ArticleMaterials horizons2026
Electrophilic substitution in poly(ethylene terephthalate) waste for upcycling to functional metal-organic frameworks.
Article in Materials horizons, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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10 authors.
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Abstract
In contrast to polymer-to-polymer recycling of waste polyethylene terephthalate (wPET), chemical upcycling into added-value molecules beyond terephthalic acid is a promising strategy. Among possible transformations, electrophilic substitution offers a direct path, yet has remained unrealized due to the electron-deficient nature of the aromatic ring. Here, we demonstrate that substitution and depolymerisation can be merged in a single step, enabling the direct electrophilic functionalisation of wPET - a transformation previously considered inaccessible. We report a one-step method for electrophilic functionalisation of various wPET sources, such as post-consumer food boxes, bottles, industrial blends, and textile residues - into 2-nitroterephthalic acid (TA-NO
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