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Characteristics of the PLA–PEG block copolymers
| Block copolymer | PLA/PEG ratioa | Mn a (Da) | Mn b (Da) | Mw b (Da) | Mw/Mn b |
|---|---|---|---|---|---|
| PLLA–PEG | 30:70 | 4300 | 3100 | 4600 | 1.45 |
| PDLA–PEG | 32:68 | 6790 | 5200 | 8300 | 1.61 |
aMeasured by nuclear magnetic resonance
bMeasured by gel permeation chromatography
