Poly(ether imide) membranes modified with charged surface-modifying macromolecule-Its performance characteristics as ultrafiltration membranes
β Scribed by Kanagaraj, Palsamy; Neelakandan, Sivasubramaniyan; Nagendran, Alagumalai
- Book ID
- 125441770
- Publisher
- John Wiley and Sons
- Year
- 2014
- Tongue
- English
- Weight
- 655 KB
- Volume
- 131
- Category
- Article
- ISSN
- 0021-8995
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## Abstract **Summary:** Poly(ether imide) (PEI) membranes were modified with a linear lowβmolecular weight (PETIM\_0.6) and a branched highβmolecular weight poly(ethylene imine) (PETIM\_60). The membrane surfaces became more hydrophilic and the zeta potentials were shifted from negative to positiv
Modification of sulfonated poly(ether ether ketone) (SPEEK) membrane was attempted by blending charged surface modifying macromolecule (cSMM). The modified membrane was tested for direct methanol fuel cell (DMFC) application; i.e. a SPEEK/cSMM blend membrane was compared to a SPEEK membrane and a Na