Table 3. Hydrolytic Degradation of Poly(1-co-MMA).
| entry | F1b | base | solvent | final Mn,SEC [ĐM]c | % Mn changed |
|---|---|---|---|---|---|
| 1 | 0 | NaOH | H2O | 77.1 [1.83] | 0 |
| 2 | 0 | NaOH | MeOH | 76.7 [1.83] | 0 |
| 3 | 0.16 | NaOH | H2O | 19.9 [1.72] | 18 |
| 4 | 0.16 | NaOH | MeOH | 16.2 [2.72] | 34 |
| 5 | 0.16 | KOH | MeOH | 12.1 [1.76] | 50 |
| 6 | 0.33 | NaOH | H2O | 6.3 [2.31] | 50 |
| 7 | 0.33 | NaOH | MeOH | 3.0 [1.67] | 78 |
| 8 | 0.33 | KOH | MeOH | 1.3 [1.88] | 90 |
Degradations were performed for 4 h at room temperature.
Molar fraction of 1 incorporated into poly(1-co-MMA).
Number-average molar mass and dispersity (Mn,SEC, ĐM), calculated by SEC relative to polystyrene standards in THF eluent, units given in kg mol–1.
Percentage variation compared to the (co)-polymer original Mn,SEC.
