Table 5. Thermal properties for RSC PLGAs.
Precipitate | Annealeda | |||
---|---|---|---|---|
|
|
|||
Polymer | Tg (°C) | Tm (°C) | Tg (°C) | Tm (°C) |
LG | 57b | ND | 49c | ND |
LracG | 55b | ND | 48c | ND |
GLGLR | 50b | ND | --- | --- |
GLG | 50b | ND | 43c | ND |
GLracG | 50b | ND | --- | --- |
LLG | 57b | ND | 50c | 114c |
LRLG | 50b | 154c | --- | --- |
LLRG | 48b | 158c | 48c | 155c |
LLGLL G | 52b | ND | 48c | ND |
LRLGLLG | 52b | ND | 48c | ND |
LLG | 51b | ND | 47c | ND |
LracLG | 51b | ND | 48c | ND |
LLracG | 53b | ND | 48c | ND |
Polymer films were drop-cast into DSC pans, dried under vacuum and annealed at 85°C for 3 h;
Transitions were measured in second heating cycle;
Transitions were measured in the first cycle.