TABLE 3.
Catalyst precursor, yield, weight-average molecular weight (Mw), and polydispersity index (PDI).
| Polymers | Catalyst precursor | Yield (%) | Mwa(g mol−1) | PD |
|---|---|---|---|---|
| P1 | Pd2(dba)3/L1 | 95 | 24,800b | 1.7 |
| P1 | Pd(PPh3)4 | 93 | 3,000 | 3.2 |
| P2 | Pd2(dba)3/L1 | 97 | 7,900b | 1.4 |
| P2 | Pd(PPh3)4 | 89 | 2000 | 1.5 |
| P3 | Pd2(dba)3/L1 | 92 | 112,000 | 3.5 |
| P3 | Pd(PPh3)4 | 82 | 8,400 | 1.1 |
a
Molecular weight determined by GPC with THF as the eluent, calibrated with polystyrene standards.
b
Molecular weight determined by GPC at 150°C with 1,2,4-trichlorobenzene as the eluent, calibrated with polystyrene standards.