| DSC | Differential Scanning Calorimetry |
| LOM | Law of Mixtures |
| MFI | Melt Flow Index |
| OIT | Oxidation Induction Time |
| PPr | Post-consumer recycled polypropylene |
| PPv | Virgin polypropylene |
| rPPcw | Non-homogenized recycled PP |
| TGA | Thermogravimetric Analysis |
| Te | End degradation temperature |
| Ton | Onset degradation temperature |
| Tp | Peak degradation temperature |
| σb | Ultimate tensile strength |
| σy | Yield strength |
| εb | Elongation at break |
| χ | Crystallinity degree |
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