Table 1 Release constants k and time offsets t0 for the different samples at different temperatures as determined from non-linear regression of the experimental release data with the model presented in Eq. 5.
T [°C] | t0 [min] | k [10−3 min−1] | R² | |
|---|---|---|---|---|
No coating | ||||
amorphous (as-prepared) | 25 | 0.39 ± 0.17 | 320 ± 5 | 0.978 |
amorphous (heated) | 25 | — | 156 ± 5 | 0.985 |
crystalline | 25 | 1.35 ± 0.14 | 38.9 ± 0.9 | 0.998 |
25% EGDMA | 25 | 20.2 ± 1.4 | 2.0 ± 0.1 | 0.995 |
37 | 5.75 ± 0.16 | 5.58 ± 0.04 | 0.988 | |
50 | 3.1 ± 0.5 | 21.5 ± 0.8 | 0.995 | |
50% EGDMA | 25 | — | 0.196 ± 0.002 | 0.995 |
37 | 1.4 ± 0.4 | 0.388 ± 0.006 | 0.995 | |
50 | — | 1.19 ± 0.04 | 0.982 | |
100% EGDMA | 25 | — | 0.030 ± 0.004 | 0.775 |
37 | — | 0.180 ± 0.005 | 0.986 | |
50 | 6.2 ± 1.7 | 3.0 ± 0.2 | 0.932 | |