The gas separation properties of free- standing film of polyaniline (PANI) for gas pairs of He/N2
H
2
/N
2
. CO
2
/N
2
and CO
2
/CH
4
at room temperature were measured as a function of the protonation state. Variation of the gas permeabilities coefficient of PANI with an insulator to metal transition upon the protonation processes was observed
which might be due to a change in both gas solubility coefficient and diffusion coefficient with the protonation state.
Abstract
The gas separation properties of free- standing film of polyaniline (PANI) for gas pairs of He/N2
H
2
/N
2
. CO
2
/N
2
and CO
2
/CH
4
at room temperature were measured as a function of the protonation state. Variation of the gas permeabilities coefficient of PANI with an insulator to metal transition upon the protonation processes was observed
which might be due to a change in both gas solubility coefficient and diffusion coefficient with the protonation state.
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