Table 1.
ATRP of AzTEGMA in TFE with varied monomer concentrations, targeting DPs and polymerization temperatures.
| entry | DP | temperature (°C) | Concentration mol/L | time (h) | a Conversion (%) | b Mn (Da.) | PDI | polymer solubility |
|---|---|---|---|---|---|---|---|---|
| 1 | 100 | 50 | 3 | 1 | 25.10 | 3,900 | 1.15 | soluble |
| 2 | 100 | 50 | 3 | 6 | 69.10 | 4,300 | 1.17 | soluble |
| 3 | 100 | 50 | 3 | 18 | / | / | / | gelled |
| 4 | 50 | 23 | 3 | 5 | 58.80 | 6,300 | 1.17 | soluble |
| 5 | 50 | 23 | 3 | 21 | 79.73 | 8,200 | 1.27 | soluble |
| 6 | 50 | 23 | 2 | 6 | 45.48 | 7,300 | 1.10 | soluble |
| 7 | 100 | 23 | 2 | 31 | 76.15 | 10,100 | 1.13 | soluble |
| 8 | 100 | 34 | 2 | 3 | 76.64 | 11,800 | 1.13 | soluble |
| 9 | 100 | 34 | 2 | 15 | 96.36 | 13,800 | 1.17 | soluble |
a
Monomer conversion as determined by 1H NMR.
b
Mn of the polymers as determined by GPC.