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Surface chemical composition (at. %) of the reference foils and foils treated by the two-layer coating: PE-2%CS-CSNP ROS.
| Sample | C | N | O | Na | Si | P |
|---|---|---|---|---|---|---|
| PE-UV/O3 | 80.3 | / | 19.4 | |||
| PP-UV/O3 | 84.9 | / | 15.1 | |||
| PE-2%CS-CSNP ROS | 66.7 | 4.0 | 26.8 | 0.4 | 1.9 | 0.2 |
| PP-2%CS-CSNP ROS | 62.0 | 3.8 | 27.8 | 0.3 | 5.9 | 0.3 |
| Difference (%) PE |
−13.6 | 4.0 | 7.4 | 0.4 | 1.9 | 0.2 |
| PP | −22.9 | 3.8 | 12.7 | 0.3 | 5.9 | 0.3 |
