Demonstrates catalytic upcycling challenges in polystyrene using hydrogenation and C–C bond cleavage, suggesting improved strategies.
Unlike polyolefin hydrocracking, aromatic substituents in polystyrene (PS) stabilize benzylic species and redirect degradation pathways, making selective catalytic upcycling more difficult. Consistent with this challenge, recycling rates for polyolefins reach...
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Park et al. (2026) studied this question.
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