Carbon fiber recovery from waste composites: An integrated approach for a commercially successful recycling operation

TitleCarbon fiber recovery from waste composites: An integrated approach for a commercially successful recycling operation
Publication TypePresentazione a Congresso
Year of Publication2009
AuthorsCornacchia, G., Galvagno S., Portofino Sabrina, Caretto Flavio, Casciaro G., Matera D., Donatelli Antonio, Iovane Pierpaolo, Martino Maria, Civita R., and Corianò S.
Conference NameInternational SAMPE Symposium and Exhibition (Proceedings)
KeywordsA-thermal, Carbon fiber reinforced plastics, Carbon fibers, Composite micromechanics, Continued use, Estimated costs, Fiber reinforced materials, Fiber reinforced plastics, Fibers, Glass fiber reinforced plastics, Glass fibers, Heat treatment, Industrial sector, Innovative process, integrated approach, Materials properties, Mechanical properties, Recyclability, Recycling, Recycling operations, Reinforced plastics, Thermoset composite materials, Thermosets, Virgin carbon
Abstract

In Europe, approximately 1 million tons of composites are manufactured each year. Although there are many successful uses for thermoset composite materials, recycling at the end of their life cycle is a more difficult issue. However, the perceived lack of recyclability is now increasingly important and seen as a key barrier to the development or even continued use of composite materials in some markets.> In this frame, the present work describes an innovative process, patented by ENEA and Karborek in Italy, for the recovery of carbon and glass fibers from fiber reinforced plastics (FRP), through a thermal treatment able to save the mechanical properties of the materials till to 90% of the starting fibers. The estimated costs for the recovered carbon fibers (RCF) from the process are lower than virgin carbon fibers: this reduction let forecast the carbon fibers utilization in a wider range of industrial sectors.

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