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Cannon Group company,  (Caronno Pertusella, Italy), a technologies, processing equipment and mold manufacturer for the composites industry, is working with (Chicago, Ill., U.S.) on molding trials for the feasibility of using recycled carbon fiber (rCF) for the fabrication of aircraft cabin interior sidewall panels.

The recovery and reuse of carbon fiber waste during production processes and end-of-life (EOL) applications, such as automotive and aeronautics, has proved to be economically viable, the company notes. This supports the implementation of the EU Waste Framework Directive (2008/98/EC) to greatly reduce landfill disposal which is environmentally essential and is also in line with targets set by the EU Circular Economy Package for sustainable production practices.

“For several years, together with sister companies Cannon Afros and Cannon Tipos, we have successfully undertaken numerous projects that offer new life to rCF,” Mattia Andolfatto, project manager R&D at Cannon Ergos, says. “By combining various technologies and production processes tailored for each application, we have been able to effectively process rCF whether impregnated with diverse resins, or already integrated within a thermoplastic matrix. The project with Boeing demonstrates the viability of fabricating interior sidewall panels with high-performance thermoplastics reinforced with recycled carbon fiber.”

The project’s latest stage involves (MCAM, Lenzburg, Switzerland), a global supplier of high-performance reinforced polymers for which Cannon Ergos has designed, manufactured and installed a customized and fully equipped thermo-compression unit.  This equipment was used to produce prototype sidewall panels with the new Kyrontex material. Typical resin matrices used for Kyrontex thermoplastic composite aeronautical applications include polyamide (PA), polyetherimide (PEI), polyphenylene sulfide (PPS), polyetheretherketone (PEEK) and polyaryletherketone (PAEK).