Table 1.
Chemical composition and molecular weight of polyunsaturated poly(ether carbonate)s 3 a–c and 4.[a]
| Sample | SPolymer [b,c] | CO2 content[c,e] | Composition [mol %] | M n [f] | PDI[f] |
|---|---|---|---|---|---|
| [wt %] | [wt %][b] | m/n/o/p [c,d,e] | [kg mol−1] | [–] | |
| 3 a | 98.2 | 19.1 | 31.8/1.6/1.4/65.2 | 4.7 | 1.3 |
| (23.7) | (42.4/2.1/1.9/53.6) | ||||
| 3 b | 98.3 | 15.9 | 26.1/3.3/2.8/67.8 | 4.5 | 1.8 |
| (19.8) | (34.8/4.4/3.7/57.1) | ||||
| 3 c | 99.1 | 13.1 | 21.8/5.9/5.9/66.4 | 4.0 | 1.3 |
| (16.3) | (29.1/7.9/7.9/55.2) | ||||
| 4 | 99.3 | 14.3 | 24.2/6.0/5.9/63.9 | 4.1 | 1.5 |
| (17.8) | (32.3/8.0/7.9/51.9) |
[a] Reaction conditions: neat, 100 °C, p(CO2)=15 bar, 200 ppm DMC catalyst. [b] SPolymer: Selectivity to polyunsaturated poly(ether carbonate) in weight percent; the only by‐product were traces of cyclic propylene carbonate. [c] Determined by 1H NMR spectroscopy. [d] m=carbonate moiety, n=maleic ester moiety, o=allylether moiety, p=ether moiety. [e] Values in brackets refer to newly formed polymer segments. [f] Determined by gel‐permeation chromatography.