Table 1.
Temperature, degree of crystallinity and relative contents of β crystals of the pure polymers and polymers containing 0.5 and 1.0 wt. % of silver nanoparticles (AgNPs).
| Before Incubation | After 12-Months Incubation | After 24-Months Incubation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Sample | DSC | XRD | DSC | XRD | DSC | XRD | |||
| Tm (°C) | χC (%) | kβ (%) | Tm (°C) | χC (%) | kβ (%) | Tm (°C) | χC (%) | kβ (%) | |
| MG12 | 173.9 | 46.4 | 0.6 | 172.9 | 39.2 | 6.1 | 172.2 | 40.3 | 10.1 |
| MG12_0.5Ag | 172.3 | 47.6 | 1.2 | 171.2 | 38.3 | 7.5 | 170.7 | 36.8 | 11.6 |
| MG12_1Ag | 173.3 | 43.0 | 10.0 | 173.1 | 39.8 | 11.8 | 169.7 | 38.9 | 11.9 |
| MG03 | 176.2 | 44.4 | 11.9 | 173.5 | 39.7 | 18.7 | 170.9 | 37.0 | 19.6 |
| MG03_0.5Ag | 175.2 | 49.3 | 14.7 | 173.9 | 37.8 | 27.5 | 171.2 | 36.6 | 28.6 |
| MG03_1Ag | 173.5 | 43.8 | 16.9 | 173.7 | 39.8 | 18.0 | 170.2 | 37.1 | 25.3 |
Tm–melting temperature. χC–degree of crystallinity. kβ–relative contents of β crystals in the crystalline phase of PP.