| Samples | Xc (%) |
| PCL | 53 |
| PCL/NVP 10% w/w | 40 |
| PCL/S7 | 39 |
| PCL/S7/NVP 10% w/w | 36 |
| PCL/SiO2 | 44 |
| PCL/SiO2/NVP 10% w/w | 50 |
| PCL/TiO2 | 42 |
| PCL/TiO2/NVP 10% w/w | 35 |