TABLE I. Percent Surface Functional Groups of the Plasma Polymerized Vinylacetic Acid Films Deposited Under Pulsed (2/30 and 10/30) and CW Plasma Conditions.
Plasma Conditions | Avg. Power Input (W) | O/C Ratio | C—C, C—H 284.6 eV | C—COOH 285.3 eV | C—OH, C—O—C 286.3 eV | C=O 287.5 eV | COOH 288.9 eV |
---|---|---|---|---|---|---|---|
2/30 | 9.4 | 0.24 | 70.2 | 9.0 | 8.5 | 3.3 | 9.0 |
10/30 | 37.5 | 0.22 | 71.2 | 6.2 | 10.8 | 5.6 | 6.2 |
CW | 150 | 0.19 | 72.6 | 3.6 | 13.6 | 6.6 | 3.6 |