Polyethersulfone (PES) Membranes for CO2/CH4 Separation: Effect of Polymer Blending

Hafiz Abdul Mannan; Hilmi Mukhtar; Thanabalan Murugesan

doi:10.4028/www.scientific.net/AMM.625.172

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 625Polyethersulfone (PES) Membranes for CO2/CH4...

Polyethersulfone (PES) Membranes for CO₂/CH₄ Separation: Effect of Polymer Blending

Abstract:

Effect of polymer blending on physico-chemical and gas permeation properties of polyethersulfone (PES) membrane was studied. PES was chosen as base polymer and polysulfone (PSF) and polyvinyl acetate (PVAc) were added as glassy and rubbery polymer additives respectively. The morphology, thermal stability and miscibility of PES membranes were characterized by FESEM, TGA and DSC respectively to observe the effect of polymer blending. The prepared membranes were tested for permeation of CO₂ and CH₄ at a feed pressure of 2 to 10 bar. PES-PSF membrane exhibits the separation properties identical to PES membrane. PES-PVAc blend membrane was found to be immiscible and high permeability was achieved while the selectivity was lost.

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Periodical:

Applied Mechanics and Materials (Volume 625)

Pages:

172-175

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.625.172

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Online since:

September 2014

Authors:

Hafiz Abdul Mannan, Hilmi Mukhtar*, Thanabalan Murugesan

Keywords:

CO₂ Separation, Glassy Polymer Blend, Glassy-Rubbery Polymer Blend, Phase Behavior, Polyethersulfone Membrane

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