Free volume
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Correlations between positron annihilation lifetime spectroscopy (PALS) measurement and diffusivities in polymer solutions were established, with the help of the Simha–Somcynsky (SS) equation-of-state (EOS) and the free-volume theory. Mean hole volume probed by PALS was employed to predict the free
Desalination 234 (2008)
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experimental data pertinent to the free volume approach are presented. The positron lifetime measurements performed on vinyl polymers showed that the free volume of the amorphous phase varied with the pendant group change. The transport phenomena depend on both the free volume and the mobility of th
Desalination 163 (2004)
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