Peng, Guibin published the artcileA two-step strategy for the preparation of anion-exchange membranes based on poly(vinylidenefluoride-co-hexafluoropropylene) for electrodialysis desalination, Related Products of amides-buliding-blocks, the publication is Polymer (2021), 123508, database is CAplus.
The development of a facile approach to fabricate anion exchange membranes (AEMs) with efficient ionic transport and desirable stabilities (mech. and dimensional) for various applications is meaningful. In this work, a two-step strategy for the preparation of AEMs with 3D network structure, via crosslinking reaction between 2-chloroacetamide (CAA) modified poly (vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) and N,N,N’,N’-tetramethyl-1,4-diaminobutane (TMDAB) has been reported. The as-prepared AEMs with ion-exchange capacity (IEC) in the range of 1.38-1.84 mmol g-1, exhibit the much lower water uptake (13.14-22.45%, 80°C) relative to the un-crosslinked AEM (35.89%, 80°C). In addition, due to the presence of fluorine-based 3D network structure, the as-prepared AEMs show much enhanced mech. and thermal stability in comparison with the un-crosslinked AEM. In the electrodialysis (ED) application, the optimized AEM shows the higher current efficiency (78.6%) and lower energy consumption (2.01 kWh kg-1 NaCl) than those of com. AEM AEM-Type II (76.4%; 2.26 kWh kg-1), resp., within 150 min of operation interval. The proposed facile fabrication protocol and the better-performance of optimized PVDF-HFP -based AEM demonstrate the potential ED application.
Polymer published new progress about 79-07-2. 79-07-2 belongs to amides-buliding-blocks, auxiliary class Chloride,Amine,Aliphatic hydrocarbon chain,Amide,Inhibitor, name is 2-Chloroacetamide, and the molecular formula is C2H4ClNO, Related Products of amides-buliding-blocks.
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