Table 1 Data for propene oxide (PO)/CO2 ROCOP using the Co(III)M(I/II) catalysts, where PPC is poly(propene carbonate) and PC is propene carbonate
From: Understanding catalytic synergy in dinuclear polymerization catalysts for sustainable polymers
Entry | Catalyst | Time/h | Productivity TONa | Activity TOF/h−1b | Rate coefficient kobs/×10−3 s−1c | Selectivity CO2/%d | Selectivity PPC/%e | PPC Mn [Đ]/g mol−1f |
---|---|---|---|---|---|---|---|---|
1 | Co(III)Ca(II) | 22 | 194 ± 10 | 5 ± 1 | 0.36 ± 0.02 | 93 | 38 ± 4 | 700 [1.17] |
2 | Co(III)Sr(II) | 23 | 889 ± 44 | 23 ± 2 | 1.79 ± 0.14 | 97 | 50 ± 5 | 2100 [1.07] |
3 | Co(III)Ba(II) | 21 | 856 ± 43 | 30 ± 2 | 2.36 ± 0.17 | 97 | 61 ± 6 | 2500 [1.11] |
450 | Co(III)Na(I) | 5 | 600 ± 30 | 104 ± 8 | 7.52 ± 0.60 | >99 | 79 ± 2 | 2300 [1.08] |
550 | Co(III)K(I) | 4 | 1360 ± 68 | 528 ± 42 | 38.20 ± 3.06 | >99 | 98 ± 2 | 5900 [1.10] |
650 | Co(III)Rb(I) | 23 | 1240 ± 62 | 88 ± 7 | 6.37 ± 0.51 | >99 | 91 ± 3 | 6500 [1.07] |
750 | Co(III)Cs(I) | 23 | 1080 ± 54 | 88 ± 7 | 6.34 ± 0.51 | >99 | 84 ± 3 | 5600 [1.08] |