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IJCT Vol.12(1) [January 2005] >


Title: Assessment of thickness-dependent gas permeability of polymer membranes
Authors: Islam, M A
Buschatz, H
Keywords: Membrane thickness
gas permeabiliy
Fick’s law
diffusion equation
sorption-desorption rates
Issue Date: Jan-2005
Publisher: CSIR
IPC CodeB01D 71/00; G01N 15/00
Abstract: Morphological changes with thickness, and the subsequent effect on the membrane permeability have been discussed qualitatively. It is concluded that some morphological elements favor transport and some hinder. Flux models based on interface reaction have been successfully applied to describe quantitatively the thickness-dependence of the membrane-permeability and the model parameters (diffusion transport coefficient, surface reaction constants) evaluated.
Page(s): 88-93
ISSN: 0975-0991 (Online); 0971-457X (Print)
Source:IJCT Vol.12(1) [January 2005]

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