Table 1 Materials and chemicals with purity and molecular structure.
Chemicals | Specification | Structure |
|---|---|---|
Choline chloride | Sigma Aldrich ≥ 99% |
|
Glycerol | Sigma Aldrich ≥ 99% |
|
Polyvinylidene fluoride (PVDF) | Sigma Aldrich Pore size 0.45 µm |
|
Pebax1657 (Polyether block amide) | 60 wt% polyethylene oxide and 40 wt% polyamide Arkema speciality polyamides |
|
Ethanol | Sigma Aldrich purity ≥ 99.9% |
|
