ANTICOUNTERFEITING | TECHNOLOGY
equipment and DNA precursors to enhance detec- tion. It describes DNA as “the highest level of forensic security.” Taking these factors into consideration, Eluceda focuses on IR and DNA tracers as viable options to authenticate polymeric materials at reasonable cost. Information such as batch or production facility location can be uniquely identified with the company’s DNATagg technology. The taggants are said to be unaffected by polymer processing. Engineered materials company Avient has
worked with Swiss security inks specialist SICPA to develop the Plastiward system, which includes proprietary taggants in a masterbatch, a handheld detector and a secure monitoring platform for real-time detection of counterfeits. In electrical and electronic components or automotive parts, as just two examples, the development partners say counterfeit parts can pose a risk of poor quality that may causs malfunction and potential injury. Plastiward additives can be combined with colours. Established as a not-for-profit spinout from the UK’s University of Manchester,Recon2
is continuing
development of a patented fluorescent marker technology to both identify and quantify recycled content. The company says its technology can be printed on product labels — in partnership with the UK’s OPRL (The On-Pack Recycling Label) — and that it can also be used for reporting requirements associ- ated with the UK’s plastic packaging tax. It has been shown that it can be used in a range of plastics used in packaging, including PE, PP, and PET. In 2022, packaging company ProAmpac part- . “In an effort to address recycled
nered with Recon2 content that did not previously have quantifiable
Left: This schematic
shows how the reciChain blockchain- based system aims to track and validate recycled materials
IMAGE: BASF/ RECICHAIN
capabilities, we believe the Recon2 technology has
the potential to provide a clear indication of the quantity of recycled content in packaging where today there is no method to quantify,” ProAmpac Technical Director for Blown Films in Europe Robert Crowe said at the time.
Blockchain ideas A variety of methods other than embedding tracers into the polymer are being investigated for tracing recycled content, such as labels, barcodes, surface features (see box story, page 34), and blockchain technology. The last of these — blockchain — ben- efits in both sharing necessary information and keeping supplier data confidential and, in some cases, can be combined with physical tracers.
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