FTA's Environmental Excellence Award for Innovations in Sustainability goes to CleanFlake

06 May 2014
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The Flexographic Technical Association presented its Environmental Excellence Award for Innovations in Sustainability to Avery Dennison Materials Group at FTA’s annual forum, the company,  Avery Dennison was recognized for the CleanFlake portfolio, a collection of label materials developed to advance the recycling of PET containers.

Direct printing, paper labels and standard pressure-sensitive labels applied to PET bottles tend to lower the recycling efficiency and the quality of recycled PET. In 2010, 1.5 billion pounds of PET were collected for recycling in the United States, yet reclaimers reported yield losses ranging from 24.4% to 32.2% due to contamination by labels, adhesives and other components — amounting to a loss of over 40 million pounds of bottles.

CleanFlake is a patent-pending adhesive technology that “switches off” when submerged in a caustic bath so the label cleanly separates from the PET flakes. Although these labels adhere firmly to PET bottles or containers during use, they detach readily in a conventional recycling facility and rise to the surface in the float/sink separation phase, allowing clean PET flakes to sink for easier reclamation.