Research Article
Fabrication of PES/PVP Water Filtration Membranes Using Cyrene®, a Safer Bio-Based Polar Aprotic Solvent
Table 1
Hansen Solubility Parameters [MPa0.5] of different solvents and RED calculated for PES polymer.
| | Solvent | δD | δP | δH | Score | RED |
| | Cyrene® | 18.9 | 12.4 | 7.1 | 1 | 0.468 | | N-Methyl-2-Pyrrolidone | 18 | 12.3 | 7.2 | 1 | 0.64 | | N,N-Dimethyl Acetamide | 16.8 | 11.5 | 9.4 | 1 | 0.934 | | Dimethyl Sulfoxide | 18.4 | 16.4 | 10.2 | 1 | 0.998 | | Dimethyl Formamide | 17.4 | 13.7 | 11.3 | 1 | 1.008 | | 1,1-Dichloroethane | 16.5 | 7.8 | 3 | 1 | 1.041 |
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