Table 1. Molecular Weight Distribution of AL-S, alkAL-S, and Different Fractions Separated from the Three UF Membranes by GPC.
| functional
group content |
|||||
|---|---|---|---|---|---|
| samples | Mw (Da) | Mn (Da) | PDI | -OH (mmol/g) | SO3 (mmol/g) |
| AL-S | 5400 | 2600 | 2.08 | 2.21 | 1.81 |
| alkAL-S | 61,200 | 19,800 | 3.09 | 0.51 | 1.62 |
| Fraction-1 | 5800 | 3900 | 1.49 | 1.12 | 1.87 |
| Fraction-2 | 43,600 | 28,800 | 1.51 | 0.62 | 1.72 |
| Fraction-3 | 152,000 | 83,900 | 1.81 | 0.11 | 1.51 |