Table 1.
Elemental analysis of zPU additives complexed with metal ions
| Product | Elemental composition (%) | |||||
|---|---|---|---|---|---|---|
| C | H | N | O | S | Metal | |
| SPU | 61.57 | 6.68 | 9.97 | 14.81 | 6.96 | – |
| SPU_Ag | 59.15 | 5.76 | 9.75 | 17.42 | 3.23 | 4.69 |
| SPU_Zn | 57.89 | 5.78 | 9.06 | 19.71 | 4.94 | 2.62 |
| SPU_Cu | 43.80 | 5.42 | 6.83 | 29.25 | 6.91 | 7.79 |
| SPU_Ce | 58.02 | 5.77 | 9.71 | 19.76 | 3.18 | 3.56 |
| SIPU | 58.59 | 6.34 | 8.39 | 19.03 | 7.65 | – |
| SIPU_Ag | 55.41 | 5.68 | 8.43 | 22.07 | 3.08 | 5.34 |
| SIPU_Zn | 56.31 | 5.82 | 8.09 | 23.19 | 3.35 | 3.25 |
| SIPU_Cu | 39.39 | 5.11 | 5.90 | 31.37 | 5.87 | 12.36 |
| SIPU_Ce | 55.48 | 5.67 | 8.98 | 21.24 | 3.54 | 5.09 |