Recycling study demonstrates new possibilities for a circular plastics economy powered by renewable energy UofIllinois NatureComms
). Both TEMPO and PINO significantly enhanced the current at low applied potential, but as an oxidizer, they did not trigger the depolymerization of POM. Most likely, it is due to their low reactivities towards the oxidation of HFIPOn the other hand, the successful depolymerization at a lower applied potential in the divided cell also supported the electro-mediated acid depolymerization hypothesis.
However, in a divided cell, the reduction process is separated from the oxidation. We speculate that this cell configuration allows for the accumulation of the proton in the anodic chamber, thus relaxing requirements for a higher applied potential .Due to the insolubility of POM in most organic solvents, it is difficult to perform CV measurements directly. Hence, small molecules with identical chemical bonds were used as models to study the redox behavior of the polyacetal.
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