Table 1.
DSC results for PDLA-PEG-PDLA triblock copolymers with different molecular weights of PEG segments.
| Samples |
Tc,PEG (°C) |
ΔHc,PEG (J/g) | Tm,PEG (°C) | ΔHm,PEG (J/g) | Tc,PDLA(°C) | ΔHc,PDLA (J/g) | Tm,PDLA (°C) | ΔHm,PDLA (J/g) |
|---|---|---|---|---|---|---|---|---|
| PEG2k | 28.8 | 28.8 | 50.3 | 25.8 | — | — | — | — |
| PEG4k |
1.5 31.1 |
10.0 |
34.8 52.2 |
10.1 | 74.4 | 6.6 | 133.6 | 2.7 |
| PEG6k |
11.1 32.8 |
19.3 |
41.3 53.5 |
15.1 | 76.9 | 7.5 | 135.8 | 3.3 |
| PEG8k |
18.4 34.3 |
17.0 |
43.7 54.2 |
13.8 | 82.9 | 10.3 | 135.8 | 10.4 |
PEG with different molecular weights is 2000, 4000, 6000, and 8000, respectively.