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Colloid and Polymer Science

Erschienen in:

26.10.2020 | Original Contribution

RETRACTED ARTICLE: Synthesis and characterization of a novel sulfonated poly (aryl ether ketone sulfone) containing rigid fluorene group for DMFCs applications

Erschienen in: Colloid and Polymer Science | Ausgabe 1/2021

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Abstract

A new sulfonated poly (aryl ether ketone sulfone) consisting of rigid fluorene groups (SPAEKS) is synthesized from 3, 3′-disulfonate-4, 4′-dichlorodiphenylsulfone, and 9, 9-bis (4-hydroxyphenyl) fluorene by a typical condensation polymerization. The chemical structure of SPAEKS is characterized by ¹H-NMR and FTIR spectra. SPAEKS-x membranes have moderate water absorption, swelling rate, good oxidative stability, and excellent thermal stability. The proton conductivity of SPAEKS-x membranes is in the range of 38.5–66.5 mS/cm. In particular, the proton conductivity of SPAEKS-50 membrane is 66.5 mS/cm, which is slightly higher than Nafion117 membrane (63.5 mS/cm) measured under the same conditions. All membranes show much lower methanol permeability and much higher proton selectivity than Nafion 117 membrane. Especially, proton selectivity of SPAEKS-40 membrane (13.8 × 10⁴ S s cm⁻³) is about 4 times higher than that of Nafion 117 membrane (3.6 × 10⁴ S s cm⁻³).

Vorheriger Artikel Synthesis of polymeric surfactant from palm oil methyl ester for enhanced oil recovery application

Nächster Artikel Miscibility, morphology, and properties of poly(butylene succinate)/poly(vinyl acetate) blends

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Titel: RETRACTED ARTICLE: Synthesis and characterization of a novel sulfonated poly (aryl ether ketone sulfone) containing rigid fluorene group for DMFCs applications
Publikationsdatum: 26.10.2020
Erschienen in: Colloid and Polymer Science / Ausgabe 1/2021
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI: https://doi.org/10.1007/s00396-020-04774-6

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