Table 2.
XPS elemental analysis of PVA samples.
| PVA + 0% GA | C (at %) | O (at %) |
|---|---|---|
| untreated | 68 | 32 |
| treated 2 W/cm2, 10 s | 38 | 45 |
| treated 7 W/cm2, 10 s | 30 | 51 |
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