Compositions of bottlebrush copolymers.
Entry | Copolymer | N (PLA 6.6 k) a | N (PEO 3 kDa) b | N (PNIPAM 5.5 k) b | M n (kg mol−1)b | Đ |
---|---|---|---|---|---|---|
AB | PLA-b-PEG | 7.6 | 43.2 | — | 179 | 1.12 |
ABC | PLA-b-PEG-b-PNIPAM | 7.6 | 43.8 | 8.6 | 229 | 1.25 |
CBA | PNIPAM-b-PEG-b-PLA | 7.6a | 40a | 10a | 225 | 1.35 |
ABC-stat | PLA-co-PEG-co-PNIPAM | 7.6 | 41.4 | 8.2 | 219 | 1.21 |
Assumed quantitative incorporation based on SEC analysis.
Based on 1H NMR peak integrations relative to PLA content.