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A novel positively charged asymmetry membranes from poly(2,6-dimethyl-1,4-phenylene oxide) by benzyl bromination and in situ amination: membrane preparation and characterization

✍ Scribed by Beibei Tang; Tongwen Xu; Ming Gong; Weihua Yang


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
297 KB
Volume
248
Category
Article
ISSN
0376-7388

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A novel positively charged asymmetry mem
✍ Beibei Tang; Tongwen Xu; Weihua Yang πŸ“‚ Article πŸ“… 2006 πŸ› Elsevier Science 🌐 English βš– 461 KB

Positively charged membrane with various charged groups were prepared by in situ amination and phase inversion in which the amine-organic solution and bromomethylated poly(2,6-dimethyl-1,4-phenylene oxide) (BPPO) was cast and immerged into an ethanol coagulation bath. The separation performance and

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## Abstract A series of anion exchange membranes with pyridinium groups were prepared by aminating 100% bromomethylated poly(2,6‐dimethyl‐1,4‐phenylene oxide) with 4‐vinylpyridine. These membranes exhibited higher ion exchange capacity, lower water uptake, lower area resistance, and better thermal