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This paper reports the sorption and diffusion characteristics of methanol vapor in polyethylene terephthalate (PET). Amorphous PET, semicrystalline, biaxially oriented annealed and non-annealed samples have been studied for equilibrium sorption and kinetics of methanol. At activities of methanol less than 0.30, uptake shows Fickian kinetics and isotherm follows the Dual Mode model. Diffusion coefficients...
Tertiary ethers have attracted much attention as octane boosters, due to their pollution reduction and excellent blending capabilities. Although much research has been done in the area of pervaporation, not much attention has been given to the separation of organic-organic mixtures with commercially available membranes. In this study, the pervaporation and sorption characteristics of a commercial...
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