02 Nov 2022  Henkel and Siegwerk have developed an oxygen barrier coating for food packaging made from flexible monomaterial plastic for streamlined recyclability. According to the companies, the monomaterial flexible packaging enables "industrially validated oxygen barrier coating" without compromising shelf life. "The product enables increased recyclability and therefore circularity. This has a positive environmental impact as it keeps materials in the cycle and limits leakage into the environment," Lothar Schaeffeler, director of technology at Siegwerk tells PackagingInsights. Henkel holds leading positions with its three business units in both industrial and consumer businesses. Meanwhile, Siegwerk is an international manufacturer of printing inks and individual solutions for packaging, labels and catalogs. Food barrier coating Not using mixed materials simplifies the sorting and recycling processes.