Research Article
Determination of Partition Coefficients of Selected Model Migrants between Polyethylene and Polypropylene and Nanocomposite Polypropylene
Table 8
Relation (
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at 60°C and 80°C for all substances studied.
| Model migrant | Temperature | Time | | Model migrant | Temperature | Time | |
| Benzophenone | | 40 days | 2.47 | DPP | | 40 days | 6.70 | 60°C | 55 days | 2.54 | 60°C | 55 days | 13.84 | | 70 days | 2.55 | | 70 days | 8.53 | | 25 days | — | | 25 days | 11.92 | 80°C | 40 days | 2.15 | 80°C | 40 days | 11.35 | | 60 days | 2.30 | | 60 days | 10.02 |
| DPBD | | 40 days | 5.69 | BHT | | 40 days | 0.93 | 60°C | 55 days | 6.33 | 60°C | 55 days | 1.20 | | 70 days | 5.50 | | 70 days | 1.02 | | 25 days | — | | 25 days | 1.07 | 80°C | 40 days | 4.82 | 80°C | 40 days | 0.85 | | 60 days | 4.27 | | 60 days | 0.89 |
| Uvitex OB | | 40 days | 3.57 | Bisphenol A | | 40 days | 16.30 | 60°C | 55 days | 1.31 | 60°C | 55 days | 15.54 | | 70 days | 2.02 | | 70 days | 20.19 | | 25 days | — | | 25 days | — | 80°C | 40 days | 3.34 | 80°C | 40 days | 48.41 | | 60 days | 2.09 | | 60 days | 54.19 |
| ITX | | 40 days | 2.42 | Triclosan | | 40 days | 16.41 | 60°C | 55 days | 2.84 | 60°C | 55 days | 16.98 | | 70 days | 2.44 | | 70 days | 23.01 | | 25 days | 2.22 | | 25 days | — | 80°C | 40 days | 1.77 | 80°C | 40 days | 18.28 | | 60 days | 2.03 | | 60 days | 18.60 |
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