Optimisation of recycling process parameters of carbon fibre in epoxy matrix composites

Article Green & Sustainable Science & Technology

Optimisation of CFRP composite recycling process based on energy consumption, kinetic behaviour and thermal degradation mechanism of carbon fibre

S. A. Hadigheh et al.

Summary: This research investigates the kinetic behavior of thermal decomposition of CFRP up to 800 degrees C and reveals that the pyrolysis process consists of two stages, with majority of the polymer matrix removed in the first stage. Lower heating rates lead to higher conversion fractions with lower activation energies. Pyrolysis of the composite remains efficient until 425 degrees C and an oxidation process up to 550 degrees C is required for high quality recycled carbon fibre products.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Polymer Science

Experiments based analysis of thermal decomposition kinetics model. Case of carbon fibers PolyPhenylene Sulfide composites

Y. Carpier et al.

Summary: This study aimed to identify the most relevant approach to model the isothermal decomposition of C/PPS composites, with experimental databases obtained from TGA and MT-TGA tests. Three different modeling approaches were discussed, with model-fitting methods providing relatively accurate predictions of TGA curves. The model-free approach was identified as the most physically relevant method for capturing the thermal decomposition of C/PPS composites under isothermal conditions.

POLYMER DEGRADATION AND STABILITY (2021)

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Article Engineering, Environmental

A comprehensive study on the oxidative pyrolysis of epoxy resin from fiber/epoxy composites: Product characteristics and kinetics

Chuan Ma et al.

Summary: The study found that high concentrations of oxygen can accelerate the primary decomposition of epoxy resin and shift the oxidation of resin residue to lower temperatures. In air atmosphere, high yields of CO and CO2 were generated and distributed in several stages. Kinetic analysis indicated that the multi-DAEM method can well explain the oxidative pyrolysis behaviors of epoxy resin.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Review Engineering, Multidisciplinary