Table 3.
Characteristics of the PE layers analysed with the QCM-D measurements.
| PE Layer | Thickness [nm] |
Areal Mass [µg/cm2] |
Viscosity [g/ms2] |
Zeta Potential [mV] |
|
|---|---|---|---|---|---|
| CHIT system | CHIT | 17.9 ± 2.2 | 1.9 ± 0.2 | 2.5 ± 0.4 | 41 ± 5.1 |
| PAA | 9.6 ± 3.0 | 1.0 ± 0.3 | 6.1 ± 0.9 | −17.3 ± 1.0 | |
| PAA-C(O)O-(CH2)6-N+(CH3)3-8% | 10.6 ± 0.1 | 1.1 ± 0.1 | 7.9 ± 1.8 | −31 ± 5 | |
| PAA-C(O)O-(CH2)6-N+(CH3)3-10% | 13.3 ± 0.5 | 1.3 ± 0.1 | 4.9 ± 2.1 | −27 ± 1.1 | |
| PAA-C(O)O-(CH2)12-N+(CH3)3-8% | 15.7 ± 3.9 | 1.7 ± 0.4 | 7.3 ± 1.0 | −32.5 ± 2.0 | |
| PAA-C(O)O-(CH2)12-N+(CH3)3-14% | 15.1 ± 1.7 | 1.6 ± 0.2 | 7.1 ± 2.7 | −36 ± 2.5 | |
| PAH system | PAH | 22.8 ± 3.4 | 2.8 ± 0.6 | 2.1 ± 0.5 | 36 ± 2.8 |
| PAA | 13.2 ± 2.5 | 1.3 ± 0.7 | 3.4 ± 0.4 | −17.3 ± 1.0 | |
| PAA-C(O)O-(CH2)6-N+(CH3)3-8% | 14.7 ± 1.3 | 1.5 ± 0.2 | 4.9 ± 0.6 | −31 ± 5 | |
| PAA-C(O)O-(CH2)6-N+(CH3)3-10% | 16.7 ± 1.7 | 1.8 ± 0.3 | 5.4 ± 1.6 | −26.7 ± 1.1 | |
| PAA-C(O)O-(CH2)12-N+(CH3)3-8% | 20.5 ± 3.5 | 2.1 ± 0.4 | 3.2 ± 0.6 | −33 ± 1.7 | |
| PAA-C(O)O-(CH2)12-N+(CH3)3-14% | 18.9 ± 4.0 | 1.9 ± 0.6 | 3.1 ± 0.9 | −36 ± 2.4 |