Table 5. Degradation studies of hydrophilic copolymers (hydrolysis in 5 % aq. KOH).
Sample | Time, h | M̄n | M̄w/M̄n |
---|---|---|---|
| |||
p(OEOA480)-r-p(MPDL) | 0 | 15 500 | 2.27 |
20 | 4 620 | 1.40 | |
48 | 4 610 | 1.34 | |
| |||
p(OEOMA500)-r-p(MPDL) | 0 | 35 200 | 2.75 |
20 | 8 540 | 1.86 | |
48 | 7 780 | 1.97 |