4.6 Article

Depolymerization of polystyrene under ambient conditions

Journal

NEW JOURNAL OF CHEMISTRY
Volume 45, Issue 6, Pages 2935-2938

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0nj05984f

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Funding

  1. U.S. Department of Energy (DOE) Office of Science, Basic Energy Sciences, Materials Science and Engineering Division, Division and Ames Laboratory Directed Research and Development (LDRD) Program
  2. U.S. DOE [DE-AC0207CH11358]
  3. National Science Foundation via EPSCoR [OIA-1655740]

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Depolymerization of polystyrene to monomeric styrene is achieved through mechanochemical processing in metal-based milling media, generating carbon-centered free radicals detected by EPR spectroscopy even in air.
Depolymerization of the addition polymer polystyrene to monomeric styrene is facilitated by mechanochemical processing at room temperature under ambient atmosphere. The reaction occurs in metal-based milling media in concert with scission of macro molecular chains that generates carbon-centered free-radicals detectable by EPR spectroscopy, even though the processing is performed in air.

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