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Title: Molecular transport of alcohols through engineering polymer membranes
Authors: Aminabhavi, Tejraj M
Khinnavar, Rajashekhar S
Issue Date: May-1994
Publisher: NISCAIR-CSIR, India
Abstract: Sorption and diffusion of methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-methyl-1-propanol, 1-pentanol and 3-methyl-1-butanol into three engineering polymer membranes have been studied in the temperature interval of 25-60°C. The results have been analyzed in terms of the Fickian diffusion equation. The anomalous transport behaviour of the rubber-alcohol systems is attributed to a leaching out of the polymer additives during solvent immersion. The transport coefficients and activation parameters have been discussed in terms of the polymer-solvent interactions in addition to their effect on the size and shape of the penetrate molecules.
Page(s): 139-145
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.01(3) [May 1994]

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