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- W4367017434 abstract "A new platinum catalyst converts polypropylene plastic into valuable liquid hydrocarbons, primarily motor oil ( ChemSusChem 2021, DOI: 10.1002/cssc.202101999 ). Supported on carbon, platinum nanoparticles catalyze the degradation of the polymer, but the new surface is engineered to stop breaking the chains at a target size. “We control the adsorption energy [at the catalyst surface] to detach hydrocarbons after they reach a certain length,” says Antonio J. Martín , coauthor of the study. Polypropylene represents 30% of all plastic waste. So far, efforts to recycle polypropylene have been limited to mechanical processes, in which the plastic is ground and melted into new products, but this approach results in lower-quality material with every cycle. Researchers would like to find chemical recycling approaches that avoid this problem, but that has been a challenge with polypropylene. “This polymer has a very homogeneous chain, thousands of carbon atoms long,” lead author Javier Pérez-Ramírez explains." @default.
- W4367017434 created "2023-04-27" @default.
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- W4367017434 date "2021-11-08" @default.
- W4367017434 modified "2023-09-23" @default.
- W4367017434 title "Platinum catalyst turns polypropylene into motor oil" @default.
- W4367017434 doi "https://doi.org/10.1021/cen-09941-scicon6" @default.
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