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EnvalyxPrecision upcycling

PET-containing materials

Bottles, trays, and polyester-rich textiles.

Target output

Oligomers · BHET · MHET · TPA · EG

PET bottle and thermoformed tray with polyester textile and yarn

Access constraints

  • Crystallinity
  • Thermal history
  • Surface area
  • Dyes
  • Construction
The PET constitutional repeat unit, showing two ester linkages per terephthalate, hydrolysed at accessible ester bonds to give terephthalic acid and ethylene glycol, with BHET, MHET, and oligomers from partial hydrolysis.

01Input

nOOOOPET · two ester linkages per repeat
Envalyx development route

02Target output

OOHOOHterephthalic acid (TPA)HOOHethylene glycol (EG)partial hydrolysis also yields BHET · MHET · oligomers

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