and shorten the time-to-launch of new product ranges, the com- pany said. Avient’s line of Edgetek REC PC with recycled-con-
tent PC and PC blends designed for E&E is now available in the Europe, Middle East, and Africa regions. The portfolio includes compounds with 35% to 98% PCR content, in addition to 20% to 70% recycled content in previ- ously launched grades. The materials are available as pre-coloured compounds or as natural grades that are colourable with Avient’s
OnColor Color Master- batches for PC. “Colourabil- ity in virtually all colours and shades [is] enabled by the high quality of the PCR source,” the company said. Delta Tecnic offers colour masterbatches for recycled PVC. When recycling white PVC into a white rPVC application, white masterbatches containing titanium dioxide help improve the colour. For
Lower Color Consumption and Maintain Color Quality
• Detects minor color deviations (ΔE) in real time
• Automatically adjusts color to maintain color specs
• Reduces scrap and downtime • Eliminates line operator QC involvement
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