Science Advances

Supplementary Materials

This PDF file includes:

  • Section S1. General procedure
  • Section S2. Synthesis of the catalysts
  • Section S3. General procedure for autoclave reactions
  • Section S4. Additional Information
  • Section S5. NMR spectroscopy data of the products
  • Section S6. Crude NMR spectra of the products
  • Section S7. NMR spectra of the isolated products
  • Table S1. Hydrogenolysis of PLA derived from S-PLA granulate and a beverage cup using Ru(triphos-derivative)tmm complexes and HNTf2.
  • Table S2. Hydrogenolysis of PET with Ru(triphos-xyl)tmm and HNTf2 in the presence of a polymer “additive/impurity.”
  • Table S3. Hydrogenolysis of PCL in the polymer melt using Ru(triphos)tmm and HNTf2.
  • Table S4. Separation of PLA and PET via selective hydrogenolysis at low temperatures using Ru(triphos-xyl)tmm and HNTf2.
  • Fig. S1. Pressure drop curves of the hydrogenolysis of PCL with different molecular weights using Ru(triphos)tmm and HNTf2 as catalyst.
  • Fig. S2. Pressure drop curve of the hydrogenolysis of polyesters and polycarbonates.
  • Fig. S3. 1H NMR spectrum (600 MHz) 0 to 7.5 parts per million (ppm) of the crude 1,4-dioxane reaction mixture of the PLA (1) hydrogenolysis to 1,2-propanediol (1a).
  • Fig. S4. 13C NMR spectrum (150 MHz) (0 to 160 ppm) of the crude 1,4-dioxane reaction mixture of the PLA (1) hydrogenolysis to 1,2-propanediol (1a).
  • Fig. S5. 1H NMR spectrum (600 MHz) (0 to 7.5 ppm) of the crude 1,4-dioxane reaction mixture of the hydrogenolysis of PCL (2) to 1,6-hexanediol (2a).
  • Fig. S6. 13C NMR spectrum (150 MHz) (0 to 160 ppm) of the crude 1,4-dioxane reaction mixture of the hydrogenolysis of PCL (2) to 1,6-hexanediol (2a).
  • Fig. S7. 1H NMR spectrum (400 MHz) (0 to 7.5 ppm) of the crude 1,4-dioxane reaction mixture of the hydrogenolysis of PET (4) obtained from a water bottle to benzene dimethanol (4a) and ethylene glycol (4b).
  • Fig. S8. 13C NMR spectrum (100 MHz) (0 to 160 ppm) of the crude 1,4-dioxane reaction mixture of the hydrogenolysis of PET (4) obtained from a water bottle to benzene dimethanol (4a) and ethylene glycol (4b).
  • Fig. S9. 1H NMR spectrum (400 MHz) (0 to 7.5 ppm) of the crude 1,4-dioxane reaction mixture of the hydrogenolysis of PBT (5) to benzene dimethanol (4a) and 1,4-butanediol (5b).
  • Fig. S10. 13C NMR spectrum (100 MHz) (0 to 160 ppm) of the crude 1,4-dioxane reaction mixture of the hydrogenolysis of PBT (5) to benzene dimethanol (4a) and 1,4-butanediol (5b).
  • Fig. S11. 1H NMR spectrum (400 MHz) (0 to 7.5 ppm) of the crude 1,4-dioxane reaction mixture of the hydrogenolysis of polycarbonate (bisphenol A) (3), obtained from a CD, to 4,4′(propane-2,2-diyl)diphenol (bisphenol A, 3a) and methanol (3b).
  • Fig. S12. 13C NMR spectrum (75 MHz) (0 to 160 ppm) of the crude 1,4-dioxane reaction mixture of the hydrogenolysis of polycarbonate (bisphenol A) (3), obtained from a CD, to 4,4′(propane-2,2-diyl)diphenol (bisphenol A, 3a) and methanol (3b).
  • Fig. S13. 1H NMR spectrum (400 MHz) (0 to 7.5 ppm) of the isolated 1,2-propanediol (1a) obtained from a postconsumed beverage cup in CDCl3.
  • Fig. S14. 13C NMR spectrum (100 MHz) (10 to 230 ppm) of the isolated 1,2-propanediol (1a) obtained from a postconsumed beverage cup in CDCl3.
  • Fig. S15. 1H NMR spectrum (400 MHz) (0 to 12.5 ppm) of the isolated bisphenol A (3a) obtained from a postconsumed CD in dimethyl sulfoxide (DMSO)–d6.
  • Fig. S16. 13C NMR spectrum (100 MHz) (0 to 230 ppm) of the isolated bisphenol A (3a) obtained from a postconsumed CD in DMSO-d6.
  • Fig. S17. 1H NMR spectrum (400 MHz) (0 to 8 ppm) of the isolated 1,4-benzene dimethanol (4a) obtained from a postconsumed PET bottle in a mixture of CDCl3 and DMSO-d6.
  • Fig. S18. 13C NMR spectrum (100 MHz) (0 to 210 ppm) of the isolated 1,4-benzene dimethanol (4a) obtained from a postconsumed PET bottle in a mixture of CDCl3 and DMSO-d6.

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