Polymerization of OTP at various monomer (M) to initiator (I) ratios and with various initiators.
| Entry | Initiator | Target [M]/[I] | Time | Conversion (%)a | M n,target. (kDa) | M n,SEC (kDa) | PDI |
|---|---|---|---|---|---|---|---|
| P1 | BnOH | 20 | 18 | >99 | 3.11 | 3.08b | 1.07b |
| P2 | BnOH | 40 | 24 | >99 | 6.12 | 5.71b | 1.05b |
| P3 | BnOH | 80 | 48 | >99 | 12.1 | 11.2b | 1.05b |
| P4 | BnOH | 120 | 72 | >99 | 18.1 | 17.0b | 1.04b |
| P5 | BnOH | 180 | 96 | 99 | 21.7 | 22.6b | 1.03b |
| P6 | Propargyl alcohol | 50 | 32 | >99 | 7.57 | 7.82b | 1.05b |
| P7 | 2-Propanol | 50 | 32 | >99 | 7.57 | 8.79b | 1.05b |
| P8 | mPEO-OH (1 kDa) | 50 | 32 | >99 | 8.51 | 9.22c | 1.05c |
| P9 | mPEO-OH (2 kDa) | 80 | 48 | >99 | 14.0 | 13.1c | 1.04c |
a
Determined by 1H NMR spectra.
b
Determined by size exclusion chromatography (SEC), with chloroform as the eluent, calibrated with polystyrene (PS) standards.
c
Determined by SEC, with tetrahydrofuran as the eluent, calibrated with PS standards.