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Adding specific additives such as fillers and antioxidants to these recycled PEs and PETs using reactive extrusion is one way to improve the materials' mechanical properties and stability so that they can be reused.
Specifically, the CEA will develop a maleic anhydride grafting (MAg) process to improve rPET/rPE multi-layer adhesion and affinity. This would allow to use more environmentally friendly adhesives, even get rid of it.
The solid and melt properties of flexible rPET will be improved by increasing their molar mass with the addition of chain extenders and the integrating of specific fillers by reactive extrusion process.
Flexible and rigid recycled PE and PET packaging materials developed will be scaled up and sent to partners for the development of packaging prototypes.
CEA is a French government-funded technological research organisation in four main areas: low-carbon energies, defense and security, information technologies and health technologies. A prominent player in the European Research Area, it is involved in setting up collaborative projects with many partners around the world.