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Manufacture and characterisation of polyetherimide/sulfonated poly(ether ether ketone) blend membranes

โœ Scribed by W. Richard Bowen; Shu Ying Cheng; Teodora A. Doneva; Darren L. Oatley


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
429 KB
Volume
250
Category
Article
ISSN
0376-7388

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The influence of blending with polyetherimide (PEI) and doping with HCl and H 3 PO 4 on the properties of sulfonated polyether ether ketone (SPEEK) was studied. Blending with PEI first results in an increase and then in a decrease in membrane swelling at PEI concentrations greater than 5%. The elect

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Poly(ether ketone ketone) was sulfonated using fumic sulfuric acid and used for preparation of proton conductive membranes. The sulfonation degree was evaluated by elemental and thermal analysis and the IEC values were determined by titration. The proton conductivity of membranes with sulfonation de