2011
DOI: 10.1016/j.memsci.2011.01.056
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Mixed-gas CO2/CH4 and CO2/N2 separation with sulfonated PEEK membranes

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Cited by 87 publications
(57 citation statements)
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References 33 publications
(41 reference statements)
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“…S-PEEK, on the other hand, does not show any sign of plasticization until 40 bar. The incorporation of ionic groups in the polymer imparts antiplasticization properties to the polymer [11]. S30 and S50 show comparatively better anti-plasticization characteristics than pure Matrimid by shifting the plasticization pressure to 20 and 32 bar respectively.…”
Section: Mixed Gas Permeations and Co 2 Plasticizationmentioning
confidence: 99%
See 1 more Smart Citation
“…S-PEEK, on the other hand, does not show any sign of plasticization until 40 bar. The incorporation of ionic groups in the polymer imparts antiplasticization properties to the polymer [11]. S30 and S50 show comparatively better anti-plasticization characteristics than pure Matrimid by shifting the plasticization pressure to 20 and 32 bar respectively.…”
Section: Mixed Gas Permeations and Co 2 Plasticizationmentioning
confidence: 99%
“…In a recent study, our research group investigated the gas separation properties of S-PEEK prepared by direct polymerization of sulfonated monomers [11]. The membranes showed good separation performance, and the sulfonation of the polymer suppressed the plasticization making it an interesting candidate for gas separation membranes.…”
Section: Introductionmentioning
confidence: 99%
“…PEM fuel cells have operating advantages at higher temperatures. [10,11] Additionally, during membrane preparation high temperature treatments are suggested to remove residual high boiling point solvents after membrane formation, [12] bring the material above its glass transition temperature to remove its thermal history, [4] or to perform temperature-promoted cross-linking. [13,14] Whereas, temperatures up to 200 8C are not uncommon in these procedures, [15] they can have detrimental effects on the integrity of SPEEK.…”
Section: Introductionmentioning
confidence: 99%
“…Membrane performance studies and thermogravimetric analysis on bulk material, in which the sulfonate proton was exchanged by a sodium ion, showed indications of an enhanced thermal stability. [12,15,16,20] Nonetheless, the effect of exchanging the sulfonate proton for a different counter-ion on the thermal processing has hitherto not been fully appreciated and studied systematically for SPEEK films.…”
Section: Introductionmentioning
confidence: 99%
“…The high affinity for water of the negatively charged groups empowers application of SPEEK membranes in dehydration processes [11][12][13][14][15]. Additionally, due to the amorphous structure and high glass transition temperature, SPEEK membranes have been considered good candidates for high-pressure gas separation [16][17][18].…”
Section: Introductionmentioning
confidence: 99%