Molecular weights, degrees of polymerization and polydispersity indices of the oligomers measured by GPC.
| M w (g mol−1) | M n (g mol−1) | DPa | PDIb | |
|---|---|---|---|---|
| PAM-I | 9100 | 4800 | 5 | 1.90 |
| PAM-II | 6000 | 4200 | 4 | 1.42 |
| PAM-III | 4900 | 4000 | 4 | 1.23 |
| PAM-IV | 4900 | 3600 | 3 | 1.36 |
Approximate degree of polymerization: Mn/molecular weight of repetitive unit.
Polydispersity index: Mw/Mn.