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|Title:||Molecular transport of alcohols through engineering polymer membranes|
|Authors:||Aminabhavi, Tejraj M|
Khinnavar, Rajashekhar S
|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.|
|ISSN:||0975-0991 (Online); 0971-457X (Print)|
|Appears in Collections:||IJCT Vol.01(3) [May 1994]|
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