Table 2 The copolymerization of COS with various epoxides by using various TU/LB pairs
Entrya | Epoxide | TU/LB | Epoxide: LB: TU-1 | TOF (h–1)b | Copolymer selectivityc | Alternating degree (%)c | T–H diad content (%)d | O/S ER productd | Mn (kg/mol)e | PDIe |
|---|---|---|---|---|---|---|---|---|---|---|
1 | PO | TU-2/DBU | 500:1:1 | 6 | 97/3 | 100 | >99 | N.F. | 21.9 | 1.15 |
2 | PO | TU-3/DBU | 500:1:1 | 10 | 93/7 | 100 | >99 | N.F. | 21.9 | 1.18 |
3 | PO | TU-2/P2 | 1000:1:1 | 29 | 98/2 | 100 | >99 | N.F. | 19.8 | 1.10 |
4 | PO | TU-3/P2 | 1000:1:1 | 29 | 96/4 | 100 | >99 | N.F. | 32.2 | 1.20 |
5 | PGE | TU-1/P2 | 1000:1:1 | 22 | 96/4 | 100 | >99 | N.F. | 29.3 | 1.26 |
6 | PGE | TU-1/P4 | 4000:1:1 | 52 | 96/4 | 100 | >99 | N.F. | 17.5 | 1.18 |
7f | CHO | TU-1/P2 | 250:1:1 | 2 | >99 | 100 | — | N.F. | 15.8 | 1.19 |
8f | CHO | TU-1/P4 | 250:1:1 | 5 | >99 | 100 | — | N.F. | 13.4 | 1.16 |
