Table 4. Hydrolysis Kinetic Constants (k) of PBCE and P(BCExBPripoly) Copolymers under Accelerated and Physiological Conditions.
|
Accelerated Conditions (70 °C) |
Physiological Conditions (37 °C) |
|||||
|---|---|---|---|---|---|---|
|
until 30
days |
||||||
| k | R2 | k | R2 | k | R2 | |
| Samples | days–1 × 10–3 | days–1 × 10–3 | days–1 x 10–3 | |||
| PBCE | 31 ± 2 | 0.9914 | 0.8 ± 0.2 | 0.8214 | ||
| P(BCE95BPripol5) | 38 ± 3 | 0.9898 | 1.1 ± 0.2 | 0.8555 | ||
| P(BCE85BPripol15) | 37.5 ± 0.5 | 0.9960 | 0.5 ± 0.1 | 0.9065 | ||
| P(BCE75BPripol25) | 40 ± 9 | 0.9138 | 61 ± 2 | 0.9988 | 1.9 ± 0.2 | 0.9065 |
| P(BCE65BPripol35) | 43 ± 12 | 0.8750 | 73 ± 5 | 0.9955 | 2.5 ± 0.5 | 0.8167 |