Table 1. Flux with Respect to the GL Caused by the Activation Time with Argon Plasma of (a) PMAA-Brush-Modified PP Membranes under Different pH Conditions and of (b) PMA–SP Brush-Modified PP Membranes after Visible- or UV-Light Exposure.
| (activation time [min]) | 0 | 0.5 | 1 | 2 | 5 |
|---|---|---|---|---|---|
| grafting level [%] | 0 | 17 ± 6 | 46 ± 10 | 93 ± 21 | 142 ± 27 |
| pH 13, flux [L m–2 h–1] | 308 ± 6 | 94 ± 8 | 68 ± 8 | 47 ± 8 | 55 ± 9 |
| pH 1, flux [L m–2 h–1] | 308 ± 5 | 331 ± 4 | 183 ± 7 | 117 ± 6 | 100 ± 7 |
| pH switch [%] | − | 252 | 168 | 148 | 81 |
| visible light, flux [L m–2 h–1] | 308 ± 5 | 289 ± 8 | 253 ± 7 | 240 ± 6 | 236 ± 6 |
| UV light, flux [L m–2 h–1] | 306 ± 5 | 405 ± 4 | 348 ± 5 | 319 ± 5 | 315 ± 5 |
| light switch [%] | − | 40 | 37 | 33 | 34 |