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Characteristics of trimethylene carbonate (TMC) and d-lactide (DLA) copolymers used in the study.
| Type of Copolymer | TMC Fraction [mol %] | Conv. [%] |
LDLA a | LTMC a | Mn | Mw | Mw/Mn | |
|---|---|---|---|---|---|---|---|---|
| Feed | Actual | |||||||
| Poly(TMC-b-DLA) | 36 | 36 | 98 | - | - | 19 | 31 | 1.63 |
| Poly(TMC-b-DLA) | 59 | 59 | 99 | - | - | 24 | 47 | 1.96 |
| Poly(TMC-b-DLA) | 81 | 81 | 99 | - | - | 18 | 35 | 1.94 |
| Poly(TMC-rand-DLA) | 59 | 58 | 100 | 13.0 | 6.6 | 18 | 20 | 1.11 |
| Poly(TMC-rand-DLA) | 81 | 81 | 100 | 3.8 | 14.0 | 17 | 19 | 1.12 |
a Average length of the LA and TMC microblocks calculated with 13C NMR [44].
