Commonly used plastics are made up of one or more polymers, to which additives and adjuvants are very often added to obtain a wide range of additional properties (colour, plasticity, heat resistance, etc.). At the end of their life, the fate and degradation of polymers in waste management systems are fairly well known. However, little is known about the fate of additives, particularly metal-based catalysts and brominated flame retardants. This is the aim of this original work, which proposes a qualitative and quantitative assessment of the fate of these additional elements during the recycling or treatment (incineration and storage) of plastics that have become waste.
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