| BD | butane-1,4-diol |
| BHET | bis(2-hydroxyethyl) terephthalate |
| BPA | bisphenol-A |
| CHDM | 1,4-cyclohexanedimethanol |
| DEG | diethylene glycol |
| DEHP | di(2-ethylhexyl) phthalate |
| DINP | di-isononyl phthalate |
| DMT | dimethyl terephthalate |
| ECHA | European Chemicals Agency |
| EG | ethylene glycol |
| EPR | extended producer responsibility |
| FTOHs | fluorotelomer alcohols |
| IAS | intentionally added substances |
| IPA | isophthalic acid |
| Na2CO3 | sodium carbonate |
| NaOH | sodium hydroxide |
| NIAS | non-intentionally added substances |
| NIR | near-infrared |
| NP | nonylphenol |
| OP | octylphenol |
| PBT | poly(butylene terephthalate) |
| PD | propane-1,3-diol |
| PE | polyethylene |
| PEN | poly(ethylene naphthalate) |
| PET | poly(ethylene terephthalate) |
| PFAS | poly- and per-fluoroalkyl substances |
| PP | polypropylene |
| PS | polystyrene |
| PTT | poly(trimethlyene terephthalate) |
| PVC | poly(vinyl chloride) |
| RFID | radio frequency identification |
| rPET | recycled polyethylene terephthalate |
| ScCO2 | supercritical CO2 |
| SCFP | side-chain-fluorinated polymers |
| SIPE | 5-bis(hydroxyethyl)-isophthalate |
| TiO2 | titanium dioxide |
| TPA | terephthalic acid |
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