Table 1.
Molecular Weight and Composition Data for APMA and GPMA Homo- and Copolymers
| polymer | mol % GPMA (theory) | mol % GPMA (exp)a | Mn,th (g/mol)b | Mn,exp (g/mol)c | Mn/Mw | DP | dn/dcd |
|---|---|---|---|---|---|---|---|
| PAPMA | 0 | 0 | 5600 | 6500 | 1.06 | 35 | 0.200 |
| PGT25 | 25 | 30 | 5700 | 7000 | 1.11 | 36 | 0.183 |
| PGT50 | 50 | 44 | 6300 | 7400 | 1.12 | 36 | 0.169 |
| PGT75 | 75 | 67 | 6600 | 8100 | 1.16 | 37 | 0.152 |
| PGT100 | 100 | 100 | 6900 | 9200 | 1.11 | 40 | 0.132 |
Determined by 1H NMR.
Based on 90% conversion of [M]0.
Determined by ASEC-MALLS.
Determined by a Wyatt Optilab DSP interferometric refractometer.